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基于密度泛函理论的第一性原理,对C、Zn单掺及共掺InI体系的电子结构与光学性质进行研究。结果表明:掺杂后体系发生了晶格畸变,但并未......
AIM: To examine the incidence of hepatitis E(HepE) in individuals with acute liver injury severe enough to warrant treat......
A novel hydrophilic polystyrene-based beads for hydrophilic interaction chromatography by surface-in
A one-step procedure to hydrophilize monodisperse poly(chloromethyl-styrene-co-divinylbenzene) beads has been presented ......
In recent years, with the rapid development of polymer science, the application of classical named reactions has transfe......
Novel polymer distributed feedback(DFB)gratings are fabricated based on photopolymerization to reduce lasing threshold o......
Efficacy and safety of fondaparinux versus enoxaparin in patients undergoing percutaneous coronary i
Background: In worldwide, the mortality rate of acute myocardial infarction(AMI) raises year by year. Although the appli......
Styrene was polymerized in supercritical (sc) CO_2 with benzoyl peroxide (BPO) as initiator. It was found that the poly......
t A novel polymer containing the sucrose group was synthesized by radical polymerization from an enzymaticallyprepared ......
STUDY ON SYNTHESIS OF SUPERABSORBENT OF STARCH-GRAFT-POLY(KAA-CO-AAm) BY INVERSE SUSPENSION COPOLYME
Synthesis of superabsorbent of starch-graft-poly(potassium acrylate-co-acrylamide) has been studied by inverse suspensio......
On Feb.2,2007,Prof.Zhu Zuoyan,Vice President of NSFC met with Ms.Jacqueline Lecourtier,Direc- tor General of the French ......
The flowability of a root canal sealer is clinically important because it improves the penetration of the sealer into th......
We present the solar-terrestrial transit process of three successive coronal mass ejections (CMEs) of November 4―5, 199......
Management of surgical splenorenal shunt-related hepatic myelopathy with endovascular interventional
We present a case with hepatic myelopathy(HM) due to a surgical splenorenal shunt that was successfully treated by endov......
阜阳市局 £4a 局长——_MINtkMMtgj’#lnH$B——q.M——D收束志不他只邀狲位J则【科校为先导推动地租工作.B为广为戳民U用凶盼引眯B.......
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THE RELATIONSHIP BETWEEN PITTING SUSCEPTIBILITY AND INCLUSIONS IN CARBON STEELS IN ARTIFICIAL SEAWAT
The pittings of five carbon steels have been studied by using anodic polarization test and microscope observation. The r......
An efficient and practical radical chain deoxygenation method by phosphorus centered radicals generated from hypophosph......
不同思想體系的碰撞,必然使既有思想體系發生重要變化。如果二者不是“平等”地互相影響,“被動者”往往受對方影響更深,因此變化更大......
Objective: To initially explore the application of proteome technologies in study of serum, to establish two-dimen-siona......
Synthesis,structure and nonlinear optical properties of two novel two-photon absorption chromophores
Two triphenylamine-based derivatives that can be used as two-photon absorption chromophore,tris{4-[4-(3-trifluoromethyl-......
The cationic polymerizations of isobutylene(IB) coinitiated by AlCl_3 were carried out in solvent mixture of n-hexane /m......
The alkylation mechanism catalyzed by an ionic liquid (as a Lewis acid) may be different from the traditional alkylation......
Molecular Printing technology (MIT) with high selectivity and affinity is developed rapidly in recent decades. Ion excha......
The integration equation and time stepping method have been applied in this paper to discuss the nonlinear wave forces ......
In this work, low-cost titanium was fabricated by gelcasting of titanium hydride powder. The effects of morphology and g......
为了减轻教师工作负担、提高工作效率、优化学生考试的流程,主要介绍使用VB编写的计算机考试系统的主要方列出了相应的代码和程序......
AIM:To investigate the effect of α-mangostin on the growth and apoptosis induction of human colon cancer cells.METHODS:......
Paleoenvironmental Evolution of the Beilun River Estuary,Northwest South China Sea,During the Past 2
The paleoenvironmental history of the Beilun River estuary on the coast of Beibu Gulf in the northwest South China Sea i......
采用凝胶时间测定、DSC分析及力学性能测试研究了温度、引发剂和促进剂用量及工艺方式等对新型溴系阻燃乙烯基酯树脂及其复合材料......
We investigate the effect of decoherence from a spin environment on the quantum channel capacity.Our results imply that ......
A parametric computational study is conducted to investigate the shear yielding,flexural yielding,and lateral torsional ......
ⅢA族单卤化物系列分子对半导体和光电材料的生长以及新型气相高效准分子激光介质的开发具有重要的意义.然而由于它们电子态结构的......
单卤化铟分子对开发半导体材料、光电材料以及激光介质等新型材料起着重要的作用.然而由于它们电子态结构的复杂性以及实验条件的......
A semi-analytical method in time domain is presented for analysis of the transient response of nonuniform transmission l......
Effect of UV-B irradiation on interspecific competition between Ulva pertusa and Grateloupia filicin
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Impacts of Initial Perturbations on the Computational Stability of Nonlinear Evolution Equations
The impacts of initial perturbations on the computational stability of nonlinear evolution equations for non-conservativ......
考虑了初始几何缺陷对管道屈曲临界载荷的影响,基于经典热屈曲理论,推导了平坦海床上裸铺管道横向屈曲临界载荷的理论公式,给出了......
针对基于遗传算法的多机器人任务分配方法中,由于初始种群是随机产生不能很好地表征整个解空间,而容易陷入局部最优解的问题,提出......
采用大应变轧制技术对轧制面与挤压板材ED—TE面分别成90°、45°和0°的AZ31镁合金板材进行加工,研究初始取向对板材......
[摘要]目的研究乙型肝炎病毒表面抗原/梅毒螺旋体抗体联合检测试剂(胶体金法)即HBsAg/TP联合检测试剂用于献血者血液初筛的效果。方......
工业上广泛应用的某些沸石催化材料,如ZSM-5和β沸石,通常是在有机模板剂存在条件下合成的,但合成过程常常会造成环境污染以及CO2......
介绍合成氨装置分子筛的控制过程、控制程序的设计方法、程序的设计思路....
高瓦斯矿井综采工作面初采期间是矿井安全生产管理的重要环节,也是矿井“一通三防”瓦斯治理工作的重点。通过对联合开采煤层综采......
Cu-SSZ-13分子筛是环保、宽温型脱硝催化剂,为了研究初始凝胶含水量对Cu-SSZ-13分子筛合成的影响,分别在定NaOH量和定pH值两个条件......
着重讨论弯山隧道采用钻孔台车深孔爆破问题,其中涉及到掏槽眼的布置方式、装药结构、爆破效果及特点。......
2018年2月23日,宝马集团正在深入探讨有关在中国建立新合资公司的事宜,进一步促进旗下品牌MINI的发展。中国已成为全球最大的电动......
欲提高逐次逼近式A/D转换器的精度,常受到内部DAC(Digital-to-Analog Converter)结构参数误差等因素的制约,同时A/D转换器的低功耗......
目的:前瞻性研究剂量调整的EPOCH方案对初治血管免疫母T细胞淋巴瘤(AITL)患者的疗效及不良反应。方法:选择2008年9月至2012年9月中国军......