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Journal articles on the topic 'Bullet physics'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

ZHENG, LANG, and YI TANG. "ENERGY EXCHANGE OF INTERACTING DISSIPATIVE OPTICAL BULLETS IN DISSIPATIVE SYSTEM." Journal of Nonlinear Optical Physics & Materials 18, no. 03 (September 2009): 457–64. http://dx.doi.org/10.1142/s0218863509004695.

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By using the three-dimensional complex Ginzburg–Landau equation with the cubic-quintic nonlinearity, the energy exchange of stable dissipative optical bullets is investigated for bullets launched with zero velocities and with non-zero velocities numerically in dissipative system. It is found that there are two primary factors in the energy exchange process: (i) the relative phase of dissipative optical bullets, which is crucial for energy exchange between bullets, and (ii) the initial velocities of them, which influence interaction and energy exchange between bullets and external source greatly. In addition, some interesting phenomena accompanied by energy exchange, such as asymmetric lateral deflection, bullet fusion and bullet disappearance, are also demonstrated.

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2

He, Hantao, Junxing Zheng, Quan Sun, and Zhaochao Li. "Simulation of Realistic Particles with Bullet Physics Engine." E3S Web of Conferences 92 (2019): 14004. http://dx.doi.org/10.1051/e3sconf/20199214004.

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The traditional discrete element method (DEM) uses clumps to approximate realistic particles, which is computationally demanding when simulating many particles. In this paper, the Bullet physics engine is applied as an alternative to simulate realistic particles. Bullet was originally developed for computer games to simulate physical and mechanical processes that occur in the real world to produce realistic game experiences. Physics engines integrate a variety of techniques to simulate complex physical processes in games, such as rigid bodies (e.g., rocks, and soil particles), soft bodies (e.g., clothes), and their interactions. Therefore, physics engines have the capabilities to simulate realistic particles. This paper integrates three-dimensional laser scanner and Bullet to form a realistic particle simulation framework. The soil specimen collapse process is simulated to demonstrate the capability of the proposed framework to simulate realistic particles.

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3

Kerampran, Corentin, Tomasz Gajewski, and Piotr W. Sielicki. "Temperature Measurement of a Bullet in Flight." Sensors 20, no. 24 (December 8, 2020): 7016. http://dx.doi.org/10.3390/s20247016.

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This study answers a primary question concerning how the temperature changes during the flight of a bullet. To answer the question, the authors performed unique research to measure the initial temperatures of bullet surfaces and applied it to four kinds of projectiles in a series of field experiments. The technique determines the temperature changes on metallic objects in flight that reach a velocity of 300 to 900 m/s. Until now, the tests of temperature change available in the literature include virtual points that are adopted to ideal laboratory conditions using classic thermomechanical equations. The authors conducted the first study of its kind, in which is considered four projectiles in field conditions in which a metallic bullet leaves a rifle barrel after a powder deflagration. During this process, heat is partly transferred to the bullet from the initial explosion of the powder and barrel-bullet friction. In this case, the temperature determination of a bullet is complex because it concerns different points on the external surface. Thus, for the first time the authors measured the temperatures at different position on the bullet surface. Moreover, the authors showed that basic thermodynamic equations allow for the credible prediction of such behavior if the initial conditions are identified correctly. This novel identification of the initial conditions of temperature and velocity of flying bullets was not presented anywhere else up to now.

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4

Maknuni, Jauharil, and Sabaruddin. "Construction Meaning of Bude Trieng Toys (Rifles) in Physics: Traditional Toys." Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 705–9. http://dx.doi.org/10.14421/icse.v3.589.

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Physics is closely related to human life, without realizing we have implemented it in daily life such as when working, walking and other activities, not only adults but also children. When talking about physics we definitely think that physics was born from the west. Before the development of the west in the 9th Century AD, Physics was used in society, especially the people of Aceh. It is undeniable that technology has developed more rapidly now. Technology was created to facilitate human affairs. There are innumerable kinds of technologies. One example of a very popular technology is gadgets. Every person uses gadgets with modern technology such as smart phones, Children have now become active consumers in which many electronic products and gadgets make children the target market for their toys. Before the era of sophisticated technology one of the toys chosen by most children was the Bude Trieng (shotgun). Bude Trieng is marked by playing activities both by himself and other peer groups. i is one toy that quite safe and most popular with children. This type of toy is made from bamboo using paper bullets or boh ram. The method of application is insert boh Ram's bullet in the base of the bude trieng, the ram bullet fills the entire circle of the trieng bude hole, the air inside the Bude trieng will automatically be restrained and cannot come out. The air that is held in the middle of the trieng bude will produce pressure when one of the bullets is pushed and will make a sound from the bude trieng. The purpose of this research is to study the construction of the meaning of bude trieng culture in physics. The research method used was a descriptive qualitative research to describe the relationship between the bude trieng and physics.

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5

ZENG, XIANG, BING TANG, LIANG WANG, PENG KONG, and YI TANG. "ENERGY EXCHANGE IN COLLISIONS BETWEEN TWO DISSIPATIVE OPTICAL BULLETS." Journal of Nonlinear Optical Physics & Materials 22, no. 02 (June 2013): 1350018. http://dx.doi.org/10.1142/s0218863513500185.

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By using the three-dimensional complex cubic-quintic Ginzburg-Landau equation, the energy transfer process is investigated numerically for collisions of two dissipative optical bullets in a dissipative system. For high energy solitons, as a result of energy transfer, one soliton gains energy to generate a double bullet complex, and the other one loses energy can survive in collisional process. In addition, we find that the variations of the bullets velocity show regular properties during mutiple collisions with phase difference.

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6

Firth, W. J., A. Lord, and A. J. Scroggie. "Optical bullet holes." Physica Scripta T67 (January 1, 1996): 12–16. http://dx.doi.org/10.1088/0031-8949/1996/t67/002.

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7

Kleppner, Daniel. "Nibbling the Bullet." Physics Today 51, no. 6 (June 1998): 11–13. http://dx.doi.org/10.1063/1.882265.

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8

Gwynne, Peter. "Nuclear Physics: US labs dodge a budgetary bullet." Physics World 8, no. 7 (July 1995): 6–7. http://dx.doi.org/10.1088/2058-7058/8/7/4.

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9

Yubin Xian, Xinpei Lu, Yinguang Cao, Ping Yang, Qing Xiong, Zhonghe Jiang, and Yuan Pan. "On Plasma Bullet Behavior." IEEE Transactions on Plasma Science 37, no. 10 (October 2009): 2068–73. http://dx.doi.org/10.1109/tps.2009.2028142.

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10

Hamilton, D. P. "Physics Facilities Come Under Fire: DOE Bites the Bullet." Science 256, no. 5055 (April 17, 1992): 305. http://dx.doi.org/10.1126/science.256.5055.305-a.

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11

Reuter, Stephan, Ansgar Schmidt-Bleker, Sylvain Iseni, Jorn Winter, and Klaus-Dieter Weltmann. "On the Bullet-Streamer Dualism." IEEE Transactions on Plasma Science 42, no. 10 (October 2014): 2428–29. http://dx.doi.org/10.1109/tps.2014.2332539.

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12

Rolfo, Christian, and Elisa Giovannetti. "A synthetic lethal bullet." Nature Nanotechnology 13, no. 1 (December 4, 2017): 6–7. http://dx.doi.org/10.1038/s41565-017-0038-2.

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13

Pieroux, D., S. V. Fedorov, N. N. Rosanov, and P. Mandel. "Externally excited oscillating laser bullet." Europhysics Letters (EPL) 49, no. 3 (February 1, 2000): 322–28. http://dx.doi.org/10.1209/epl/i2000-00152-9.

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14

Zaloznaya, E. D., A. E. Dormidonov, V. O. Kompanets, S. V. Chekalin, and V. P. Kandidov. "Parameters of a Light Bullet." JETP Letters 113, no. 12 (June 2021): 787–93. http://dx.doi.org/10.1134/s0021364021120146.

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15

Lohani, Vivek, Nishant Abhangi, Sitikantha Das, and Amitabh Virmani. "A Jarring Bullet: An Indian National Physics Olympiad 2020 Problem." Resonance 26, no. 8 (August 2021): 1153–68. http://dx.doi.org/10.1007/s12045-021-1214-0.

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16

Liu, H. Sh, and Ch Xu. "Finite element modeling of bullet-barrel interaction and mechanism analysis of swing phenomenon of bullet." Journal of Physics: Conference Series 1507 (March 2020): 082029. http://dx.doi.org/10.1088/1742-6596/1507/8/082029.

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17

Chekalin, Sergei V., Viktor O. Kompanets, Alexandr E. Dormidonov, and V. P. Kandidov. "Light bullet dynamics in uniform dielectrics." Uspekhi Fizicheskih Nauk 189, no. 03 (June 2018): 299–305. http://dx.doi.org/10.3367/ufnr.2018.06.038419.

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18

Wheldon, Tom. "Molecular assassins fire the dream bullet." Physics World 8, no. 9 (September 1995): 24. http://dx.doi.org/10.1088/2058-7058/8/9/19.

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19

Sinha, J. K., and C. N. Bhattacharyya. "Identification of Tandem Bullets." Medicine, Science and the Law 29, no. 3 (July 1989): 249–50. http://dx.doi.org/10.1177/002580248902900310.

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The possibility of identifying tandem bullets, causing separate entry holes on one or two victims, or found separately at the scene of a crime, is investigated. The phenomenon of tandem bullets has been studied to evaluate the physical evidence. The presence of deep indentations of propellant particles on the exposed lead base cavity, along with patches of striations on the inner periphery of the cavity, have been found to be useful physical evidence to conclude that the bullet had moved in tandem and was a lodged bullet. An outward protrusion of the base acts as corroborative physical evidence that the bullet was the striking bullet.

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20

Glukhikh, I. V., S. S. Polikarpov, S. V. Frolov, A. S. Volkov, and V. V. Privezentsev. "Cooling of silver bullet laser diode submodules." Technical Physics 55, no. 6 (June 2010): 855–59. http://dx.doi.org/10.1134/s1063784210060186.

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21

Merzbacger, Eugen, William C. Meecham, Isaac Greber, David C. Nobes, Giacinto Scoles, James M. Daniels, and Daniel Kleppner. "‘Nibbling the Bullet’: Tenure, Mandated Retirement, Options." Physics Today 51, no. 10 (October 1998): 11–114. http://dx.doi.org/10.1063/1.882386.

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22

Yaxin, ZHANG, XU Hua, LIU Renggui, and LI Wanmin. "Design and test of bullet shell counter." Journal of Physics: Conference Series 1654 (October 2020): 012110. http://dx.doi.org/10.1088/1742-6596/1654/1/012110.

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23

Izadi, Ehsan, and Adam Bezuijen. "Simulating direct shear tests with the Bullet physics library: A validation study." PLOS ONE 13, no. 4 (April 19, 2018): e0195073. http://dx.doi.org/10.1371/journal.pone.0195073.

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24

Wei, Hengzheng, Weinong Wang, Xiaolin Wang, and Yiyi Li. "Bullet signature measurement with chromatic confocal sensor." Applied Optics 59, no. 22 (July 27, 2020): 6594. http://dx.doi.org/10.1364/ao.396273.

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25

Jain, Megha, Manju, Pargam Vashishtha, Govind Gupta, Anil Kumar Sinha, Mukul Gupta, Ankush Vij, and Anup Thakur. "Mechanistic insights into defect generation and tuning of optical properties in Zn1−x Fe x Al2O4(0.01 ≤ x ≤ 0.40) nanocrystals." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 76, no. 5 (August 15, 2020): 757–68. http://dx.doi.org/10.1107/s2052520620009130.

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The correlation of several defects and optical and magnetic properties with Fe content in Zn1−x Fe x Al2O4 (0.01 ≤ x ≤ 0.40) nanocrystals has been scrutinized through X-ray diffraction, O K-edge X-ray absorption near-edge structure, FT–IR, diffuse reflectance, photoluminescence and electron spin-resonance spectroscopies, and vibrating sample magnetometry. Increasing Fe content causes elongation in the octahedral units of the lattice, accompanied by distortion in the octahedral coordination. Fe introduces non-radiative centres in the forbidden gap, thereby tuning the band gap from 4.37 to 3.88 eV and eliminating emission in the visible region. Zn vacancies are found to tail off, while {\rm Fe}_i^{\bullet \bullet \bullet}, {\rm Al}_{\rm Zn}^\bullet and FeAl × antisite defects increase in concentration with increasing Fe content. Inhomogeneous broadening of spin-resonance signals infers strong spin-lattice interactions of Fe3+ ions at distorted octahedral and non-symmetric tetrahedral sites. A transition is observed from paramagnetism to superparamagnetism at higher Fe concentrations. A visual colour change from pearly white to orange–brown is observed in Zn1−x Fe x Al2O4 nanocrystals with increasing Fe content, revealing its potential candidature for pigments in the paint and dye industries.

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26

Wu, S., H. Xu, Y. Xian, Y. Lu, and X. Lu. "Propagation of plasma bullet in U-shape tubes." AIP Advances 5, no. 2 (February 2015): 027110. http://dx.doi.org/10.1063/1.4908005.

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27

Ratna S, Dwi, Budi Setyono, and Tyara Herdha. "Bullet Image Classification using Support Vector Machine (SVM)." Journal of Physics: Conference Series 693 (February 2016): 012009. http://dx.doi.org/10.1088/1742-6596/693/1/012009.

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28

Simsek, Ece, and Mehmet Akif Kilic. "Magic ferritin: A novel chemotherapeutic encapsulation bullet." Journal of Magnetism and Magnetic Materials 293, no. 1 (May 2005): 509–13. http://dx.doi.org/10.1016/j.jmmm.2005.01.066.

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29

Wu, S., X. Lu, and Y. Pan. "On the mechanism of acceleration behavior of plasma bullet." Physics of Plasmas 21, no. 7 (July 2014): 073509. http://dx.doi.org/10.1063/1.4890490.

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30

Zhou Bo-Zhen, Xu Si-Liu, and Cheng Zheng-Ze. "Transmission characteristics of bullet in Kummer-Gauss optical lattice." Acta Physica Sinica 62, no. 8 (2013): 084210. http://dx.doi.org/10.7498/aps.62.084210.

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31

Yambe, Kiyoyuki, Seiya Masuda, and Shoma Kondo. "Driving Force of Plasma Bullet in Atmospheric-Pressure Plasma." Journal of the Physical Society of Japan 87, no. 6 (June 15, 2018): 064501. http://dx.doi.org/10.7566/jpsj.87.064501.

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32

Zhang, Chengqing, Huiyuan Wang, Pengjun Zhang, Shuhua Gao, and Hao Xiong. "CFD Simulation of a Finned Smart Bullet with Microactuator." Journal of Physics: Conference Series 1064 (July 2018): 012021. http://dx.doi.org/10.1088/1742-6596/1064/1/012021.

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33

Yosua, Ricky, Ahmad Fauzan, Kistiani Kistiani, and Irnin Agustina Dwi Astuti. "Aplikasi KALFIS (Kalkulator Fisika) berbasis matlab untuk membantu analisis eksperimen fisika." Navigation Physics : Journal of Physics Education 1, no. 2 (January 16, 2020): 59–62. http://dx.doi.org/10.30998/npjpe.v1i2.201.

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The purpose of this research is to produce the MATLAB-based physics Calculator application to help analyze physics experiments on the concept of mechanics. With the application of Physics calculator the student will easily analyze the physics experiments quickly and valid. The stage of the implementation consists of the preparation, the research is only in the stage of making the product is a calculator physics application. The results indicated by the KALFIS application can work well proved to be able to analyse and calculate the concepts of mechanics such as GLB, GLBB, and bullet motion.

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34

Gonzalez-Badillo, Germanico, Hugo I. Medellin-Castillo, Theodore Lim, James M. Ritchie, Raymond C.W. Sung, and Samir Garbaya. "A new methodology to evaluate the performance of physics simulation engines in haptic virtual assembly." Assembly Automation 34, no. 2 (April 1, 2014): 128–40. http://dx.doi.org/10.1108/aa-05-2013-046.

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Purpose – In this study, a new methodology to evaluate the performance of physics simulation engines (PSEs) when used in haptic virtual assembly applications is proposed. This methodology can be used to assess the performance of any physics engine. To prove the feasibility of the proposed methodology, two-third party PSEs – Bullet and PhysXtm – were evaluated. The paper aims to discuss these issues. Design/methodology/approach – Eight assembly tests comprising variable geometric and dynamic complexity were conducted. The strengths and weaknesses of each simulation engine for haptic virtual assembly were identified by measuring different parameters such as task completion time, influence of weight perception and force feedback. Findings – The proposed tests have led to the development of a standard methodology by which physics engines can be compared and evaluated. The results have shown that when the assembly comprises complex shapes, Bullet has better performance than PhysX. It was also observed that the assembly time is directly affected by the weight of virtual objects. Research limitations/implications – A more comprehensive study must be carried out in order to evaluate and compare the performance of more PSEs. The influence of collision shape representation algorithms on the performance of haptic assembly must be considered in future analysis. Originality/value – The performance of PSEs in haptic-enabled VR applications had been remained as an unknown issue. The main parameters of physics engines that affect the haptic virtual assembly process have been identified. All the tests performed in this study were carried out with the haptic rendering loop active and the objects manipulated through the haptic device.

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35

Kim, Youngsik. "Design and Performance Profiling of Multi-Rigid-Body Game Characters using Bullet Physics Engine." Korean Society for Computer Game 29, no. 2 (June 30, 2016): 37–45. http://dx.doi.org/10.21493/kscg.2016.29.2.37.

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36

Babaeva, Natalia Yu, George V. Naidis, Vladislav A. Panov, Ruixue Wang, Shuai Zhang, Cheng Zhang, and Tao Shao. "Plasma bullet propagation and reflection from metallic and dielectric targets." Plasma Sources Science and Technology 28, no. 9 (September 6, 2019): 095006. http://dx.doi.org/10.1088/1361-6595/ab36d3.

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37

Reuter, S., J. Winter, S. Iseni, S. Peters, A. Schmidt-Bleker, M. Dünnbier, J. Schäfer, R. Foest, and K.-D. Weltmann. "Detection of ozone in a MHz argon plasma bullet jet." Plasma Sources Science and Technology 21, no. 3 (May 16, 2012): 034015. http://dx.doi.org/10.1088/0963-0252/21/3/034015.

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38

Nakai, Taketoshi. "Measurement and Analysis of Impulsive Noise from Bullet Trains." IEEE Transactions on Electromagnetic Compatibility 28, no. 4 (1986): 193–203. http://dx.doi.org/10.1109/temc.1986.4307290.

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39

Jeon, Jae-Kun, and Jong-Ki Kim. "Track analysis of a synchrotron X-ray photoelectric nanoradiator by in situ fluorescence imaging of reactive oxygen species: comparative study of gold and iron oxide nanoparticles." Journal of Synchrotron Radiation 25, no. 6 (September 20, 2018): 1768–73. http://dx.doi.org/10.1107/s1600577518011396.

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The emission of fluorescent X-rays and low-energy electrons by mid-/high-Z nanoparticles upon irradiation with either X-ray photons or high-energy ion beams is referred to as the nanoradiator effect (NRE). A track analysis of NRE was performed using reactive oxygen species (ROS) gels, to which macrophages containing gold nanoparticles (AuNPs) were attached, together with single-cell irradiation of the intracellular nanoparticles from a microbeam of synchrotron X-rays, and the range and distribution of ^\bulletOH and O2^{ \bullet - } produced were compared with those of the Fe-nanoradiator by magnetite nanoparticles (FeONP, Fe3O4). The Au-nanoradiator generated ROS fluorescence to a greater depth and wider angle with respect to the incident X-rays than that of the Fe-nanoradiator. The ROS-oxidant fluorescence intensity ratios of ^\bulletOH to O2^{ \bullet - } were different for the AuNPs and FeONPs, reflecting different relative yields of electrons and fluorescent X-rays from NRE. In the region immediately (<100 µm) below the irradiated cell, ^\bulletOH-radicals were distributed mainly along two or three tracks in the depth direction in the FeONP- or AuNP-ROS gel. In contrast, O2^{ \bullet - } was scattered more abundantly in random directions in the AuNP-ROS gel than in the FeONP-ROS gel. Track analysis of X-ray photoelectric nanoradiator radiation showed a different range of dose distribution and relative emission compositions between Au- and Fe-nanoradiators, suggesting more extensive damage beyond a single cell containing AuNPs than one containing FeONPs.

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40

Jovanoski, Zlatko. "Light bullet formation in a cubic-quintic nonlinear medium." Journal of Modern Optics 48, no. 5 (April 2001): 865–75. http://dx.doi.org/10.1080/09500340108230958.

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41

Williams, Matthew O., Colin W. McGrath, and J. Nathan Kutz. "Light-bullet routing and control with planar waveguide arrays." Optics Express 18, no. 11 (May 18, 2010): 11671. http://dx.doi.org/10.1364/oe.18.011671.

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42

Zinovyev, Andrey Yu, Alexander N. Gorban, and Tatyana G. Popova. "Self-Organizing Approach for Automated Gene Identification." Open Systems & Information Dynamics 10, no. 04 (December 2003): 321–33. http://dx.doi.org/10.1023/b:opsy.0000009554.93005.f6.

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Self-training technique for automated gene recognition both in entire genomes and in unassembled ones is proposed. It is based on a simple measure (namely, the vector of frequencies of non-overlapping triplets in sliding window), and needs neither predetermined information, nor preliminary learning. The sliding window length is the only one tuning parameter. It should be chosen close to the average exon length typical to the DNA text under investigation. An essential feature of the technique proposed is preliminary visualization of the set of vectors in the subspace of the first three principal components. It was shown, the distribution of DNA sites has the bullet-like structure with one central cluster (corresponding to non-coding sites) and three or six flank ones (corresponding to protein-coding sites). The bullet-like structure itself revealed in the distribution seems to be very interesting illustration of triplet usage in DNA sequence. The method was examined on several genomes (mitochondrion of P.wickerhamii, bacteria C.crescentus and primitive eukaryot S.cerevisiae). The percentage of truly predicted nucleotides exceeds 90%.

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43

Karakas, Erdinc, and Mounir Laroussi. "Experimental studies on the plasma bullet propagation and its inhibition." Journal of Applied Physics 108, no. 6 (September 15, 2010): 063305. http://dx.doi.org/10.1063/1.3483935.

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44

Harrell, J. W., Lloyd Junkin, and Danny Whitcomb. "A photogate timer for measuring the speed of a bullet." American Journal of Physics 55, no. 9 (September 1987): 856–57. http://dx.doi.org/10.1119/1.15013.

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45

Ma, Huangping, Peng Chen, Haibo Shi, and Jiajun Zhao. "Measurement of Bullet Velocity Parameter from High-speed Sequential Images." Journal of Physics: Conference Series 1827, no. 1 (March 1, 2021): 012027. http://dx.doi.org/10.1088/1742-6596/1827/1/012027.

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46

Oh, Jun-Seok, James L. Walsh, and James W. Bradley. "Plasma bullet current measurements in a free-stream helium capillary jet." Plasma Sources Science and Technology 21, no. 3 (May 29, 2012): 034020. http://dx.doi.org/10.1088/0963-0252/21/3/034020.

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47

Kim, Sun Ja, T. H. Chung, and S. H. Bae. "Striation and plasma bullet propagation in an atmospheric pressure plasma jet." Physics of Plasmas 17, no. 5 (May 2010): 053504. http://dx.doi.org/10.1063/1.3400220.

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48

Shao, Xian-Jun, Guan-Jun Zhang, Ya-Xi Li, and Gui-Min Xu. "Behaviors of Plasma Bullet Propagation and Effects of Gas Flow Rate." IEEE Transactions on Plasma Science 39, no. 11 (November 2011): 2336–37. http://dx.doi.org/10.1109/tps.2011.2157944.

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49

Guangsup Cho, Eun-Ha Choi, and Han Sup Uhm. "Plasma Bullet as a Plasma Diffusion Wave-Packet in Plasma Jets." IEEE Transactions on Plasma Science 41, no. 6 (June 2013): 1635–43. http://dx.doi.org/10.1109/tps.2013.2261323.

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50

Cheong, Ying-Wai, Ka-Lun Wong, Boon Seng Ooi, Tau Chuan Ling, Fitri Khoerunnisa, and Eng-Poh Ng. "Effects of Synthesis Parameters on Crystallization Behavior of K-MER Zeolite and Its Morphological Properties on Catalytic Cyanoethylation Reaction." Crystals 10, no. 2 (January 23, 2020): 64. http://dx.doi.org/10.3390/cryst10020064.

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MER-type zeolite is an interesting microporous material that has been widely used in catalysis and separation. By carefully controlling the synthesis parameters, a procedure to synthesize K-MER zeolite crystals with various morphologies has been developed. The silica, water and mineralizer content in the synthesis gel, as well as crystallization time and temperature, have a profound impact on the crystallization kinetics, resulting in zeolite solids with various degrees of crystallinity, crystal sizes and shapes. K-MER zeolite crystals with nanorod, bullet-like, prismatic and wheatsheaf-like morphologies have been successfully obtained. The catalytic performances of the K-MER zeolites in cyanoethylation of methanol, under novel non-microwave instant heating, have been investigated. The zeolite in nanosize form shows the best catalytic performance (94.1% conversion, 100% selectivity) while the bullet-like zeolite gives poorest catalytic performance (44.2% conversion, 100% selectivity).

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