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Abstract A statistical analysis was conducted on the feeding behavior of 106 York breeding pigs. Pearson correlation ana......
High lattice match growth of InAsSb based materials on GaSb substrates is demonstrated.The present results indicate that......
Significant progress was made by the CERN RD39 collaboration in the development of super radiation-hard cryogenic silico......
Monodisperse micron-sized polyacrylamide (PAM) particles with a regular shape have been successfully prepared through di......
We describe the structure and testing of one-dimensional array parallel-optics photo-detectors with 16 photodiodes of wh......
Experiments were conducted to study effect of three kinds of target structures on flyer performance(integrity,planarity ......
Preparation of nanosized hollow silica spheres from Na_2SiO_3 using Fe_3O_4 nanoparticles as templat
Nanosized hollow silica spheres with average diameters from 43 to 70 nm were prepared by removal of Fe3O4 templates with......
Three dimensional shear wave velocity structure of the crust and upper mantle beneath China from amb
We determine the three-dimensional shear wave velocity structure of the crust and upper mantle in China using Green’s f......
Many urban areas are located in regions of moderate seismicity and are subjected to strong wind. Buildings in these regi......
Within the framework of modified Ginzburg-Landau-Devonshire phenomenological theory, a ferroelectric bilayer film with a......
The oxidation behavior of Hastelloy-XR alloy was investigated to obtain the optimum surface condition for corrosion-res......
Debris flows form deposits when they reach an alluvial fan until they eventually stop.However,houses located in the allu......
Fe-6.5wt%Si alloy has excellent soft magnetic properties,but it is hard to be cold-rolled due to appearance of ordered p......
In this paper, a modified shear-lag model is developed to calculate the surface crack density in thermal barrier coating......
Investigations on distributions and fluxes of sea-air CO_2 of the expedition areas in the Arctic Oce
The distributions and fluxes of sea-air carbon dioxide were investigated the first time based on the firsthand data coll......
Fabrication of Micro/Nano-textured Titanium Alloy Implant Surface and Its Infl uence on Hydroxyapati
We put forward a protocolcombining laser treatment and acid etching to obtain multiscale micro/nano-texture surfaces of ......
Deformation modes have strong effects on deformation textures and subsequent annealing textures during hot working of me......
In this study,under conditions of different flow and ice discharge,extensive experiments have been carried out in a 180......
目的 比较手法小切口白内障手术与超声乳化手术对Ⅱ型糖尿病患者黄斑中心凹厚度的影响.方法 56例(56只眼)合并Ⅱ型糖尿病患者的白......
The 13N+p elastic resonance scattering has been studied at the secondary radioactive beam facility of CIAE in inverse ki......
测定５０例风湿性一尖瓣（ＭＶ）狭窄病人的血清脂蛋白（ａ）「Ｌｐ（ａ）」水平，结果显示：ＭＶ狭窄组血清Ｌｐ（ａ）水平显著高于健康对照组，二尖瓣增厚和钙化（ＭＶＴＣ）程度与年龄的血清Ｌｐ（ａ）水......
以三组元层状声子晶体为例,采用一定的中心频率确定各组元的中心波长,以各组元中心波长的倍数为该组元的厚度系数,以不同组元与某......
对带钢热连轧ＡＧＣ系统的两种基本控制方式─ＧＭ方式与Ｘ射线监控方式进行了分析，揭示了它们之间的矛盾及时厚差消除的不利影响，给出了ＡＧＣ弱控制区......
介绍应用探地雷达检测挡土墙厚度的原理及技术，阐述该技术的基本方法及其数据图像处理过程，通过一工程实例检测，表明该技术对挡土墙检......
针对某软土地基工程,进行了沉降量、设排水板与不设排水板时的固结度、固结速率的对比分析.分析表明在一定厚度范围内粘性土土层越......
分析RS6939S、FD7039S新型细纱上销作用机理。并在C18．2tex、CJ18．2tex、CJ29tex、CJ14．6tex及CJ／T60／407．3tex多个品种上进行纺纱对比试......
首先介绍了利用智能结构进行厚壁圆筒振动控制的基本原理,然后具体分析了厚壁圆筒振动智能控制系统的组成,特别对作动器和控制器进......
分析了N型HG面空间电荷层中的表面电势的变化情况,计算了Auger复合寿命及光导器件的探测率,讨论了表面电荷密度、表面附合速率及器......
华北地区经过多年的注采，地下压力体系变得十分复杂，钻完井期间易发生油气水窜，对固井质量影响很大；水泥浆凝固时的体积收缩和水泥浆由......
为了排除RSB-D45C型并条机使用故障,提高生产效率和并条质量,分析换筒后断头缠绕胶辊、粗节多及存在机械波等问题的原因并提出解决......
Thermodynamic processes of ice in three lakes and landfast ice around Zhongshan Station, Antarctica, were observed in 20......
【目的】研究米桑、双果和晚丰三个巴旦木品种的物理特性,进行不同厚度和含水率相关力学特性试验,为巴旦木破壳加工机械的设计提供......
用旋转粘度计研究了改性羧甲基羟丙基纤维素在聚醋酸乙烯乳液中的增稠效应。通过与非离子型羟乙基纤维素及离子型羧甲基纤维素的比......
应用MARC软件对半球形Al-Mg-Sc合金的超塑胀形进行仿真，分析了正反向超塑胀形对于半球形件壁厚分布的影响，以及不同深度的凹模对胀形......
利用MTS测试系统对层压复合材料靶板的准静态侵彻性能进行了试验.考察了Twaron、PVA(TS)、PVA(TP)3种靶板的靶板阻力和穿孔能量与......
根据光心的定义及性质，论证了旋转双曲折射面和反射面都存在光心，并给出了光心的具体位置，在此基础上，进一步研究了旋转双曲面厚透镜的......
文中介绍了对结构较复杂的不同介质的建筑物,采用上部水压爆破、下部控制爆破同时起爆进行拆除,获得了较好的效果.对于同类构筑物......
We suppose that in order to maintain high accuracy of holes and to lower residual stresses after cold expansion of thick......
In the present reserch, a model has been proposed for estimate fracture toughness of Nickel-phosphorus (EN)layers. For t......
对转基因741杨木进行热压缩处理和油浴热处理,以提高其力学性能和尺寸稳定性。结果表明：杨木热压温度160℃、横纹压缩率30%、热压时......
注浆加固作为一种提高围岩力学性质的手段,具有堵水防渗和加固的作用,主要用在IV~V级围岩地段。文中分析了注浆对于围岩参数的影响......
软土层对地下结构的地震反应具有重要影响,以往已对软土地基中规则矩形地铁地下车站结构的地震反应进行过研究,其规律对于复杂截面......
采用激光微细熔覆直写布线的方法在陶瓷基板上制备高密度厚膜导体.导体具有光滑平整的表面、高分辨率(最小线宽30 μm)、高附着强......
分别以月桂酸、肉豆蔻酸、棕榈酸、硬脂酸、油酸和十一烯酸为原料，与二乙醇胺反应，合成１：１型烯醇酰胺。分别以椰子油、橄榄油和蓖麻油为......
聚合物压裂液冻胶体系在压裂施工过程中会在裂缝中和裂缝壁留下残渣造成储层伤害,降低聚合物浓度可以减轻这种伤害,但又会遇到冻胶......
利用低温超高真空扫描隧道显微术研究了在NiAl（110）和Cu-Al（111）合金衬底上氧化生长的超薄氧化铝膜的畴界和厚度。在这两种氧化铝薄膜......
通过水槽试验测定混凝土联锁排的波浪动水压力，并选择椭圆余弦波理论进行计算模拟。根据混凝土联锁排的受力分析，建立动力平衡方程，推......
虽然苏鲁变质带北部的超高压变质岩石的类型及其特征与大别山超高压带相似，但是要划出与大别山相对应的岩石构造单元是困难的。详细......
Rheumatoid arthritis is a chronic autoimmune inflammatory disease associated with increased cardiovascular risk and high......
中子喷射砼测厚仪利用中子散射法能无损、快速地测量喷射砼的厚度。与常规的钻孔法相比，可提高工效数十倍。......
