leng相关论文
Laser-induced fabrication of highly branched CuS nanocrystals with excellent near-infrared absorptio
We report on the successful fabrication of highly branched Cu S nanocrystals by laser-induced photochemical reaction.Sur......
Cytotoxic activity and DNA binding of naphthalimide derivatives with amino acid and dichloroacetamid
A series of novel naphthalimide derivatives modified by amino acids and their dichloroacetamide derivatives at the 3-pos......
Taking into consideration short-atomic-range interactions and anharmonic effects,we calculate the thermal expansion coef......
Operation of 808-nm laser diode pumping at elevated temperature is crucial to many applications. Reliable operation at ......
Based on the equilibrium plate model of the distillation type,a set of theoretical equations has been deduced for the i......
A 3-dB paired interference (PI) optical coupler in silicon-on-insulator (SOI) based on rib waveguides with trapezoidal c......
Geochemical Characteristics of Oilfield Waters fromthe Turpan Depression, Xinjiang and Their Petrole
This paper, based on the fundamental inorganic chemical and organic geochemical characteristics of oilfield waters from ......
Comparison for the carrier mobility between the III–V nitrides and AlGaAs/GaAs heterostructure field
Using the measured capacitance–voltage curves of Ni/Au Schottky contacts with different areas and the current–voltage ......
The nine point circle is a geometrical concept that links some of a triangle’S parts that one would initially feel coul......
The core of thermoelectric conversion device is the thermocouples which are constituted with P-type and N-type thermoele......
The interfacial effects on flow and heat transfer on micro/nano scale are discussed in this paper. Dif- ferent from bulk......
MOLECULAR WEIGHT DISTRIBUTION OF AB, A, TYPE CONDENSATION POLYMERS OBTAINED BY ADDING AB MONOMERS IN
The molecular weight distribution (MWD) and arm length distribution of AB, Ar type condensation polymers obtained by add......
Bauschinger and size effects in thin-film plasticity due to defect-energy of geometrical necessary d
The Bauschinger and size effects in the thinfilm plasticity theory arising from the defect-energy of geometrically neces......
In this paper, an optimal resource allocation strategy is proposed to enhance traffic dynamics in complex networks. The ......
Characterization of pavement texture by means of height difference correlation and relation to wet s
Driving safety is of utmost importance in the automobile industry and is acknowledged by the introduction of the tire we......
On December 13th,2007 a ceremony for the commencement of the China-Kazakhstan Oil Pipeline Phase Ⅱ was held in Aktobe ......
Study on productivity of horizontal wells with segmental perforation based on pseudo steady-state fl
Segmental perforation is widely used for horizontal wells. However,the flow of fluid in porous media is a complex proble......
DF-3 Catalyst for Dehydrogenation of Long-Chain Alkanes Developed by CAS Dalian Institute of Chemica
CAS Dalian Institute of Chemical Physics has successfullydeveloped the third-generation DF-3 catalyst for dehydro-genati......
The distribution of a magnetic field over an inductor used for sheet castings has been investigated experimentally.With ......
Lake Qinghai is located in the northeastern margin of qinghai-tibet plateau.It’s very sensitive to climate change.Throu......
A method for calculating the phase shift of a dielectrically loaded circular waveguide with smallellipticity is describ......
: The sequences which consist of any segment of a chaos sequence are called as C-sequences. These sequences could be us......
Weak key analysis is a key issue in the design of chaotic ciphers.While most of the existing research focusing on the de......
Based on the optimization and improvement for the construction method of systematically constructed Gallager (SCG) (4, k......
Genetic analysis for brix weight per stool and its component traits in sugarcane (Saccharum officina
Brix weight per stool (BW) of sugarcane is a complex trait, which is the final product of a combination of many componen......
Disparity in the root morphology of six rice(Oryza sativa L.) genotypes varying in potassium(K) efficiency was studied w......
In this study,32 Luffa germplasm resources were collected from various regions in Zhejiang Province as experimental mate......
针对调整池对弯道水流特性影响问题,以试验研究为基础,结合数理统计和数值模拟方法,引入流态改善效果评价指标和分析典型工况,研究......
介绍安钢拟建1550mm冷轧工程连续退火机组活套的构成及机组主要技术参数，对各活套套量进行了分析和计算，确定安全余量，从而验证连续退......
根据岩石学、岩石化学以及锆石U－Pb同位素测年等资料分析，冷湖岩岩体为一印支期发育的S型花岗岩类岩石，可以归属同碰撞期逆冲－褶皱型系......
目的 对调查深圳市龙岗区噪声企业工人听力损失的评价指标进行探讨。方法 采用横断面流行病学调查方法，对深圳市龙岗区6家企业的稳......
目的：探讨重症监护病房（ICU）多药耐药菌（MDROs）感染与非MDROs感染患者的构成特点及其在病情、住院费用和转归等方面的差异，为临床资料提......
个体大小是渔业资源种群的重要结构特征,一般研究中采用平均个体体长或平均体质量等分析指标,难以充分反应具有多年龄结构和个体生......
通过外观检查和管径测量及综合试验,对嘉兴发电有限责任公司1号炉高温炉管进行了全面的状态检测与剩余寿命评估,根据评估结果提出......
在不同的惯性系中,对同一物体的长度测量,或对同一事件的时间间隔的测量,应用洛仑兹坐标变换和逆变换具有相同的结果。......
通过用不同浓度的NaCl胁迫，测定了补血草种子的发芽率、相对发芽率、发芽势、发芽指数、相对盐害率、叶长叶宽、芽长根长等指标。结......
常规育苗中如果不分苗,根系非常不发达。但是只要改变培养土的配方,在培养土中加入适量碳化的稻谷壳,就可以使辣椒苗的根数显著增......
基于东海大桥长期健康监测数据,采用伸缩缝位移监测数据计算主航道桥桥长变化量,并分析了桥长变化量与环境因素中温度和风荷载之间......
目的对内镜下十二指肠乳头括约肌切开术（endoscopic sphincterotomy，EST）或开腹手术治疗胆总管结石进行卫生经济学评价。方法根据病案......
[目的]通过对深划特区369名噪声作业工人听力损失情况的调查，了解该地区噪声环境下作业对劳动者听力的影响。[方法]采用横断面调查......
重庆市奉节县挖断村滑坡规模巨大，滑坡体长180～250 m，滑坡体厚15～35 m，剩余下滑力达5337 kN/m，采用了前排全长后排埋入式的新型组合抗滑......
通过研究特定条件下ZFG5600/16.5/26液压支架立柱升架工作特性,应用AMESim液压系统仿真软件建立立柱控制回路模型,分析在有无周期......
基于生成非结构化网格的Delaunay三角形化方法,应用三次三角Bernstein-Bézier曲面来控制网格点的分布情况.对于给定边界,利用......
毛脉树胡椒(Piper hispidnervum)扦插繁殖试验表明:用1～2年生树的主干和侧枝带叶插条(生根率分别为90%～95%、85%～88%);3～5月扦插(生根......
针对大庆榆树林油田树322井区油藏地质和现有开发井网与裂缝方位,利用ECLIPSE油藏模拟软件,进行了多参数下的压裂增产增注的油藏模......
目的：运用射击训练仪对小口径步枪的专项技术进行研究,以期能对该项目的技术水平有所提高。方法：18名小口径步枪运动员,进行规定次数......
为提高汉维句子对齐方法的准确率,提出一种分段句子对齐方法。采用词汇信息和长度信息相结合的策略,识别出能作为锚点的一对句子（锚......
应用耦合模理论和传输矩阵法分析了长周期相移光栅的光谱特性,比较了折射率切趾和长度切趾所产生的不同光谱结构,并分析了长度切趾......
用实验研究了普通橡皮筋膜中的滞后现象，结果表明橡皮筋的伸长量和外力的关系不完全满足胡克定律，在外力作用下橡皮筋也存在滞后回著......
