Academic literature on the topic 'Matrix Auto Body (Firm)'

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Journal articles on the topic "Matrix Auto Body (Firm)"

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Zhou, Kang Qu, Dai Quan Yu, Yan Xiao, and Xiao Li Zhang. "Research and Implementation of Auto Parts Proportion Model." Applied Mechanics and Materials 404 (September 2013): 802–7. http://dx.doi.org/10.4028/www.scientific.net/amm.404.802.

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Automobile is a typical multi-stage split charging and assembly manufactured product. It can be divided into engine, body, chassis and electrical four modules functionally. Auto parts proportion is defined as the ratio of purchasing costs of a given part to the total costs. In this paper, an auto parts proportion model is proposed by means of matrix and statistical analysis, a benchmarking proportion calculating model of various vehicle types is presented by means of average and mode comparison. On the basis of these models, target costs of auto-parts, systems and modules can be calculated. These models and methodologies have been used in the processes of new product development costs controlling and developed products costs reduction in a big scale automobile company.
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Osahon Osazevbaru, Henry, and Emmanuel Mitaire Tarurhor. "Unobservable characteristics of board directors and the performance of financial services firms in Nigeria." Investment Management and Financial Innovations 17, no. 4 (December 18, 2020): 378–88. http://dx.doi.org/10.21511/imfi.17(4).2020.32.

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This paper examines the intricate link between unobservable characteristics of directors on the corporate board and firm performance. It aims to extend the literature on corporate governance and firm strategic performance from the perspective of emerging African economies. A mix of performance measures were used (Tobin Q, return on assets, and share price) and unobservable characteristics were captured as a stochastic element or heterogeneity of observable board characteristics (board activity, gender diversity, size, and independence). The study applied non-linear generalized auto-regressive conditional heteroscedasticity model to examine the data set consisting of 299 firm-year observations from 23 financial firms listed on the Nigerian Stock Exchange from 2006 to 2018. Positive skewness and leptokurtic distribution were found for all the variables. Correlation matrix revealed no multicollinearity, as the highest value was 0.2386. Empirical results suggest that unobservable characteristics significantly and positively influence firm performance as measured by return on assets and share price. This is because the coefficient of the lagged-value of the variance scaling parameter is positive and significant at the 1% level. However, with respect to Tobin Q measure, the result was positive but not significant at the 5% level. Implicitly, the result is sensitive to performance proxies. Accordingly, this study concludes that unobservable characteristics drive firm performance. It is recommended that boards and regulators should pay attention to unobservable characteristics.
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Zhang, Wei, Xiao Hong Pan, and Xin Kang Fang. "For the Shipbuilding Enterprise Model of Intelligent Recommendation Services." Applied Mechanics and Materials 34-35 (October 2010): 222–26. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.222.

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Based on ships transaction in useful information personalization gain question, proposed that one kind the intelligent recommendation service model which unifies the ASP (Application Service Providers) pattern and the recommendation technology. In this model, the service uses five structures, the intelligence management transfer application service level and the resources component level, cooperates to realize the intelligence mutually. In view of the ships profession electronic commerce pattern's characteristic, the depth limited auto-adapted k close neighbor searching algorithm which uses transforms the user grading non-isotropic space as the isotropic space, obtains the isotropic grading matrix, thus searches the current user k recent neighbor, has current user's forecast grading, and has the recommendation. Has provided the simple direct-viewing practical commercial service for the ships manufacturing firm.
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Yoo, Jesung, Hoon Huh, Jaeyoung Lim, and Taehwa Lee. "Tensile properties of CFRP manufactured by resin transfer molding considering stacking sequences at various strain rates." Journal of Composite Materials 53, no. 14 (January 28, 2019): 2015–30. http://dx.doi.org/10.1177/0021998318816441.

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This paper is concerned with the improvement of a tensile test method and the material properties of carbon fiber reinforced polymer manufactured by resin transfer molding considering stacking sequences at various strain rates for auto-body. Auto-body structure experiences the strain rates up to several hundreds per second during car crash. In order to apply the carbon fiber reinforced polymer panel into auto-body structures, it is critical to acquire the material properties of carbon fiber reinforced polymer at various strain rates considering stacking sequences. The tensile test method is improved for acceptable test results. Test specimens are modified for high-speed tensile tests of carbon fiber reinforced polymer in order to achieve designated strain rates and eliminate the effect from unfavorable conditions of inhomogeneity of deformation. Various types of grip tab materials are employed for acceptable failure modes. Tensile tests have been carried out with non-crimp fabric made by 50K high strength carbon fiber (NCF) and woven fabric made by a 2/2 twill pattern of 3K high strength carbon fiber (TWILL) with different stacking sequences of 0° and 90° unidirectional cases as well as [0°/90°] and [45°/−45°] symmetric cases. Digital image correlation method and force equilibrium grid method are adopted for strain and stress measurement of a carbon fiber reinforced polymer specimen during a tensile test. The material properties acquired indicate that the carbon fiber has little rate dependency, while the epoxy matrix has remarkable rate hardening at strain rates from 0.001 s−1 to 100 s−1.
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Palrungsri, Jadesupa, and Parames Chutima. "Dip Degreasing Stage Improvement in Car Body Pretreatment Process by Six Sigma." Key Engineering Materials 891 (July 6, 2021): 167–73. http://dx.doi.org/10.4028/www.scientific.net/kem.891.167.

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An automobile company in this research faced the consistency problem from the chemical concentration in degreasing bath which was one of the stages in the pretreatment process. The problem came from the proportion of total alkaline (T.Al) lower than the lower control limit (LCL) which was set at 18.2 points during February – May 2020. This resulted in the low values of Cp and Cpk, i.e. 0.83 and 0.51, respectively. To remedy the problem, Six Sigma (DMAIC) was applied to improve the process stability. The cause and effect matrix was used to analyse the potential causes of problems and prioritise the causes to solve. It was found that four (causes) factors were solved by auto titration and feeding controller installation to reduce variance and increase stability. Another one factor, quality of water, was improved by adding a check item to monitor and collect data during the initial implementation stage. The result after improvement showed that Cp and Cpk were increased to 1.82 and 1.52 in August 2020, respectively.
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Poiré, Xavier, Myriam Labopin, Didier Blaise, Patrice Chevallier, Johan Maertens, Eric Deconinck, Edouard Forcade, et al. "Autologous Versus Related Versus Unrelated Hematopoietic Stem Cell Transplantation for Adult Patients with NPM1 Mutated/FLT3-ITD Negative Acute Myeloid Leukemia in First Remission: A Study from the Acute Leukemia Working Party (ALWP) of the European Society of Blood and Marrow Transplantation (EBMT)." Blood 128, no. 22 (December 2, 2016): 2279. http://dx.doi.org/10.1182/blood.v128.22.2279.2279.

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Abstract Introduction: Acute myeloid leukemia (AML) in first remission (CR1) with intermediate-risk cytogenetics and isolated NPM1 mutation carries a good prognosis. There is not a clear benefit to perform allogeneic stem cell transplantation (allo-SCT) in CR1, and this procedure is not usually recommended in these patients. High dose chemotherapy followed by autologous stem cell transplantation (auto-SCT) is a good therapeutic alternative in good-risk AML in CR1 associated with lower toxicity. Nevertheless, relapse remains as high as 40% in this subgroup. To evaluate the best consolidation strategy in AML with isolated NPM1 mutation, we retrospectively compared auto-SCT, related (MRD) and fully matched (10/10) unrelated (MUD) allo-SCT within the EBMT registry. Methods: We selected de novo adult AML with intermediate-risk cytogenetics harbouring an isolated NPM1 mutation without FLT3-ITD and transplanted in CR1 between 2005 and 2015. Results: Two hundred and fifty-six patients have been allocated. One hundred and twenty-five patients received an auto-SCT, 72 a MRD and 59 a MUD. Median age at SCT was 52.5-year-old (range, 18.9-77) and median follow-up was 30 months (range, 1.6-109.7). A normal karyotype was found in 86% of auto-SCT and 74% of allo-SCT (p=0.02). Molecular status was available in 55% of patients, with a higher proportion of complete molecular remission (CMR) before auto-SCT than before allo-SCT (84% versus 63%, respectively, p=0.005). There was no difference in the number of induction courses to reach CR1 between groups. The majority of patients have a good performance status at the time of SCT. Peripheral blood was more frequently used as stem cell source in auto-SCT compared to allo-SCT (97% versus 77%, respectively, p<0.01). Total body irradiation was administered in 23% of allo-SCT and in 3% of auto-SCT (p<0.01). Among allo-SCT, a myeloablative conditioning regimen was administered in 57% of the patients. In vivo T-cell depletion was more frequently in MUD than in MRD (70 versus 40%, respectively, p=0.001). The 2-year leukemia-free survival (LFS) was 62% in auto-SCT, 69% in MUD and 81% in MRD (p=0.02 for MRD versus auto-SCT or MUD). The 2-year overall survival (OS) was not significantly different among auto-SCT, MUD and MRD, reaching 82%, 81% and 85%, respectively (p=0.88). The 2-year non-relapse mortality (NRM) was 2.5% in auto-SCT and 7.5% in allo-SCT (p=0.04), without any difference between MRD and MUD. The 2-year cumulative incidence of relapse (RI) was significantly higher after auto-SCT (30%) than after MUD (22%) and MRD (12%, p=0.01). Among patients transplanted in CMR, RI was higher after auto-SCT and LFS was superior after allo-SCT (RI: 21 vs. 11 vs 4%; LFS: 61 vs 74 vs. 91 after auto-SCT, MUD, and MRD, respectively, p=0.04), although this difference did not translate into a different OS (82 vs. 77 vs. 90 after auto-SCT, MUD, and MRD, respectively). In the 28 patients not transplanted in CMR who received an allo-SCT, 2-year RI, LFS and OS were 33% (15-53), 63 (43-83), and 81 (65 - 96%), whereas only 10 patients with persistant MRD received an auto-SCT precluding firm conclusions. In multivariate analysis, MRD versus auto-SCT but not MUD versus auto-SCT was significantly associated with a lower RI (p<0.01 and p=0.13, respectively) and a better LFS (p=0.01 and p=0.31, respectively). Age correlated significantly with higher NRM (p<0.01). Donor type, and age were not significantly associated with OS. Conclusion: Allo-SCT using a sibling donor appears as a good consolidation therapy to prevent relapse for young patients with AML and isolated NPM1 mutation in CR1. Auto-SCT was followed by higher relapse risk and inferior LFS, but similar OS to both allo-SCT modalities. In patients with molecular persistence, allo-SCT was followed by a relatively favourable outcome, but the low number of patients with molecular data included in this series precludes more firm conclusions. The strategy for patients not transplanted in CMR remains to be further evaluated. Disclosures Maertens: Pfizer: Consultancy, Honoraria, Research Funding, Speakers Bureau; Amgen: Consultancy; Astellas: Consultancy, Speakers Bureau; Gilead: Consultancy, Honoraria, Speakers Bureau; Merck Sharp & Dohme: Consultancy, Honoraria, Research Funding, Speakers Bureau. Baerlocher:Geron: Research Funding; Novartis: Research Funding; Janssen: Research Funding.
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CALENBUHR, V., F. J. VARELA, and H. BERSINI. "NATURAL TOLERANCE AS A FUNCTION OF NETWORK CONNECTIVITY." International Journal of Bifurcation and Chaos 06, no. 09 (September 1996): 1691–702. http://dx.doi.org/10.1142/s0218127496001041.

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This article investigates the following basic question: in the relatively stable molecular environment of a vertebrate body, can a dynamic idiotypic immune network develop a natural tolerance to endogenous components? Our approach is based on stability analysis and computer simulation using a model that takes into account the dynamics of two agents of the immune system, namely, B-lymphocytes and antibodies. We investigate the behavior of simple immune networks in interaction with an Ag whose concentration is being held constant as a function of the connectivity matrix of the network. The latter is characterized by the total number of clones, N, and the number of clones, C, with which each clone interacts. The idiotypic network models typically become unstable in the presence of this type of Ag. We show that idiotypic networks that can be found in particular connected regions of NC-space show tolerance towards auto-Ag without the need for ad hoc mechanisms that prevent an immune response. These tolerant network structures provide dynamical regimes in which the clone which interacts with the auto-Ag is suppressed instead of being excited such that an unbounded immune response does not occur. Possible implications for the future treatment of auto-immune disease such as IvIg-treatment are discussed in the light of these results. Moreover, we propose an experimental approach to verify the results of the present theoretical study.
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Прасолов, Є. Я., С. А. Бєловол, Б. С. Черненко, А. В. Ужищенко, and А. В. Шеметюк. "Дослідження безприводного ротаційного органу адаптера до сівалки просапних культур." Вісник Полтавської державної аграрної академії, no. 3 (September 28, 2018): 153–60. http://dx.doi.org/10.31210/visnyk2018.03.24.

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Представлено результати розробки безприводного ротаційного органу адаптера до сівалки просапних культур. Проведено аналіз робочих органів ґрунтообробних машин; обґрунтовано ґрунтообробний адаптер; визначено кути афронтальності й нахилу дискового органу; проведено порівняльну оцінку показників твердості ґрунту; визначено раціональні параметри і режими роботи робочого органу; визначено фракційний склад ґрунту та розпушення робочим органом; проведено дослідження з визначення раціонального кута φ робочого органу; встановлено поздовжній профіль насіннєвого ложа; виконано співвідношення ширини і глибини обробленої смуги; визначено коефіцієнти к1 і к2 у формулі тягового опору безприводного ротаційного органу. Для підвищення якості передпосівного обробітку ґрунту запропоновано адаптер із безприводним ротаційним органом до сівалок, який складається з поперечної балки рами, на якій розташовані секції безприводного ротаційного органу. Для копіювання профілю поля кожна секція забезпечена паралелограмною підвіскою і підпружиненою штангою. Крім поперечної балки рама адаптера складається з двох автозчіпок, які слугують для агрегатування з трактором, а автозчеплення з сівалкою, пов'язаних між собою поздовжніми балками. Проведено випробування результатів науково-дослідної роботи, яким підтверджено ефективність та доцільність для використання у господарстві ПП Агрофірма «Анастасія» Глобинського району Полтавської області. The article presents the results of the development of a non-rotating rotational organ of the soil-working adapter to a seed drill of cultivating crops. The analysis of working bodies of soil-working machines was carried out; the constructive-technological scheme of the soil-working adapter is substantiated; defined angles of inclination and inclination of the disc body; comparative estimation of soil hardness indexes; defined rational parameters and operating modes of the working body; determined fractional composition of soil and loosening by the working body; researches have been conducted to determine the rational angle φ of the working organ; the longitudinal profile of the seed bed is established; the ratio of the width and depth of the treated strip is executed; the coefficients k1 and k2 in the formula of the traction resistance of the non-driven rotational body are determined. To improve the quality of pre-sowing soil cultivation, an adapter with a rotary rotary device to the seeders is proposed. It consists of a transverse beam of a frame, on which, with the help of brackets, there are sections of a non-rotating rotary body. To improve the quality of pre-sowing soil cultivation, an adapter with a rotary device to the seeders is offered. It consists of a transverse beam of a frame, on which, with the help of brackets, there are sections of a non-rotating rotary body. To copy the field profile, each section is provided with a parallelogram suspension and a spring-loaded rod. In addition to the transverse beam of the adapter frame consists of two auto-scraps, which serve for aggregating with the tractor, and auto-coupling with a drill, connected by a longitudinal beam. The testing of research results has been carried out, which confirms the efficiency and expediency for use in the farm of the PP agricultural firm «Anastasia» in Globyno district, Poltava region.
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Li, Guang Ying, Ming Tu Ma, Xin Ping Mao, and Chang Xu Zhao. "New Process of Hot Stamping in Combination with Q-P-T Treatment for Higher Strength-Ductility Auto-Parts." Advanced Materials Research 1063 (December 2014): 223–31. http://dx.doi.org/10.4028/www.scientific.net/amr.1063.223.

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Hot stamping has been developed into a sophisticated stage with standardized technology and typical product USIBOR1500. Most of the hot stamped components from 22MnB5 blanks possess high strength-ductility with TS⋅El product from 10 to 15 GPa%. To meet the further requirement of automakers on body lightening, energy saving and impact safety, the new HFQPT process is proposed, i.e. Hot Stamping in combination with Quenching-Partitioning-Tempering treatment, for higher strength-ductility auto parts with TS⋅El product 20∼30 GPa%. Based on the key technology of AHSS in retained austenite RA and TRIP effect, the Q-P-T treatment is integrated to hot stamping process to obtain retained austenite on the martensite matrix to improve ductility of hot stamped ultra-high-strength components. A low temperature P-T furnace is added to the hot stamping line followed the hot pressing machine to perform Partitioning-Tempering treatment immediately after Hot Press Forming and Quenching, named as HFQPT process. The blank steels for new hot stamping process HFQPT line can be further developed on the basis of low alloyed TRIP assisted steels, Q-P steels and Q-P-T steels, and produced in traditional hot strip mill HSM or in compact steel production CSP line through thin slab casting & direct rolling to deliver ultra-thin-hot-strip (thickness t = 1.2 ∼2.0 mm).
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Olivi, Joe, and Megan Rodgers. "727 Use of a Biodegradable Dermal Matrix in Conjunction with Meshed and Sprayed Autologous Cell Suspension with a Vacuum Assisted Dressing Achieved Limb Salvage in a 73 Year Old with Deep Full Thickness Burns Despite Exposed Tendon and Bone." Journal of Burn Care & Research 41, Supplement_1 (March 2020): S195. http://dx.doi.org/10.1093/jbcr/iraa024.311.

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Abstract Introduction Deep Full thickness burns require tangential excision of the burned tissues down to viable tissue. This often leaves exposed muscle, tendon and bone. Coverage of these areas is vital to limb salvage. Multiple modalities are necessary with these type of patients, such as, dermal matrix graft, split thickness skin graft, sprayed autologous cell suspension (ACS) and wound vacuum therapy(VAC). A dermal matrix provides a scaffold for tissue and vascular en growth that is suitable for accepting a skin graft and also provides a layer between the muscle, tendon, bone and the skin graft which improves movement and produces a more pliable graft. Biodegradable temporizing matrix(BTM), produced by PolyNovo Ltd, was used to cover the muscle, bone and tendon. This product has a silicone backing which can be delaminated once it has matured with tissue and vascular en growth for auto grafting. A combination of a wide meshed skin graft at 3:1 ratio and a sprayed ACS allows for faster healing and less donor site usage which decreases the overall wound burden. Methods A 73 y/o male with total body surface area burn of 24 % suffered deep full thickness burns to the bilateral lower legs. He underwent multiple debridements with management of the right leg with irrigating wound vacuum therapy. The deeper right leg had a wound base with that consisted of muscle from the thigh down onto the foot with exposed tendons and anterior tibial bone. The open wounds to the right leg were grafted with BTM for dermal substitute coverage. Once the BTM was mature it was delaminated, and the wound surface was covered with a 3:1 ratio split thickness skin graft (STSG) and sprayed on autologous cell suspension. This resulted in using less donor skin than a 1.5 or 2:1 meshed graft STSG which decreased his wound burden. Donor sites were also sprayed with ACS. Results We had nearly 100% take of the STSG and sprayed autologous suspension epidermal graft. There was a small area over the patella tendon where the BTM did not incorporate. This is though to be because of lack of immobilization of his knee and a pseudomonal infection. Donor sites healed faster and there were minimal open areas to the graft POD 11 excluding the patella area. Conclusions BTM can be used to provide a suitable dermal substitute in complex wounds when muscle, tendon and/or bone are exposed. Immobilization of the joints is necessary to allow the tissue en growth into the dermal matrix. Wide meshed graft with sprayed ACS can be used with good results with wound vacuum therapy. Decreased wound burden and time to heal open wounds of the graft and donor sites. Applicability of Research to Practice Use of a dermal matrix, wide mesh split thickness graft and sprayed epidermal ACS with wound vacuum therapy is a good option for limb salvage when vital structures are exposed.
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Dissertations / Theses on the topic "Matrix Auto Body (Firm)"

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Šaršon, Vít. "Optimalizace projektového plánování vývojových projektů s ohledem na propojení se současně používanými plánovacími a sledovacími nástroji." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-9191.

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This thesis is focused on project planning and management optimalization in the department of technical evaluation FEM (TKF/1), Škoda Auto, a. s. Its theoretical part specifies the framework of project management, including the methodology of project leadership and software instruments. Afterwards it mentions various types of organisational structure, stressing the matrix structure. The practical part starts with the description of the company, of its organisational structure and of activities explaining processes in TKF/1. Then follows an analyse of the current situation in the project leadership of the observed department, that is summarised in a well-arranged SWOT. Based on these outlines, a new organisational structure is proposed, as well as a new process of the development projects' planning. The thesis contains a proposal of setting of sources out from the corporate fund of sources that facilitates an effective capacity planning of whole department, and it also contains a template of development activity in MS Project.
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Books on the topic "Matrix Auto Body (Firm)"

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Health, National Institute for Occupational Safety and. Matrix Auto Body, Englewood, Colorado. [Atlanta, Ga.?]: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1997.

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Reports on the topic "Matrix Auto Body (Firm)"

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Health hazard evaluation report: HETA-95-0406-2609, Matrix Auto Body, Englewood, Colorado. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, October 1996. http://dx.doi.org/10.26616/nioshheta9504062609.

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