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Journal articles on the topic 'Novel "Koch"'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Chen, Guolong, Zheng Cao, and Weimin Zhang. "A Novel Planar Differential Koch Fractal Eddy Current Probe with Parallel Wound Topological Structure." Journal of Sensors 2021 (June 16, 2021): 1–13. http://dx.doi.org/10.1155/2021/6671189.

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Flexible planar eddy current probes are widely used to detect conductive components with complex surface. In this study, topological transformation is applied to design a differential Koch coil exciting eddy current probe. Two kinds of Koch exciting coils, Koch A and Koch B , were obtained by topological transformation from a three-dimensional differential exciting eddy current probe. Finite element model simulation is conducted to visualize the differences of eddy current distributions induced by the probes and get the defect signal. A detailed comparison is made among the two kinds of Koch e

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2

Zhu, Yuwen, Junjie Deng, Wei Xiong, Tianyu You, and Wei Zhou. "Koch Hierarchical Honeycomb: A Fractal-Based Design for Enhanced Mechanical Performance and Energy Absorption." Materials 16, no. 10 (2023): 3670. http://dx.doi.org/10.3390/ma16103670.

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A novel energy-absorbing structure, the Koch hierarchical honeycomb, which combines the Koch geometry with a conventional honeycomb structure, is proposed in this work. Adopting a hierarchical design concept using Koch has improved the novel structure more than the honeycomb. The mechanical properties of this novel structure under impact loading are studied by finite element simulation and compared with the conventional honeycomb structure. To effectively verify the reliability of the simulation analysis, quasi-static compression experiments were conducted on 3D-printed specimens. The results

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3

Ibrahimova, Ulviyya. "SPECIFIC NAMES IN MOVLUD SULEYMANLI'S NOVEL "KOCH"." Deutsche internationale Zeitschrift für zeitgenössische Wissenschaft 104 (May 21, 2025): 59–61. https://doi.org/10.5281/zenodo.15480396.

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After people began to form as a social being and to develop language and thus communication, they gave names to each other, to the objects they lived in, to the animals and birds they hunted and tamed, to natural and divine forces, to the plants and fruits they used for food, and so on. As their knowledge of life and nature expanded, such names also increased. Over time, some of the names became specialized and specifically indicated the named object, concept, or person, so they were accepted in linguistics under the term “proper names.” Proper names are th

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4

Chen, Guolong. "Two Novel Information Entropy Indices for Analysis of the Eddy Current Distribution." Entropy 20, no. 9 (2018): 699. http://dx.doi.org/10.3390/e20090699.

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The Koch curve exciting coil eddy current sensor is a kind of novel flexible planar eddy current probe. In this study, an intersection angle spectrum entropy index and a radial direction energy spectrum entropy were proposed to evaluate the eddy current distribution. Eddy current distributions induced by one turn of a circular coil and one turn of a second order Koch curve coil feed with different exciting frequency alternative currents and at different lift-off distances, were simulated and the eddy current distributions varying with lift-off distance in different exciting frequencies were co

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5

Mustafa, Mustafa, Amer Basim Shaalan, Hayder Salah Naeem, and Mustafa Albdairi. "A Novel Design of a Quadratic Koch Fractal Nano Antenna for THz Application." Journal of Cybersecurity and Information Management 15, no. 2 (2025): 78–86. http://dx.doi.org/10.54216/jcim.150207.

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The study, called A Novel Design of a Quadratic Koch Fractal Nanoantenna, aims to create and study a brand-new microstrip nanoantenna that works in the THz range, specifically between 100 and 130 THz, and can handle a wide range of optical communication frequencies. We examine two unique geometries, specifically the quadratic Koch fractal patch (QKF) and the complementary quadratic Koch fractal patch (CQKF), utilizing two different dielectric materials as substrates. We employ silicon (Si) dielectric material because of its high dielectric constant (11.9), while we use the silicon dioxide (SiO

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6

Jaffri, Zain Ul Abidin, Zeeshan Ahmad, Asif Kabir, and Syed Sabahat Hussain Bukhari. "A novel miniaturized Koch-Minkowski hybrid fractal antenna." Microelectronics International 39, no. 1 (2021): 22–37. http://dx.doi.org/10.1108/mi-07-2021-0069.

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Purpose Antenna miniaturization, multiband operation and wider operational bandwidth are vital to achieve optimal design for modern wireless communication devices. Using fractal geometries is recognized as one of the most promising solutions to attain these characteristics. The purpose of this paper is to present a unique structure of patch antenna using hybrid fractal technique to enhance the performance characteristics for various wireless applications and to achieve better miniaturization. Design/methodology/approach In this paper, the authors propose a novel hybrid fractal antenna by combi

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7

Sun, Weigang, Jingyuan Zhang, and Yongqing Wu. "Novel evolving small-world scale-free Koch networks." Journal of Statistical Mechanics: Theory and Experiment 2011, no. 03 (2011): P03021. http://dx.doi.org/10.1088/1742-5468/2011/03/p03021.

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8

Jamil, Atif, Muhammad Rauf, Abdul Sami, Arsalan Ansari, and Muhammad Dawood Idrees. "A Wideband Hybrid Fractal Ring Antenna for WLAN Applications." International Journal of Antennas and Propagation 2022 (February 21, 2022): 1–8. http://dx.doi.org/10.1155/2022/6136916.

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We propose the design of a novel fractal antenna that is both unique and performance-driven. Two important antenna design features, miniaturization and wideband operation, are combined in this work. A ring-shaped antenna is designed using the well-known fractal geometry. This hybrid geometry is a fusion of meander and Koch curve shapes. The geometrical construction of the proposed antenna is compared to the standard Koch curve geometry. It is shown that combining the meander and Koch curve shapes increases the effective electrical length. The wider bandwidth is achieved by bringing the higher

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9

XIONG, SIYUE, and XUEYE CHEN. "A NOVEL 3D MICROMIXER WITH QUARTIC KOCH CURVE FRACTAL." Surface Review and Letters 28, no. 06 (2021): 2150049. http://dx.doi.org/10.1142/s0218625x21500499.

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In this paper, we mainly study the mixing performance of the micromixer with quartic Koch curve fractal (MQKCF) by numerical simulation. Changing the structure of the microchannel based on the fractal principle can significantly improve the fluid flow state in the microchannel and improve the mixing efficiency of the micromixer. This paper discussed the effects of different fractal deflection angles, microchannel heights and different fractal times on the mixing efficiency under four different Reynolds numbers (Re). It is found that changing the deflection angle of the fractal can bring extrem

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10

Chen, Xueye, Shuai Zhang, Zhongli Wu, and Yue Zheng. "A novel Koch fractal micromixer with rounding corners structure." Microsystem Technologies 25, no. 7 (2019): 2751–58. http://dx.doi.org/10.1007/s00542-019-04296-4.

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11

Mathur, Vinita, and Dr Manisha Gupta. "Morphology of Koch Fractal Antenna." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 13, no. 2 (2014): 4157–63. http://dx.doi.org/10.24297/ijct.v13i2.2902.

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Antenna is paramount element for the radio communication entity using radio frequency and microwaves.Â In twenty-first century wireless communication systems, there is a demand for wider bandwidth, multiband and low profile antennas for both commercial and military purposes. This has initiated antenna analysis in various directions; one of them is using fractal shaped antenna elements. Fractal concepts have emerged and advanced as a unique technique for designing compact UWB antennas, because of the self-similarityand space-filling attributes. In a fractal antenna, the multiple frequencies of

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12

Zhang, Hou, Hai-Yang Xu, Bo Tian, and Xian-Feng Zeng. "CPW-Fed Fractal Slot Antenna for UWB Application." International Journal of Antennas and Propagation 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/129852.

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A novel printed ultrawideband (UWB) CPW-fed Koch fractal slot antenna is proposed. The UWB bandwidth is largely enhanced by the three-iteration Koch fractal slot whose extrusive angle is 900 instead of 600 to obtain better convoluted shape and self-similarity. The −10 dB impedance bandwidth is 3400 MHz (1270–4670 MHz) or about 114% in comparison with 1290 MHz (1620–2910 MHz) or about 57% of the referenced square slot antenna. Details of the proposed antenna design and performance are presented and discussed.

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13

Khan, Omar Masood, Zain Ul Islam, Imran Rashid, Farooq Ahmad Bhatti, and Qamar Ul Islam. "NOVEL MINIATURIZED KOCH PENTAGONAL FRACTAL ANTENNA FOR MULTIBAND WIRELESS APPLICATIONS." Progress In Electromagnetics Research 141 (2013): 693–710. http://dx.doi.org/10.2528/pier13060904.

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14

Li, Tianpeng, Guang-Ming Wang, Ke Lu, He-Xiu Xu, Zhi-Heng Liao, and Binfeng Zong. "NOVEL BANDPASS FILTER BASED ON CSRR USING KOCH FRACTAL CURVE." Progress In Electromagnetics Research Letters 28 (2012): 121–28. http://dx.doi.org/10.2528/pierl11082903.

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15

Zhou, Jianhua, Yong Luo, Baiqiang You, and X. J. Yan. "Novel tri-band antenna end-loaded with Koch fractal loops." Microwave and Optical Technology Letters 54, no. 3 (2012): 620–23. http://dx.doi.org/10.1002/mop.26657.

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16

Zhou, Jianhua, Yong Luo, Baiqiang You, and X. J. Yan. "Erratum: Novel tri-band antenna endloaded with koch fractal loops." Microwave and Optical Technology Letters 54, no. 7 (2012): 1775. http://dx.doi.org/10.1002/mop.26923.

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17

GLUSHKOV, R. G., A. I. L'VOV, O. S. SIZOVA, et al. "ChemInform Abstract: Novel Synthesis of Gemfibrozil Utilizing a Koch-Haaf Reaction." ChemInform 26, no. 28 (2010): no. http://dx.doi.org/10.1002/chin.199528071.

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18

Marquard, Robert D. "A Novel Lace-leafed Pecan." HortScience 26, no. 10 (1991): 1316–17. http://dx.doi.org/10.21273/hortsci.26.10.1316.

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More than 30 pecan [Carya illinoensis (Wangenh.) K. Koch] seedlings of `Riverside' have exhibited an unusual leaf morphology described as lace-leafed. Seedlings have relatively low vigor, compound leaves, and leaflets with deeply serrated margins with higher length: width ratios than normal seedings. Some leaves are both pinnate and palmately compound and some leaflets are lobed. The segregation ratio of lace-leafed seedlings for one gene controlling a polymorphic genetic marker supports the hypothesis that lace-leafed seedlings result from selfing of `Riverside.' Nine percent (three of 33) of

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19

Xiong, Siyue, Xueye Chen, and Jinyuan Wang. "A novel three-dimensional electroosmotic micromixer based on the Koch fractal principle." RSC Advances 11, no. 21 (2021): 12860–65. http://dx.doi.org/10.1039/d1ra00218j.

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20

Gupta, Manisha, and Vinita Mathur. "Hexagonal Fractal Antenna using Koch for Wireless Applications." Frequenz 72, no. 9-10 (2018): 443–53. http://dx.doi.org/10.1515/freq-2017-0203.

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Abstract This paper presents the design, fabrication, and measurement of a novel ultra-wideband (UWB) hexagonal fractal patch antenna. This antenna uses hexagonal shape with Koch snowflake fractal at its edges. The proposed antenna has been excited using microstrip feed. The measured result of this antenna offers the ultra wideband characteristics from 3.265 GHz to 8.2 GHz. The antenna is practically fabricated and tested. Measured results show a good agreement with simulated results. The measured radiation patterns of this antenna are nearly omnidirectional in H-plane and bidirectional in E-p

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21

Mathur, Rajeev, Sunil Joshi, and Krishna C. Roy. "A Novel Multiband Koch Loop Antenna Using Fractal Geometry for Wireless Communication System." International Journal of Wireless & Mobile Networks 3, no. 5 (2011): 161–72. http://dx.doi.org/10.5121/ijwmn.2011.3513.

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22

Ma Yan-Bing, Zhang Huai-Wu, and Li Yuan-Xun. "Study on a novel dual-band metamaterial absorber by using fractal Koch curves." Acta Physica Sinica 63, no. 11 (2014): 118102. http://dx.doi.org/10.7498/aps.63.118102.

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23

Mohamadiyan, Mahsa. "Novel Achillea wilhelmsii C. Koch nanocomposite fabrication with extraordinary physical and chemical properties." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2025): 9. https://doi.org/10.2298/ciceq240803009m.

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In this paper, we utilized two techniques, steam extraction and Soxhlet extraction, to obtain the active components of Achillea wilhelmsii C.Koch. These active substances were then used to create composite nanofibers using an electrospinning machine. The morphology of the resulting nanocomposite was examined using a FESEM, and the results demonstrated that the electrospinning method and conditions were suitable. Additionally, we investigated and analyzed the anti-inflammatory efficacy of the nanocomposite produced through both methods. Furthermore, we compared and analyzed the strength, abrasi

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24

Chen, Guolong, Zhibo Song, and Wuyin Jin. "A novel planar differential excitation eddy current probe based on the fractal Koch curve." Measurement 193 (April 2022): 110947. http://dx.doi.org/10.1016/j.measurement.2022.110947.

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25

de Dios Ruiz, J., F. L. Martinez, and J. Hinojosa. "Novel Compact Wide-Band EBG Structure Based on Tapered 1-D Koch Fractal Patterns." IEEE Antennas and Wireless Propagation Letters 10 (2011): 1104–7. http://dx.doi.org/10.1109/lawp.2011.2170651.

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26

Jafri, Laila, Samreen Saleem, Tamara P. Kondrytuk, et al. "Hedera nepalensis K. Koch: A Novel Source of Natural Cancer Chemopreventive and Anticancerous Compounds." Phytotherapy Research 30, no. 3 (2015): 447–53. http://dx.doi.org/10.1002/ptr.5546.

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27

Bigerelle, Maxence, François Berkmans, and Julie Lemesle. "Evaluating the Fractal Pattern of the Von Koch Island Using Richardson’s Method." Fractal and Fractional 9, no. 8 (2025): 483. https://doi.org/10.3390/fractalfract9080483.

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The principles of fractal geometry have revolutionized the characterization of complex geometric objects since Benoit Mandelbrot’s groundbreaking work. Richardson’s method for determining the fractal dimension of boundaries laid the groundwork for Mandelbrot’s later developments in fractal theory. Despite extensive research, challenges remain in accurately calculating fractal dimensions, particularly when dealing with digital images and their inherent limitations. This study examines the numerical artifacts introduced by Richardson’s method when applied to the Von Koch Island, a classic fracta

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28

Yu, Zhong-Wu, Guang-Ming Wang, Xiang-Jun Gao, and Ke Lu. "A NOVEL SMALL-SIZE SINGLE PATCH MICROSTRIP ANTENNA BASED ON KOCH AND SIERPINSKI FRACTAL-SHAPES." Progress In Electromagnetics Research Letters 17 (2010): 95–103. http://dx.doi.org/10.2528/pierl10062803.

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29

Findlay, John A., Guoqiang Li, and John A. Johnson. "Bioactive compounds from an endophytic fungus from eastern larch (Larixlaricina) needles." Canadian Journal of Chemistry 75, no. 6 (1997): 716–19. http://dx.doi.org/10.1139/v97-086.

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The structures of two novel metabolites isolated from cultures of an unidentified endophytic fungus obtained from an eastern larch (Larixlaricina (Du Roi) K. Koch) needle were shown to be 8,1′,5′-trihydroxy-3′,4′dihydro-1′H-[2,4′]binaphthalenyl-1,4,2′-trione, 1, and 2-methyloctanoic acid 6-oxo-2-propenyl-3,6-dihydro-2H-pyran-3-yl ester, 2. Structures were determined by spectroscopic means. Compound 1 was toxic to spruce budworm (ChoristoneurafumiferanaClem.) larvae while 2 was active against Vibriosalmonicida, Pseudomonasaeruginosa, and Staphylococcusaureus. Keywords: insect toxin, Larixlarici

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30

Clunies Ross, Bruce. "Les Murray's The Boys Who Stole the Funeral." Recherches anglaises et nord-américaines 21, no. 1 (1988): 65–84. http://dx.doi.org/10.3406/ranam.1988.1192.

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Les A. Murray, le poète australien, a dit un jour qu'en écrivant The Boys Who Stole the Funeral il avait voulu regagner du terrain que la poésie avait perdu au profit du roman. Le romancier Christopher Koch, ami de Murray, lui a implicitement répondu dans un essai intitulé "The Novel as Narrative Form". Notre étude porte sur le récit poétique et le récit en prose et sur l’intersection possible du roman en vers et du roman en tant que poème narratif, The Boys Who Stole the Funeral nous servant de référence.

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31

Kassym, Ruslan, Turdybek Balgynbek, Tansaule Serikov, et al. "Development a novel design of miniaturized heptagonal Koch fractal wide band antenna for 5G mm wave and IoT applications." Eastern-European Journal of Enterprise Technologies 3, no. 5 (129) (2024): 6–14. http://dx.doi.org/10.15587/1729-4061.2024.306712.

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The object of the study is a compact heptagonal broadband antenna specially designed for use in the 5G millimeter band using Koch fractals to improve performance. As a result of the study, the most important problem of achieving higher gain, improving bandwidth and reducing interference at higher frequencies, which is necessary for the effective functioning of 5G networks, was solved. As a result, the maximum realized gain of 5 dB was obtained at a frequency of 27.58 GHz with an impressive bandwidth in the range from 26.5 to 40 GHz. The use of Koch fractal geometry and defective ground planes

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32

Kamusella, Tomasz. "The Jewess Hana, or Antisemitism in the Soviet Bloc." Narracje o Zagładzie, no. 1(7) (May 18, 2021): 261–71. http://dx.doi.org/10.31261/noz.2021.07.17.

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The article is devoted to the first novel of the Sorbian writer Jurij Koch entitled Židowka Hana [The Jewess Hana], published in 1963. Curiously, it contains in its title the ethnonym “Jewess,” which breached the antisemitic line then adopted across the Soviet bloc. Perhaps, this ideological transgression explains why this novel was not translated into German or the bloc’s other languages during the communist period. Sorbian-language novels were (and still are) few and apart, so the East German authorities, for the sake of the official promotion of minority cultures, supported thetranslation o

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33

Mo, Zhenghai, Gang Feng, Wenchuan Su, Zhuangzhuang Liu, and Fangren Peng. "Identification of miRNAs Associated with Graft Union Development in Pecan [Carya illinoinensis (Wangenh.) K. Koch]." Forests 9, no. 8 (2018): 472. http://dx.doi.org/10.3390/f9080472.

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Pecan [Carya illinoinensis (Wangenh.) K. Koch] is a high-value fruit tree with a long juvenile period. The fruiting process of pecan seedlings can be largely accelerated through grafting. As non-coding small RNAs, plant miRNAs participate in various biological processes through negative regulation of gene expression. To reveal the roles of miRNAs in the graft union development of pecan, four small RNA libraries were constructed from the graft union at days 0, 8, 15, and 30 after grafting. A total of 47 conserved miRNAs belonging to 31 families and 39 novel miRNAs were identified. For identifie

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34

Mori, Hajime, Aya Wada, Qiang Xu, and Yoshie Souma. "Novel Application of a Solid Super Acid, Sulfated Zirconia, as a Catalyst for Koch Carbonylation Reaction." Chemistry Letters 29, no. 2 (2000): 136–37. http://dx.doi.org/10.1246/cl.2000.136.

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35

Kumari, Sapana, Urvashi Chauhan, Anuradha Kumari, and Gireesh Nadda. "Comparative toxicities of novel and conventional acaricides against different stages of Tetranychus urticae Koch (Acarina: Tetranychidae)." Journal of the Saudi Society of Agricultural Sciences 16, no. 2 (2017): 191–96. http://dx.doi.org/10.1016/j.jssas.2015.06.003.

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36

Yu, Zhen, Jianguo Yu, Xiaoying Ran, and Chenhua Zhu. "A novel Koch and Sierpinski combined fractal antenna for 2G/3G/4G/5G/WLAN/navigation applications." Microwave and Optical Technology Letters 59, no. 9 (2017): 2147–55. http://dx.doi.org/10.1002/mop.30698.

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37

Zhang, Wenliang, Jingjing Chen, and Xiaohua Du. "2-Phenylpyridine Derivatives: Synthesis and Insecticidal Activity Against Mythimna separata, Aphis craccivora, and Tetranychus cinnabarinus." Molecules 28, no. 4 (2023): 1567. http://dx.doi.org/10.3390/molecules28041567.

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The increase in the insecticide resistance of pests, such as Mythimna separata, Aphis craccivora Koch, and Tetranychus cinnabarinus, necessitates the development of new heterocyclic compounds with high insecticidal activity. A series of novel 2-phenylpyridine derivatives containing N-phenylbenzamide moieties were designed and synthesised with Suzuki–Miyaura cross-coupling, nucleophilic substitution, and amidation reactions. The reaction conditions in each step are mild, and the product is easy to separate (yield is about 85%). The structures of the compounds were characterised using 1H and 13C

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38

Aliyu, H., and M. F. Ishiyaku. "Identification of Novel Resistance Gene Sources to Cowpea Aphid (Aphis craccivora Koch) in Cowpea (Vigna unguiculata L.)." Pakistan Journal of Biological Sciences 16, no. 15 (2013): 743–46. http://dx.doi.org/10.3923/pjbs.2013.743.746.

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39

Lin, Shu, Xi Liu, and Xin-Ru Ma. "DESIGN AND ANALYSIS OF A NOVEL CPW-FED KOCH FRACTAL YAGI-UDA ANTENNA WITH SMALL ELECTRIC LENGTH." Progress In Electromagnetics Research C 33 (2012): 67–79. http://dx.doi.org/10.2528/pierc12082707.

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40

Liu, Zhuangzhuang, Fengda Li, Fangren Peng, et al. "Identification of Grafting-Responsive MicroRNAs Associated with Growth Regulation in Pecan [Carya illinoinensis (Wangenh.) K. Koch]." Forests 11, no. 2 (2020): 196. http://dx.doi.org/10.3390/f11020196.

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Pecan [Carya illinoinensis (Wangenh.) K. Koch] is an economically important nut tree and grafting is often used for clonal propagation of cultivars. However, there is a lack of research on the effects of rootstocks on scions, which are meaningful targets for directed breeding of pecan grafts. MicroRNAs (miRNAs) play an important role in many biological processes, but the mechanism underlying the involvement of miRNAs in grafting-conferred physiological changes is unclear. To identify the grafting-responsive miRNAs that may be involved in the regulation of growth in grafted pecan, six small RNA

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41

Varshney, Atul, and Duygu Nazan Gençoğlan. "High-Gain Multi-Band Koch Fractal FSS Antenna for Sub-6 GHz Applications." Applied Sciences 14, no. 19 (2024): 9022. http://dx.doi.org/10.3390/app14199022.

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This study introduces a novel antenna based on the binary operation of a modified circular patch in conjunction with the Koch fractal. The antenna is intended for applications in the sub-6 GHz band, partial C-band, and X-band. The low-cost antenna is fabricated on a 1.6-mm-thick FR-4 substrate. A frequency-selective surface (FSS) is used to overcome the decreased values of the gain and bandwidth due to the fractal operations. The introduced split ring resonator (SRR) and the antenna substrate dimension reduction reduce the bandwidth and antenna gain. The air gap between the FSS and the antenna

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42

Garg, Bipul Kumar, Shrikant Pradeep Savant, and Sumit Maheshwari. "Craniovertebral Junction Koch spine – an unusual presentation treated with a novel approach: case report and review of literature." International Journal of Research in Orthopaedics 5, no. 3 (2019): 529. http://dx.doi.org/10.18203/issn.2455-4510.intjresorthop20191796.

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<p class="abstract">The retropharyngeal space lies in the posterior pharyngeal wall between the middle and deep layers of the deep cervical fascia. It extends from the base of the skull to the mediastinum and frequently serves as a conduit for spread of disease from the neck into the chest. Spinal tuberculosis is the commonest extra pulmonary manifestation of tuberculosis. Clinical findings of cervical tuberculosis includes neck pain, restricted neck movements, quadriparesis, radicular manifestations, kyphosis, and sensory disturbance. It should be suspected in an adult person who presen

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43

Shehawy, A., and A. Alshehri. "TOXICITY AND BIOCHEMICAL EFFICACY OF NOVEL PESTICIDES AGAINST Aphis craccivora Koch (HEMIPTERA: APHIDIDAE) IN RELATION TO ENZYMES ACTIVITY." Journal of Plant Protection and Pathology 6, no. 11 (2015): 1507–17. http://dx.doi.org/10.21608/jppp.2015.75384.

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44

Mori, Hajime, Aya Wada, Qiang Xu, and Yoshie Souma. "ChemInform Abstract: Novel Application of a Solid Super Acid, Sulfated Zirconia, as a Catalyst for Koch Carbonylation Reaction." ChemInform 31, no. 24 (2010): no. http://dx.doi.org/10.1002/chin.200024068.

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45

Mihai, Sebastian, Denisa Elena Dumitrescu, Antoanela Popescu, et al. "Semperivium Ruthenicum Koch Extract-Loaded Bio-Adhesive Formulation: A Novel Oral Antioxidant Delivery System for Oxidative Stress Reduction." Pharmaceuticals 16, no. 8 (2023): 1110. http://dx.doi.org/10.3390/ph16081110.

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Periodontitis is a chronic inflammatory disease that affects the oral cavity and can ultimately lead to tooth loss. Oxidative stress has been identified as a key factor in the development of periodontitis. In recent years, natural polyphenols have gained attention for their anti-inflammatory and antioxidant effects. This study aims to evaluate the potential of a bio-adhesive patch loaded with Semperivium ruthenicum Koch extract, rich in polyphenols, as a novel oral antioxidant delivery system for reducing oxidative stress in periodontitis. The plant extracts were prepared by maceration and wer

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Nakaka, Ayari, and Kazuki Kimura. "Time to freezing: plasticity or rapid evolution. A preliminary study." Biodiversity Journal 16, no. 1 (2025): 3–6. https://doi.org/10.31396/biodiv.jour.2025.16.1.3.6.

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The orb-weaving spider Trichonephila clavata (L. Koch, 1878) (Araneae Nephilidae), commonly known as Joro spider, was recently introduced into North America and has been spreading in the invaded territory. Several studies have suggested potential negative impacts of this spider on native communities. The present study focused on risk-taking behavior in Joro spider individuals from their native range. A comparison between our behavioral experiment and a previous study investigating an exotic population in the USA suggests that spiders tend to exhibit more risk-aversive behavior in the introduce

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Dianderas, Erwin, Christian Del Carpio, Mirko Zimic, et al. "A novel algorithm for detection of tuberculosis bacilli in sputum smear fluorescence images." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 5665. http://dx.doi.org/10.11591/ijece.v10i6.pp5665-5677.

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This work proposes an algorithm aimed at recognizing and accounting Koch bacilli in digital images of microbiological sputum samples stained with auramine, in order to determine the degree of concentration and the state of the disease (tuberculosis). The algorithm was developed with the main objective of maximizing the sensitivity and specificity of the analysis of microbiological samples (recognition and counting of bacilli) according to each preparation method (direct and diluted pellets) in order to reduce the subjectivity of the visual inspection applied by the specialist at the time of an

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Erwin, Dianderas, del Carpio Christian, Zimic Mirko, et al. "A novel algorithm for detection of tuberculosis bacilli in sputum smear fluorescence images." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 5665–77. https://doi.org/10.11591/ijece.v10i6.pp5665-5677.

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Abstract:

This work proposes an algorithm aimed at recognizing and accounting Koch bacilli in digital images of microbiological sputum samples stained with auramine, in order to determine the degree of concentration and the state of the disease (tuberculosis). The algorithm was developed with the main objective of maximizing the sensitivity and specificity of the analysis of microbiological samples (recognition and counting of bacilli) according to each preparation method (direct and diluted pellets) in order to reduce the subjectivity of the visual inspection applied by the specialist at the time of an

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Sánchez-Cruz, Martha Alicia, Rodolfo Paul Uribe-González, and Luis Manuel Murillo-Bonilla. "robert Koch." Revista de Medicina Clínica 2, no. 3 (2018): 92–95. https://doi.org/10.5281/zenodo.1439499.

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Schronce, Arty, and Andrew K. Davis. "Novel Observation: Northern Cardinal (Cardinalis cardinalis) Perches on an Invasive Jorō Spider (Trichonephila clavata) Web and Steals Food." Insects 13, no. 11 (2022): 1049. http://dx.doi.org/10.3390/insects13111049.

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An invasive spider (Trichonephila clavata [L. Koch 1878], or jorō spider) is rapidly expanding throughout the southeast of the United States, engendering many questions about how native fauna will be affected. Here, we describe an observation of a northern cardinal (Cardinalis cardinalis, L.) consuming prey items from a jorō web, which serves as an example of a native species deriving a (small) benefit from this new invader. Moreover, the manner of the kleptoparasitism is also noteworthy; the cardinal perched directly on the web, which supported its weight (which is 42–48 g in this species). T

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