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Journal articles on the topic 'LC_MS'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Song, Wen Qing, Wen Ji Xu, Xu Yue Wang, J. B. Meng, and Ji Shang Jiang. "Investigation of the Transient Deformation in the Flexible Forming of Laminated Composite Metal Sheets Using Plasma Arc." Materials Science Forum 626-627 (August 2009): 315–20. http://dx.doi.org/10.4028/www.scientific.net/msf.626-627.315.

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A three-layer FEM model, based on the characteristics along the thickness direction of laminated composite metal sheets (LCMS), was developed to study the variation rules of transient deformation in the flexible forming of LCMS using plasma arc. Besides, the comparisons of the typical LCMS Q235A/1Cr13 and single layer metal sheet (SLMS) Q235A were performed. It indicates that the displacement of end point of SLMS is 0.076 mm larger than that of LCMS with the same process parameters. Moreover, the differences of X-axis plastic strain, Z-axis plastic strain along the thickness direction of LCMS

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Su, Huijun, Shaobo Shi, Ming Zhu, et al. "Persistent, bioaccumulative, and toxic properties of liquid crystal monomers and their detection in indoor residential dust." Proceedings of the National Academy of Sciences 116, no. 52 (2019): 26450–58. http://dx.doi.org/10.1073/pnas.1915322116.

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Liquid crystal monomers (LCMs) are used widely in liquid crystal displays (LCDs), which are dramatically changing the world due to the provision of convenient communication. However, there are essentially no published reports on the fate and/or effects of LCMs in the environment. Of 362 currently produced LCMs, 87 were identified as persistent and bioaccumulative (P&B) chemicals, which indicated that these chemicals would exhibit resistance to degradation and exhibit mobility after entering the environment. Following exposure to mixtures of LCM collected from 6 LCD devices, significant mod

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Song, Wen Qing, Jing Fu Chai, and Wen Ji Xu. "FEM Modeling and Validation of the Temperature Field in the Plasma Arc Bending of Laminated Clad Metal Sheets." Advanced Materials Research 602-604 (December 2012): 468–71. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.468.

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Plasma arc bending of laminated clad metal sheets (LCMS) is a newly developed technique that produces deformation in the LCMS by thermal stress instead of external mechanical force. Since the temperature field leads to the thermal stress, a FEM mode was developed to study the temperature variations in the plasma arc bending of the LCMS which was validated robustness by the experiments. The results show that the temperature variations of the LCMS include the preheating, temperature dramatically changing and cooling stages. The lowest temperature is in the inlet whereas the highest temperature i

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4

Derman, Benjamin Avi, Andrew T. Stefka, Amanda McIver, et al. "Measurable residual disease (MRD) assessed by mass spectrometry (MS) in peripheral blood versus next generation sequencing (NGS) in bone marrow in multiple myeloma treated on phase II trial of KRd+ASCT." Journal of Clinical Oncology 38, no. 15_suppl (2020): 8513. http://dx.doi.org/10.1200/jco.2020.38.15_suppl.8513.

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8513 Background: MRD-negativity in multiple myeloma (MM) assessed by NGS in bone marrow (BM) aspirate is associated with longer progression free survival (PFS) and overall survival. MS can detect monoclonal protein at a heightened sensitivity in peripheral blood (PB). We sought to assess the concordance of MS in PB and NGS in BM, comparing outcomes by MRD status. Methods: MRD was tested on paired PB and BM samples from transplant (ASCT)-eligible pts with newly diagnosed secretory MM who received treatment on a phase II clinical trial (NCT01816971) with KRd for 4 cycles, ASCT, KRd for 14 cycles

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Wiessner, Reiko, R. Lorenz, A. Gehring, et al. "Alterations in the mechanical, chemical and biocompatibility properties of low-cost polyethylene and polyester meshes after steam sterilization." Hernia 24, no. 6 (2020): 1345–59. http://dx.doi.org/10.1007/s10029-020-02272-w.

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Abstract Introduction In Africa and other Low Resource Settings (LRS), the guideline-based and thus in most cases mesh-based treatment of inguinal hernias is only feasible to a very limited extent. This has led to an increased use of low cost meshes (LCMs, mostly mosquito meshes) for patients in LRS. Most of the LCMs used are made of polyethylene or polyester, which must be sterilized before use. The aim of our investigations was to determine changes in the biocompatibility of fibroblasts as well as mechanical and chemical properties of LCMs after steam sterilization. Material and methods Two

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Chou, Wai-Houng, Ariel Galaz, Miguel O. Jara, Alexander Gamboa, and Javier O. Morales. "Drug-Loaded Lipid-Core Micelles in Mucoadhesive Films as a Novel Dosage Form for Buccal Administration of Poorly Water-Soluble and Biological Drugs." Pharmaceutics 12, no. 12 (2020): 1168. http://dx.doi.org/10.3390/pharmaceutics12121168.

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The aim of the study was to develop a novel buccal dosage form to transport rhodamine 123 and human insulin as models for poorly water-soluble and biological drugs, using lipid-core micelles (LCMs)-loaded mucoadhesive films. LCMs were synthesized by a low-energy hot emulsification process, yielding spherically shaped, small-sized, monodispersed and negatively charged carriers with high entrapment efficiency. In vitro release studies demonstrated a higher release of insulin rather than rhodamine from LCMs in simulated physiological conditions, due to an initial burst release effect; however, bo

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Wang, Xiaoyuan, Pengju Han, Xiaoqiang Dong, et al. "Influences of High-Sulphur Fly Ash on the Properties of Lightweight Cement-Treated Materials Subjected to Sulphate Corrosion." Applied Sciences 10, no. 15 (2020): 5217. http://dx.doi.org/10.3390/app10155217.

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In this study, the effects of high-sulphur fly ash on the properties of lightweight cement-treated materials (LCMs) immersed in sodium sulphate solutions were studied. The unconfined compressive strength of LCMs corroded by sulphate was tested. The microscopic properties were characterised by X-ray diffraction (XRD), electrochemical impedance spectroscopy (EIS), and scanning electron microscopy (SEM). The results show that high-sulphur fly ash has an adverse effect on the structural strength of LCMs after corrosion, but when the content of fly ash is less than 75%, the effect of fly ash on the

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8

Gong, Bengang, Xiaoqi Zhang, Dandan Guo, and Yunmiao Gui. "Fuzzy Evidential Reasoning Approach for LCMS Competitiveness Evaluation under Incomplete Information." Mathematical Problems in Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/949232.

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In order to evaluate scientifically low carbon manufacturing system (LCMS) competitiveness under incomplete information, this paper, using fuzzy mathematics theory and evidential reasoning approach, proposes an evaluation method. Firstly, through fuzzy evaluation the influence factors of LCMS competitiveness are characterized by a set of evaluation grades. Secondly, the analytical evidential theory algorithms are used to aggregate the evaluation grades of multiple influence factors, and the assessed values of LCMS competitiveness are obtained under each evaluation index and the system overall

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Gelber, Pablo E., Àngel Masferrer, Juan I. Erquicia, Ferran Abat, Xavier Pelfort, and Juan Carlos Monllau. "Right angle to make posteromedial corner tunnels with concomitant posterior cruciate ligament reconstruction. CT evaluation in a cadaveric model." Orthopaedic Journal of Sports Medicine 2, no. 12_suppl4 (2014): 2325967114S0025. http://dx.doi.org/10.1177/2325967114s00254.

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Introduction: The surface medial collateral ligament (LCMs) and the posterior oblique ligament (POL) are sometimes concomitantly reconstructed with the posterior cruciate ligament (PCL). The objective was to determine the most appropriate angle of the femoral tunnel. Material and Methods: 8 cadaveric knees. Bifascicular LCP tunneling performed arthroscopically. Tunnels LCMs and LOP at 0 ° and 30 ° in axial / coronal planes (0A / 30A // 0C / 0C). Were studied by CT and valued intercondylar relationship, PCL ,and tunnels. A 25mm tunnel was the least considered sufficient Results: The LCMs tunnel

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10

Barcellos, DC, MT Palazon, CR Pucci, LH Aizawa, and SEP Gonçalves. "Influence of Different Surface Treatments on Bond Strength of Resin Composite Using the Intrinsic Characterization Technique." Operative Dentistry 38, no. 6 (2012): 635–43. http://dx.doi.org/10.2341/12-204-l.

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SUMMARY Objective: This study evaluated the influence of different surface treatments on the resin bond strength/light-cured characterizing materials (LCCMs), using the intrinsic characterization technique. The intrinsic technique is characterized by the use of LCCMs between the increments of resin composite (resin/thin film of LCCM/external layer of resin covering the LCCM). Materials and Methods: Using a silicone matrix, 240 blocks of composite (Z350/3M ESPE) were fabricated. The surfaces received different surface treatments, totaling four groups (n=60): Group C (control group), no surface

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11

Xu, Wen Ji, Ji Shang Jiang, Xu Yue Wang, and Wen Qing Song. "Temperature Field Model in Plasma Arc Forming of Laminated Clad Metal Sheets Containing Defects." Advanced Materials Research 97-101 (March 2010): 4160–63. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.4160.

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A FEM model, based on the structural characteristics of laminated clad metal sheets (LCMS) containing defects, was developed to study the variations of temperature field in the flexible forming using plasma arc. The typical LCMS Q235A/1Cr18Ni9Ti was selected as the sample, and the effects of different defects in the bonding interface on the temperature field were analyzed. The results show that the peak value of temperature containing defect is 107 oC higher than that without defect under the same processing parameters. The peak values of temperature and temperature difference increase with th

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12

Alfano, Brigida, Luigi Barretta, Antonio Del Giudice, et al. "A Review of Low-Cost Particulate Matter Sensors from the Developers’ Perspectives." Sensors 20, no. 23 (2020): 6819. http://dx.doi.org/10.3390/s20236819.

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The concerns related to particulate matter’s health effects alongside the increasing demands from citizens for more participatory, timely, and diffused air quality monitoring actions have resulted in increasing scientific and industrial interest in low-cost particulate matter sensors (LCPMS). In the present paper, we discuss 50 LCPMS models, a number that is particularly meaningful when compared to the much smaller number of models described in other recent reviews on the same topic. After illustrating the basic definitions related to particulate matter (PM) and its measurements according to i

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13

Bellifa, Soufyane, and Nadir Boumechra. "Effects of calcium leaching on the physical and mechanical properties of aerial lime-cement mortars." Journal of Engineering, Design and Technology 17, no. 3 (2019): 649–66. http://dx.doi.org/10.1108/jedt-11-2018-0199.

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Purpose This paper aims to assess the effects of chemically accelerated leaching on the physical and mechanical properties of aerial lime–cement mortars (LCMs). Design/methodology/approach Two aerial LCMs, differencing mainly in their calcium hydroxide content, were degraded by the use of an ammonium nitrate solution as a leaching agent. The leaching effects were studied by evaluating the rate of change in physical (sorptivity and mass loss) and mechanical (flexural and compressive strength) characteristics of aerial LCMs. To quantify the evolution and kinetics of degradation, the leached dept

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14

Mintii, Iryna S., Olga V. Bondarenko, Svitlana V. Shokaliuk, Kateryna V. Polhun та Mykhailo M. Mintii. "Аnalysis of the use of LCMS Moodle in the educational process of KrSPU". Освітній вимір 55 (10 грудня 2020): 368–83. http://dx.doi.org/10.31812/educdim.v55i0.4366.

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У статті проаналізовано досвід використання системи управління навчанням (learning management system – LCMS) Moodle в освітньому процесі КДПУ за результатами опитування, що проводилося на початку березня 2020 р. та організаційно-методичної підтримки семестрового дистанційного навчання і літньої заліково-екзаменаційної сесії 2019-2020 навчального року. З’ясовано, що частіше методичної допомоги потребують викладачі віком до 30 (зокрема, з досвідом роботи у ЗВО до 3 років) або старше 60 років. Передовсім у розроблених курсах подано цифрові освітні ресурси (ЦОР) у текстовому форматі, відео та ауді

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15

Robinson, Ellen, Xiaowen Cui, Hiroko K. Warshauer, and Christina Koehne. "Collaboratively Engaging with GCFs and LCMs." Mathematics Teaching in the Middle School 24, no. 1 (2018): 53–58. http://dx.doi.org/10.5951/mathteacmiddscho.24.1.0053.

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Collaborative engagement provides an opportunity for students to construct and solidify their own knowledge and understanding of important mathematical ideas. According to Van de Walle, Karp, and Bay-Williams, “learning is enhanced when the learner is engaged with others working on the same idea” (2015, p. 52). In allowing students to work with their peers to practice problems and construct important mathematical connections, the students build on their combined prior knowledge to formulate newfound ideas and conjectures. We recognize that grouping students so that each group will function in

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16

Ray, Katrina. "LCMs and the liver: additional surveillance." Nature Reviews Gastroenterology & Hepatology 14, no. 11 (2017): 631. http://dx.doi.org/10.1038/nrgastro.2017.127.

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Ferreira, Sérgio André, and António Andrade. "Desenhar e implementar um sistema de learning analytics no ensino superior." Gestão e Desenvolvimento, no. 21 (January 1, 2013): 123–46. http://dx.doi.org/10.7559/gestaoedesenvolvimento.2013.244.

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A utilização de plataformas tecnológicas com base de funcionamento online, com destaque para os Learning Content Management System(LCMS), tem ganho uma importância crescente nas Instituições de Ensino Superior (IES). Da atividade dos alunos e professores nestas plataformas resulta um imenso trilho de cliques, que se traduz no registo de um enorme volume de dados – Big Data – no sistema. A ideia do Learning Analytics (LA) é simples e tem associado um potencial transformativo muito elevado: o aproveitamento destes dados permite um processo de tomada de decisão mais informada, abrindo as portas a

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18

Van Den Eynde, Marc, Bernhard Mlecnik, Jean-Pascal H. Machiels, et al. "Preoperative treatment to modify the immune microenvironnement of liver colorectal metastases." Journal of Clinical Oncology 33, no. 3_suppl (2015): 602. http://dx.doi.org/10.1200/jco.2015.33.3_suppl.602.

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602 Background: We previously reported that an adaptive Th1 immune response (CD3/CD8/CD45RO T-cells) observed in resected primary colorectal tumor and liver colorectal metastases (LCM) is an important prognostic factor. B and FoxP3 regulatory lymphocytes participate to the modulation of this response. We aimed to investigate whether the preoperative treatments influenced the quality and the density of the immune infiltrates previously reported in the LCM. Methods: We used a cohort of metastatic colorectal patients (n=107) engaged for curative liver surgery with available FFPE blocks for all re

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Montenegro Marín, Carlos E., Elvis E. Gaona García, and Paulo A. Gaona García. "Plataforma de seguridad basado en autenticidad de contenidos sobre conjunto de especificaciones SCORM." INGENIERÍA Y COMPETITIVIDAD 12, no. 2 (2011): 51–68. http://dx.doi.org/10.25100/iyc.v12i2.2693.

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Los mecanismos que se presentan en la mayoría de plataformas Learning Content Management Systems, (LCMS), no permiten evaluar el concepto de “autenticidad” en contenidos que se comparten en cada una de ellas con un buen grado de aceptación, por lo tanto, el siguiente artículo tiene como finalidad plantear un Modelo de seguridad informático sobre plataformas de aprendizaje virtual LCMS, mediante sus contenidos a través de las especificaciones dadas por Sharable Content Object Reference (SCORM), lo cual permita garantizar la autenticidad de contenidos mediante conceptos de firmas digitales e ide

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Behera, Prakash Chandra, Somanjoli Mohapatra, and Chinmaya Dash. "Comparative Study on LCMS, LMS and CMS." International Journal of Information Science and Computing 4, no. 2 (2017): 79. http://dx.doi.org/10.5958/2454-9533.2017.00008.4.

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HIRAYAMA, Shuji, Takanori MATSUDA, and Yoshiya IZUMI. "Analysis of Triacylglycerol by Frit-FAB/LCMS." CHROMATOGRAPHY 36, no. 3 (2015): 133–38. http://dx.doi.org/10.15583/jpchrom.2015.024.

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Franchuk, Vasyl M., та Pavlo V. Mykytenko. "ВИКОРИСТАННЯ OPEN SOURCE PHYSICS У LCMS MOODLE". Information Technologies and Learning Tools 45, № 1 (2015): 156. http://dx.doi.org/10.33407/itlt.v45i1.1187.

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While designing and development of e-learning courses the LCMS MOODLE standard elements are deficient. This may be due to the fact that sometimes it is impossible to conduct demonstration experiments of physical phenomena or processes in the existing conditions of the institution, especially for laboratory work when you want to simulate a particular process without actually having physical devices and equipment. A teacher can use standard components (modules activity) to build the course in LCMS MOODLE. In case the teacher has not enough standard modules for students training activities, inclu

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23

Austin, Jathan. "A Curious Result for GCDs and LCMs." Mathematics Magazine 89, no. 3 (2016): 190. http://dx.doi.org/10.4169/math.mag.89.3.190.

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Vindenes, Vigdis, Ritva Karinen, Inger Hasvold, Jean-Paul Bernard, Jrg G. Mrland, and Asbjrg S. Christophersen. "Bromadiolone Poisoning: LCMS Method and Pharmacokinetic Data." Journal of Forensic Sciences 53, no. 4 (2008): 993–96. http://dx.doi.org/10.1111/j.1556-4029.2008.00737.x.

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25

Hoffmann, F. "The Effect of Spurious Cloud Edge Supersaturations in Lagrangian Cloud Models: An Analytical and Numerical Study." Monthly Weather Review 144, no. 1 (2015): 107–18. http://dx.doi.org/10.1175/mwr-d-15-0234.1.

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Abstract This study analyzes the production and the effect of spurious cloud edge supersaturations in Lagrangian cloud models (LCMs), which simulate droplets and aerosols explicitly as Lagrangian particles. By applying an idealized one-dimensional setup, it is shown that the production of spurious cloud edge supersaturations in LCMs and Eulerian cloud models is identical. In LCMs, however, the effect of spurious supersaturations on the number of activated/deactivated particles is decreased due to (i) a physically more appropriate representation of the activation process, and (ii) the LCM’s abi

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Voelkle, Manuel C., and Patrick E. McKnight. "One Size Fits All?" Methodology 8, no. 1 (2012): 23–38. http://dx.doi.org/10.1027/1614-2241/a000044.

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The use of latent curve models (LCMs) has increased almost exponentially during the last decade. Oftentimes, researchers regard LCM as a “new” method to analyze change with little attention paid to the fact that the technique was originally introduced as an “alternative to standard repeated measures ANOVA and first-order auto-regressive methods” (Meredith & Tisak, 1990, p. 107). In the first part of the paper, this close relationship is reviewed, and it is demonstrated how “traditional” methods, such as the repeated measures ANOVA, and MANOVA, can be formulated as LCMs. Given that latent c

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Kleck, Gary. "Large-Capacity Magazines and the Casualty Counts in Mass Shootings." Justice Research and Policy 17, no. 1 (2016): 28–47. http://dx.doi.org/10.1177/1525107116674926.

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Do bans on large-capacity magazines (LCMs) for semiautomatic firearms have significant potential for reducing the number of deaths and injuries in mass shootings? The most common rationale for an effect of LCM use is that they allow mass killers to fire many rounds without reloading. LCMs are known to have been used in less than one third of 1% of mass shootings. News accounts of 23 shootings in which more than six people were killed or wounded and LCMs were known to have been used, occurring in the United States in 1994–2013, were examined. There was only one incident in which the shooter may

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Bachman, Jane T. "Obtaining a cross-engineering collaborative environment via transition to a model-based system engineering (MBSE) approach." Journal of Defense Modeling and Simulation: Applications, Methodology, Technology 15, no. 4 (2016): 461–69. http://dx.doi.org/10.1177/1548512916646885.

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The integrated defense acquisition, technology, and logistics (IDAT&L) life cycle management system (LCMS) is currently a document-centric process, i.e., the IDAT&L LCMS process is a document-based approach where engineering strategies, plans, and design documents are manually generated, maintained, and sustained. This approach causes unnecessary time spent on correlating and managing interrelated system documentation. In addition, a change to the system could easily be miscommunicated or not relayed to another engineering group, e.g., test and evaluation. Hence the program experiences

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Iwamoto, Noriko, Naoe Yamane, Yukari Umino, Akinobu Hamada, and Takashi Shimada. "The development of the validated LCMS bioanalysis of trastuzumab in human plasma using a selective detection method for complementarity-determining regions of monoclonal antibodies: nano-surface and molecular-orientation limited (nSMOL) proteolysis." Analytical Methods 7, no. 21 (2015): 9177–83. http://dx.doi.org/10.1039/c5ay01588j.

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Kucharska, Karolina, Hubert Cieśliński, Piotr Rybarczyk, et al. "Fermentative Conversion of Two-Step Pre-Treated Lignocellulosic Biomass to Hydrogen." Catalysts 9, no. 10 (2019): 858. http://dx.doi.org/10.3390/catal9100858.

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Fermentative hydrogen production via dark fermentation with the application of lignocellulosic biomass requires a multistep pre-treatment procedure, due to the complexed structure of the raw material. Hence, the comparison of the hydrogen productivity potential of different lignocellulosic materials (LCMs) in relation to the lignocellulosic biomass composition is often considered as an interesting field of research. In this study, several types of biomass, representing woods, cereals and grass were processed by means of mechanical pre-treatment and alkaline and enzymatic hydrolysis. Hydrolysat

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Little, Bob. "The business and learning benefits of an LCMS." Industrial and Commercial Training 48, no. 4 (2016): 189–93. http://dx.doi.org/10.1108/ict-11-2015-0077.

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Purpose – An outline of two large organisations’ independent searches for a suitable system that enables them to create, collate and curate digital learning materials, along with updating, managing them and monitoring their use efficiently and effectively. The purpose of this paper is to examine the challenges and issues each organisation faces – and sets out how they have overcome them satisfactorily, having reached, independently, a common conclusion. Design/methodology/approach – Two case studies, making use of producer, distributor and user interviews. Findings – Discovering the appropriat

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Liu, Qifan, and Jonathan P. D. Abbatt. "Liquid crystal display screens as a source for indoor volatile organic compounds." Proceedings of the National Academy of Sciences 118, no. 23 (2021): e2105067118. http://dx.doi.org/10.1073/pnas.2105067118.

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Liquid crystal displays (LCDs) have profoundly shaped the lifestyle of humans. However, despite extensive use, their impacts on indoor air quality are unknown. Here, we perform flow cell experiments on three different LCDs, including a new computer monitor, a used laptop, and a new television, to investigate whether their screens can emit air constituents. We found that more than 30 volatile organic compounds (VOCs) were emitted from LCD screens, with a total screen area–normalized emission rate of up to (8.25 ± 0.90) × 109 molecules ⋅ s–1 ⋅ cm–2. In addition to VOCs, 10 liquid crystal monomer

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Sahlan, Muhamad, Charion Gibreth Hannes, Yanni Sudiyani, Heri Hermansyah, and Anondho Wijanarko. "Characterization of yeast extract co-product bioethanol from empty palm oil bunch." E3S Web of Conferences 67 (2018): 03039. http://dx.doi.org/10.1051/e3sconf/20186703039.

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One of the potential co-product of the manufacture of bioethanol made from oil palm empty fruit bunches are yeasts, which have antioxidant activity. Source of antioxidants can be obtained from vitamins and enzymes. In the characterization study of the antioxidant properties of yeast extract refers to a method performed by Xiong, by varying solvent and extraction time using hot water and ethanol 25%. From the variation of time and solvent extraction will be tested with the GSH content of alloxan method, to obtain the maximum concentration. The results show the isolation of amino acids with a ho

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Bennett, Curtis D., Mary J. DeYoung, James J. Rutledge, and Elaine Young. "Con-fusing Pairs: An Intriguing Investigation of LCMs." Mathematics Teacher 100, no. 2 (2006): 140–44. http://dx.doi.org/10.5951/mt.100.2.0140.

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As today's high school students and undergraduates contemplate the conic sections known to the Greeks or learn the calculus dating back to Newton, they rarely stop to realize that mathematics is continually being discovered and invented. A great deal of current mathematical knowledge has been established since these young students were born. What is the driving force behind this new knowledge? The simple answer is curiosity.

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Turner, John J., Johannes S. Hoos, Stefan Vonhoff, and Sven Klussmann. "Methods for L-ribooligonucleotide sequence determination using LCMS." Nucleic Acids Research 39, no. 21 (2011): e147-e147. http://dx.doi.org/10.1093/nar/gkr776.

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Bennett, Curtis D., Mary J. DeYoung, James J. Rutledge, and Elaine Young. "Con-fusing Pairs: An Intriguing Investigation of LCMs." Mathematics Teacher 100, no. 2 (2006): 140–44. http://dx.doi.org/10.5951/mt.100.2.0140.

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As today's high school students and undergraduates contemplate the conic sections known to the Greeks or learn the calculus dating back to Newton, they rarely stop to realize that mathematics is continually being discovered and invented. A great deal of current mathematical knowledge has been established since these young students were born. What is the driving force behind this new knowledge? The simple answer is curiosity.

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De Giusti, Laura Cristina. "Learning Objects 2: Standarts, Metadatas, Repositories, &LCMS." Revista Iberoamericana de Tecnología en Educación y Educación en Tecnología, no. 15 (June 1, 2015): 82. http://dx.doi.org/10.24215/18509959.0.p.82.

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La presencia de objetos de aprendizaje ha generado una nueva forma de pensar acerca del contenido de aprendizaje. El contenido deja de ser un medio para la consecución de un objetivo y se convierte en un objeto con entidad propia, susceptible de ser reutilizado. La utilización de objetos de aprendizaje como recurso didáctico requiere nuevos enfoques en el diseño, en la metodología docente y en las estrategias de aprendizaje del alumno

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Mehta, Shuchi Dave, and Sarvesh Paliwal. "PHYTOCHEMICAL ANALYSIS, LIQUID CHROMATOGRAPHY, AND MASS SPECTROSCOPY AND IN VITRO ANTICANCER ACTIVITY OF ANNONA SQUAMOSA SEEDS LINN." Asian Journal of Pharmaceutical and Clinical Research 11, no. 3 (2018): 101. http://dx.doi.org/10.22159/ajpcr.2018.v11i3.22808.

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Objective: The objective of the present study is to evaluate in vitro anticancer property and phytochemical analysis using liquid chromatography and mass spectroscopy (LCMS) method of hydroalcoholic extract of seeds of Annona squamosa (AS) Linn. Seeds of AS Linn. are traditional medicine treating various diseases and have shown anticancer activity. Due to lack of survival benefit, cancer is a deadly global disease.Method: The anticancer activity was evaluated using the sulforhodamine B assay method on five cancer cell lines: Breast cancer cell line, cervix cancer cell line (SiHa), colon cancer

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Kang, Tejwant Singh, Masa-aki Morikawa, and Nobuo Kimizuka. "Liquid crystalline microspheres of azobenzene amphiphiles formed by thermally induced pH changes in binary water–hydrolytic ionic liquid media." Chemical Communications 55, no. 38 (2019): 5459–62. http://dx.doi.org/10.1039/c9cc01731c.

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Zhou, Tao, Jijo J. Vallooran, and Raffaele Mezzenga. "Supramolecular chirality and crystallization from biocatalytic self-assembly in lipidic cubic mesophases." Nanoscale 11, no. 13 (2019): 5891–95. http://dx.doi.org/10.1039/c8nr09671f.

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Nasiri, Alireza, Mohammadjavad Ameri Shahrabi, and Mostafa Keshavarz Moraveji. "Application of new eco-friendly LCMs for combating the lost circulation in heavy-weight and oil-based mud." RSC Advances 8, no. 18 (2018): 9685–96. http://dx.doi.org/10.1039/c7ra13668d.

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Serhiienko, Volodymyr P., Liudmyla О. Kukhar, Oleksandr V. Halytskyi та Pavlo V. Mykytenko. "ВИКОРИСТАННЯ ВБУДОВАНОЇ СИСТЕМИ АНАЛІЗУ ТЕСТОВИХ ЗАВДАНЬ В LCMS MOODLE". Information Technologies and Learning Tools 41, № 3 (2014): 196–208. http://dx.doi.org/10.33407/itlt.v41i3.979.

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У даній статті розглядається можливість використання вбудованої системи аналізу тестових завдань LCMS MOODLE 2.5.х для математико-статистичного опрацювання результатів тестування. Проаналізовано параметри (медіана оцінок, стандартне відхилення, значення асиметрії розподілу, значення ексцесу розподілу, коефіцієнт внутрішньої узгодженості, співвідношення помилок, стандартна помилка, успішність, оцінка навмання, призначена вага, ефективна вага, індекс дискримінації, коефіцієнт дискримінації) характеристик тесту, які застосовуються для аналізу тестових завдань і тесту в цілому. Описано критерії по

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Rožman, Marko, and Mira Petrović. "Bquant – Novel script for batch quantification of LCMS data." MethodsX 3 (2016): 520–24. http://dx.doi.org/10.1016/j.mex.2016.09.001.

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Cherian, Pinkie, and D. Sheela. "LCMS spectral analysis of Betacyanin Pigments in Amaranthus L." Research Journal of Pharmacognosy and Phytochemistry 9, no. 4 (2017): 219. http://dx.doi.org/10.5958/0975-4385.2017.00040.1.

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Galves, Leandro, Stefan Miska, Małgorzata Ziaja, and Evren Ozbayoglu. "Study of the performance of LCMs in fractured formations." AGH Drilling, Oil, Gas 34, no. 1 (2017): 103. http://dx.doi.org/10.7494/drill.2017.34.1.103.

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Li, Xingnan, and Adrian A. Franke. "Improvement of bisphenol A quantitation from urine by LCMS." Analytical and Bioanalytical Chemistry 407, no. 13 (2015): 3869–74. http://dx.doi.org/10.1007/s00216-015-8563-z.

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Lu, Kaijun, Wayne S. Gardner, and Zhanfei Liu. "Molecular Structure Characterization of Riverine and Coastal Dissolved Organic Matter with Ion Mobility Quadrupole Time-of-Flight LCMS (IM Q-TOF LCMS)." Environmental Science & Technology 52, no. 13 (2018): 7182–91. http://dx.doi.org/10.1021/acs.est.8b00999.

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Ewbank, William A. "LCM—Let's Put It in Its Place." Arithmetic Teacher 35, no. 3 (1987): 45–47. http://dx.doi.org/10.5951/at.35.3.0045.

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By coincidence, the topic of least common multiple (LCM) had four separate mentions in the Arithmetic Teacher's December 1984 issue. Two letter refer to an article in the April 1984 issue (Lamb 1984); a Korean student introduces a “nover” method of finding LCMs that is the method I learned in England fifty year ago and that I have taught to U.S. college students for the last twenty years; and Doyle gives a computer program for generating LCMs (Doyle 1984). This discussion is very good, but when all is said and done, why is this rather cumber orne skill taught at all? I uggest it is a leftover

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Boiteau, Rene M., and Daniel J. Repeta. "An extended siderophore suite from Synechococcus sp. PCC 7002 revealed by LC-ICPMS-ESIMS." Metallomics 7, no. 5 (2015): 877–84. http://dx.doi.org/10.1039/c5mt00005j.

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Asselineau, J., A. Paye, E. Bessède, P. Perez, and C. Proust-Lima. "Different latent class models were used and evaluated for assessing the accuracy of campylobacter diagnostic tests: overcoming imperfect reference standards?" Epidemiology and Infection 146, no. 12 (2018): 1556–64. http://dx.doi.org/10.1017/s0950268818001723.

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AbstractIn the absence of perfect reference standard, classical techniques result in biased diagnostic accuracy and prevalence estimates. By statistically defining the true disease status, latent class models (LCM) constitute a promising alternative. However, LCM is a complex method which relies on parametric assumptions, including usually a conditional independence between tests and might suffer from data sparseness. We carefully applied LCMs to assess new campylobacter infection detection tests for which bacteriological culture is an imperfect reference standard. Five diagnostic tests (cultu

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