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In recent years,synthesis of one-dimensional(1D)metal nanostructures,such asnanowires,nanobelts,and nanotubes has attrac......
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目的探讨戴角膜塑形镜者近距离用眼时长对眼轴长度的影响。方法回顾性临床研究。纳入2018年1月至2020年1月在郑州大学第一附属医院......
目的通过系统检索、评价与总结关于成年人鼻胃管留置长度测量方法的研究证据，为临床护理实践提供依据。方法计算机检索Cochrane Lib......
【Abstract】News headline is an important part of news discourse, and a symbol to premise the success of news production......
Chinese EFL learners’ performance in English pronunciation is an indication of both positive andnegative aspects of pre......
The flow stress behavior of grade G-105 steel(API standard) for oil drill pipe in hot compressive deformation was studie......
历年的高考英语试题都有对倍数用法的考查，本文对倍数的表达法加以归纳，以期对广大考生有所帮助。......
NaCl-H2O is the most fundamental ternary system in geology. Until now, the measurements of electrical conductivity of Na......
Road maintenance work brings costs to the government and delays to users. The setting up of work zones often leads to se......
The effects of laser energy and different shock spaces and shock times on the TA2 titanium sheet deformation are investi......
Objective To investigate the association between interleukin(IL)-1β-511(C/T)gene polymorphism and early diabetic kidney......
Two-dimensional(2D)slab photonic crystal waveguides(PCWGs)on silicon-on-insulator(SOI)wafer were designed and fabricated......
In the wire bonding process of microelectronic packaging,heat affect zone(HAZ)is an important factor governing the loop ......
This paper studies the two-electron total energy and the energy of the electron-electron interaction by using a variatio......
In order to improve the test accuracy of CCD,a new type of CCD device is proposed.Several columns(rows) of photoelectric......
A novel polarization splitter based on photonic crystal fibers(PCFs) with three cores of high birefringence is proposed.......
A high power semiconductor laser diode with a tapered and cascaded active multimode interferometer (MMI) cavity was desi......
With the aim to enhance the energy conversion efficiency of the rainbow shape piezoelectric transducer, an analysis mode......
Vertical InAs/GaAs nanowire (NW) heterostructures with a straight InAs segment have been successfully fabricated on Si (......
All-fiber signal combiner is a key component for augmenting the fiber laser power. Presently the reported 7 × 1signal c......
A novel photonic crystal fiber(PCF) polarization filter is designed and fabricated; it consists of two large apertures c......
The contact-size-dependent characteristic of cutoff frequency f_T in bottom-contact organic thin film transistors(OTFTs)......
This paper summarizes the design equations for local scour depth around bridge abutments as proposed by different invest......
目的探究术前模拟训练运用于肠梗阻手术患者中对手术指标及术后感染的影响。方法选取无锡市第二人民医院2015年11月至2016年11月收......
目的探讨高度近视眼的屈光度(平均等效球镜度)、中央角膜厚度、眼压和眼轴四者之间的关系。方法收集2016年4月至2017年8月于本院眼......
目的观察少年佩戴角膜塑形镜控制近视发展的效果。方法回顾性分析2015年1月至2016年12月该院由于屈光参差单眼佩戴角膜塑形镜者64......
Abstract In order to explore the application effect of Oldenlandia polysaccharides (OPS) in the production of AA broiler......
The Impact of Climatic and Environmental Factors on n-Alkanes Indices in Southwestern Tibetan Platea
n-Alkanes are widely used in paleoenvironmental reconstructions.However,our understanding of changes in the distribution......
Roles of tillage erosion and water erosion in the development of within-field spatial variation of surface soil properti......
Air cannon is a kind of de-clogging device which produces impulse force by instantly releasing the compressed air deposi......
At present,the thrust of an anti-slide pile can be worked out with some calculation methods. However,the resistance in f......
梳形共聚物超塑化剂的效率和效能在很大程度上取决于侧链长度。然而,已有研究主要集中在共聚物侧链长度对吸附和分散的影响。事实......
In this paper we will give the statistical characteristics and general principles of an optimal structure of the Interne......
AIM: To study the enzyme activity of CYP2C18 variant with exon 5 skipped. METHODS: A full length CYP2C18 cDNA X1 and an ......
An experimental study of vertical gas conveying of Geldart-D powder as a dilute phase is performed in a pipe of length ......
Font storage requirement is a crucial problem in developing Chinese typesettingsystem.A unique data compression techniq......
The mold-filling ability of alloy melt in squeeze casting process was evaluated by means of the maximum length of Archim......
In this paper, 0.15-μm gate-length In0.52Al0.48As/In0.53Ga0.47As InP-based high electron mobility transistors(HEMTs) ea......
Diamond films were prepared by electron-assisted chemical vapor deposition(EACVD)system,and the thermal difffusivities ......
Crimping is used in production of large diameter submerged-arc welding pipes. Many researches are focused on crimping in......
Nitridation process effect on crystal structure and magnetic properties of TbCu_7-type SmFe_9 alloys
The effect of nitridation process,i.e.temperature and time,on crystal structure and magnetic properties of SmFe9Nx inter......
In this paper,the dynamic response of undersea -+towed systems is numerically simulated.Atwo body towed system is especi......
Highway maintenance,often requiring lane closure,is very expensive in terms of the costs associated with transportation ......
A general construction of inter-group complementary (IGC) codes is proposed based on perfect complementary (PC) codes,in......
Field studies were conducted in the Jiuwantan Forest Farm,Huadu District of Guangzhou City from June 2004 to March 2006 ......
Production of metallic iron nanoparticles in a baffled stirred tank reactor: Optimization via comput
The aim of this work is to optimize iron nanoparticle production in stirred tank reactors equipped with two classical im......
This paper intends to introduce the active vision system with autonomous robot competition in the background. It presen......
