2019-10-10 · Directed evolution has long been a key strategy to generate enzymes with desired properties (e.g., high catalytic activity) through consecutive rounds of diversification and selection (9–11).One of the crucial factors in directed evolution strategies is the development of suitable screening or selection techniques, which would considerably increase the chance of obtaining …
2015-4-20 · The super high rise building (SHRB) in China boomed in 1990s. More and more super high rise steel structure buildings (SHRSSB) have been built after the China first SHRSSB, Shenzhen Developing Center, was built in 1985. The Asia highest building, Shenzhen imperial estate buil-ding (383.95 m), was constructed in 1996. Shanghai World
2021-12-24 · Our innovative, yet consistent portfolio offers products and solutions for a wide range of applications such as mobile broadband infrastructure, radio & TV broadcasting, CO2 lasers & plasma, MRI, particle accelerators, radar & air-traffic control, non-cellular communications, RF cooking & defrosting, RF heating and plasma lighting.
ABB offers a comprehensive range of reliable and high efficiency motors and generators for all applications. ABB has what it takes to help every industry and application reach new levels of efficiency and energy savings even under the most demanding conditions. Combining the best available materials with superior technology, the electric motors ...
2018-2-1 · Main implementers. Special prize. 1. Research and application of dredging intelligent monitoring and computer-aided decision-making system and effective durable machines and tools. China Communications Construction Group, CCCC Shanghai Dredging Co., Ltd., CCCC Tianjin Dredging Co., Ltd., Shanghai Jiaoda Dongwei Science & Technology Co., Ltd.
2019-3-8 · The rapid consumption of fossil fuel and increased environmental damage caused by it have given a strong impetus to the growth and development of fuel-efficient vehicles. Hybrid electric vehicles (HEVs) have evolved from their inchoate state and are proving to be a promising solution to the serious existential problem posed to the planet earth. Not only do HEVs provide …
2021-2-2 · The demands for space solar cells are continuously increasing with the rapid development of space technologies and complex space missions. The space solar cells are facing more critical challenges than before: higher conversion efficiency and better radiation resistance. Being the main power supply in spacecrafts, III-V multijunction solar cells are the main focus …
Recently, many novel thermoelectric materials have been reported with ultra-high performance. However, some of them (e.g., Cu/Ag-based liquid-like materials) possess low thermodynamic stability. Here, we successfully achieve both good stability and high efficiency in a thermoelectric module based on high-performance liquid-like materials through tuning the geometry of the …
2016-6-12 · Vertical integration vs. specialization: a nonparametric conditional efficiency estimate for the global semiconductor industry 13 September 2021 | Journal of Productivity Analysis, Vol. 56, No. 2-3 Indicators and goals for school performance evaluation: a two-stage DEA analysis of the Ideb of municipal public schools
2021-12-8 · A high-performance binary blazed grating coupler (BBGC) on a silicon-on-insulator (SOI) platform for perfectly vertical coupling has been proposed. The period and the etching depth of the grating and the fill factors of the sub-gratings are simulated optimally with manufacturable feature sizes, and the coupling efficiency (CE) is as high as −1.78 dB at 1550 nm with …
2021-12-8 · Publications. Google Scholar Citation data. Most Cited Mathematicians by Years of Ph.D. Degree (based on citation data from MathSciNet). In refereed journals Submitted [212] Shi Jin, Asymptotic-Preserving schemes for multiscale physical problems, Acta Numerica 2022, to apppear. [211] Shi Jin, Zheng Ma and Keke Wu, Asymptotic-Preserving Neural Networks for …
Dongchuan Road, Shanghai 200240, China. *Correspondence to: [email protected] .cn. hotonic technologies have shown a promising way to build high …
2019-7-29 · The purpose of this paper is to provide structural and architectural technological solutions applied in the construction of high-rise buildings, and present the possibilities of technological evolution in this field. Tall buildings …
2020-1-19 · This highly efficient system has made it possible for China to win its all-out people''s war against the virus. General Secretary Xi Jinping takes charge of Covid-19 response.Attaching high importance to Covid-19 prevention and control, Xi Jinping assumed full
2020-7-14 · Two-dimensional Dion–Jacobson (2D D-J) lead-halide perovskite is a cutting-edge material paradigm that has realized high-efficiency photovoltaic applications and synergetic chemical stability. With the addition of the pressure dimension, this material provides a crucial platform for studying both pressure-tailored physical properties and pressure-driven novel …
Presence of an alternative energy source along with the Internal Combustion Engine (ICE) in Hybrid Electric Vehicles (HEVs) appeals for optimal power split between them for minimum fuel consumption and maximum power utilization. Hence HEVs provide better fuel economy compared to ICE based vehicles/conventional vehicle. Energy management strategies are the algorithms …
2021-11-1 · Under the impact of the high-quality-development strategy, 14.7% of primary energy and 61.4% of greenhouse gas emissions will be saved in 2050 compared with the BAU scenario. It can be said that the high-quality-development strategy has remarkable impacts on energy conservation and emission reduction.
This manuscript presents a novel structure of combined integration in the process industry and proposes an efficient method for identifying its parameters. Combined integrating processes are delay-time processes that widely exist in the industry. Conventional identification methods have a low-identification accuracy, a large vibration amplitude of the identification curve, and a poor …
2021-3-8 · Introduction. The discovery of the mode of action of the CRISPR/Cas9 system in 2012 has provided biologists with a useful tool for generating site-specific mutations in genes of interest in living organisms (Jinek et al., 2012; Cong et al., 2013; Mali et al., 2013).The enzymes of several CRISPR systems, including Cas9 and Cas12/Cpf1, have since been used for generating site …
In recent decades, by continuously enhancing the figure of merit ZT of various thermoelectric (TE) materials, solid state TE technology has matured and is on the verge of making an impact in real industrial settings as a promising approach to harvest waste industrial heat and convert it …
2017-3-13 · optimization and energy-loss minimized integration Qihao Zhang,ab Jincheng Liao,a Yunshan Tang,a Ming Gu,a Chen Ming,a Pengfei Qiu,a Shengqiang Bai,*a Xun Shi,a Ctirad Uher*c and Lidong Chen*ad a State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai ...
2021-7-13 · Cosmid. Cosmid vectors, the first generation of high-capacity vectors used in genome research, are hybrids of plasmid and phage λ vector. As such, the cosmid vector encodes cos sequences required for packaging large fragments into the λ capsid and propagates their DNA as a virus or plasmid in the host cell. Since the possibility for cloning large fragments in cosmid …
JEE Power Systems Co., Ltd. As China''s leading solution provider in E-drive system, JEE Power has been the biggest high-end BEV E-drive supplier for 6 consecutive years by the end of 2017. Hefei JEE Intelligent Equipment Co., Ltd. Focusing on the smart equipment industry, JEE Intelligent provides professional and efficient turnkey solutions.