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Multiscale design and biomechanical evaluation of porous spinal fusion cage to realize specified mec
Background Dense titanium(Ti)fusion cages have been commonly used in transforaminal lumbar interbody fusion.However,the ......
We applied periodic density-functional theory to investigate the adsorption of C2H2 on the Cu/Pt bimetallic and monometa......
Most of the chemical reactions used to produce the molecules and materials that our societies need——for example,in the......
In the radiant section of cracking furnace,the thermal cracking process is highly coupled with turbulent flow,heat trans......
Fabrication of a nano-sized ZSM-5 zeolite with intercrystalline mesopores for conversion of methanol
Carbon deposition during methanol to hydrocarbons leads to the quick deactivation of ZSM-5 catalyst and it is one of the......
Is there such a thing as too much data? If not,who is going to be responsible for selecting what we keep? There is only ......
Studies on Kinetic Properties of Active Oxygen on the Surfaces of V_2O_5/SiO_2, V_2O_5-MoO_3/SiO_2 a
Applying the TPD-MS with a high sensitivity of determination, the TPD spectrum of surface oxygen of V2O5/SiO2, V2O5-MoO......
The cyclic voltammetry, open current potential-time curve after potentiostatic electrolysis, the currenttime curve at p......
An optimization method is proposed for designing an LED freeform lens which produces a uniform circular pattern with hig......
A novel,rapid and simple CdTe quantum dots (QDs)based technology platform was established for selective and sensitive de......
AIM:To minimize the complications and mortality and improve the survival in primary liver cancer (PLC) patients undergoi......
[Objective] To establish methods for determining contents of total flavonoids and rutin in Ephorbia helioscopia L.from C......
Syntheses,Structures and Coordination Behavior of Central Hydroxyl Group Containing Polydentate Liga
Two central hydroxyl group containing Schiff base type ligands L1 and L2 as well as their metal complexes L12CuCl23H2O a......
Alkylamino-5, 6, 7, 8-tetrahydrobenzothieno [2, 3-d] pyrimidin-4(3H)-ones 7 weresynthesized by a new selective synthetic......
(S)-4-Phenyl-2-oxazolidinone imprinted polymers were prepared by using methacrylic acid (MAA) as the functional monomer,......
A New Reaction for Kinetic Spetrophotometric Determination of Trace Ruthenium——Catalytic Oxidation o
A sensitive catalytic spectrophotometric method for the determination of ruthenium (III) has been devel- oped, based on ......
Natural 15N abundance method was used in this study to investigate the N2-fixing capacities of several herbaceous and sh......
Efficient nanostructured heterogeneous catalysts by electrochemical etching of partially crystallize
Although an increasing interest has been attracted to further develop heterostructured catalysts from metallic glasses(M......
制备了3种内外表面修饰不同官能团的硅基介孔材料,采用傅立叶变换红外光谱对修饰后材料的官能团进行了表征,并采用高效液相色谱对......
采用液液萃取(LLE)法,以二氯甲烷—正己烷(40:60,V:V)混合液对水中7类27种半挥发性有机污染物(SVOCs)进行提取、浓缩前处理,结合气......
We suggest a method of multi-objective optimization based on approximation model for dynamic umbilical installation. The......
The aim of liver transplantation(LT) for hepatocellular carcinoma(HCC) is to ensure a rate of disease-free survival simi......
The implementation of energy balanced routing is an effective way to prolong the lifetime of wireless sensor networks (W......
Inertia match of the parallel manipulator means the ratio of the inertial load of the parallel manipulator converted to ......
Glucose oxidase as a blocking agent-based signal amplification strategy for the fabrication of label
An effective electrochemical signal amplification strategy based on enzyme membrane modification and redox probe immobil......
为探究钛基柱撑黏土（titania pillared interlayeredclays，Ti-PILC）催化剂低温选择性催化还原NO。的活性，实验通过浸渍法制各了MnOx．CeO......
目的 结合纳米技术,构建一种可以快速比色检测肠致病性大肠埃希菌的适配体生物传感器.方法 对已有的适配体序列进行截短设计,将截......
The anti-icing and de-icing methods of insulator strings are still under laboratory studies while many technologies are ......
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为了提高阻挡层化学机械抛光(CMP)的去除速率选择比,提出一种添加剂二乙烯三胺五乙酸五钾(DTPA-5K),研究它在含双氧水(H2O2)的抛光......
轨道交通高架车站站房布设已成为制约建筑规模减量、城市景观协调、建设成本控制的关键,如何因地制宜地判选车站建筑与设备用房的......
为使产品概念设计达到最优化设计的目的,提出了一种基于隐马尔可夫模型的模块化产品功能模块的实例优化选取方法。通过定义产品功......
通过对果瘿蜂（Dryocosmuskuriphilus）危害程度传统指标的研究分析，经严密论证，提出了能准确反映栗瘿蜂对栗树危害程度的新指标为枝均栗......
讨论了遗传算法在预测规则挖掘中的应用,包括适应度函数的设计,选择、交叉算法的调整等....
目的 观察经皮层入路选择件海马含仁核切除术对颞叶癫痫的治疗效果及风险。方法 20例单侧海马硬化性顽崮性颞叶内侧癫痫患者，采用颢......
对引进美国的湿地松（Pinustaeda）和火炬松（Pinuselliottii）的生长状况，与当地马尾松（Pinussmassoniana）进行对比分析。第15年试验测定结果......
从炉管使用工况分析其对材质的性能要求，介绍了ZG45cr28Ni48w5Si2的化学成分、机械性能、宏观组织和微观组织，实践证明该材料的可靠......
在分析持续集成理论的基础上结合Web项目的具体实际，使用TeamCity将Web自动化测试、代码规范检查、单元测试覆盖率检查等多种机制集......
热煤气净化是ＩＧＣＣ、ＭＣＦＣ发电技术的关键，热煤气含有（２￣３）×１０＾－３的氨，文章介绍了氨催化分解的反应机理，选择金属催化剂的经验法则及国内、国外的研究......
对毛白杨优良无性系进行了染色体检查和花粉观察，结果表明：（１）在毛白杨自然花粉中有形态较大的大花粉粒的存在，大花粉粒染色体计数为１ｎ＝２ｘ＝３８，证明......
针对施工单位在选择使用沥青混合料搅拌设备导热油炉中存在的问题,提出合理选择使用导热油炉。......
本文以bis[(3-甲氧基硅)丙基]乙二胺为功能单体，铅离子为模板分子，正硅酸乙酯为交联剂，无水乙醇与二甲基甲酰胺混合液为络合溶剂，十二......
应用轮回选择方案对玉米（ZeaMaysL.)沈缩HC2群体进行改良，将得到的全姊妹FC3群体与CoHC2群体体种植于同一环境中，根据调查考种植于同......
基于灰色理论提出产品选择数据挖掘的灰色动态建模方案和灰关联方案，并给出了应用实例．为产品选择提供了一种新的决策方法．......
磁力电解复合抛光工艺在难加工材料的精加工中被广泛使用，电解液的选配是影响该工艺的一个重要因素。文中对磁力电解复合抛光工艺中......
经过２８个玉米杂交组合１０个农艺性状进行遗传相关分析，结果得出，除选择中等株高与穗位高两生育性状外，对穗部性状的选择，以穗长、穗重、行粒......
红鳍原鲌是太湖常见鱼类之一.对2004年11月到2005年10月的样本（236尾）分析结果表明：在食物组成上,红鳍原鲌主要摄食枝角类和小型鱼类,......
国内外在海拔2000m以下高海拔地区已建设投运多回500kV输电线路,具有丰富的设计、运维经验。但在海拔2000m以上的高海拔地区,500kV......
制备了一系列不同投料比例（Mo／P）摩尔比为0．6～2．6）的磷化钼催化剂，研究了催化剂对乙腈选择加氢反应的催化性能．结果表明，在初始Mo／P〉1．0时，催化......
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