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Since their discovery,carbon nanotubes(CNTs) have become one of the most promising nanomaterials in many industrial and ......
The viscoelastic properties of synthetic polyisoprenes(PI) reinforced by white carbon black(WCB) have been investigated ......
The hazards of life and the chance to be at the border of different worlds. A subjective view of fif
1 Introduction(1944–1965)It was the allied offensive in 1944 that decided the precise date of my birth.Indeed,I was bor......
N-methyl-D-aspartate receptors(NMDARs) containing different GluN2 subunits play distinct roles in synaptic plasticity.Su......
A new flexible double betaine L (L = 1,4-bis(pyridinio-4-carboxylato-N-methyl)- benzene, C20H16N2O4) and its cadmium(II)......
The results of normal vibrational analyses of trans, trans-2, 4-hexadiene and the backbone of trans, trans-1, 4-dipheny......
Organic/metallic composites have demonstrated electrical bistability,as well as memory effects. These advanced materials......
Atomization Inhalation of Terbutaline and Budesonide Efficiently Improved Immunity and Lung Function
Chronic obstructive pulmonary disease (COPD) is a syndrome of chronic progressive airflow limitation as a result of chro......
Polymer/metal composite segmental Janus nanoparticles(NPs) are synthesized by sequential growth againstpoly(4-vinylpyrid......
The objective of the present study is to purify oligosaccharides (OSs) from serogroup B meningococci (3407 or 542852) wi......
Enhanced late blight resistance of transgenic potato expressing glucose oxidase under the control of
To engineer crop disease resistance by utilizing natural defense mechanism that was expressed in the incompatible host-......
We developed a three-dimensional(3D) conjugate gradient inversion algorithm for in-verting magnetotelluric impedance ten......
Co-existing Intermolecular Halogen Bonding and Hydrogen Bonding in the Compound Trans-5,10-bis(1-bro
Trans-5,10-bis(1-bromodifluoroacetyl-1-ethoxycarbonyl-methylidene)thianthrene (1b) was prepared from the reaction of BrC......
Several new transition metal complexes using Schiff base containing pyridine and amide moieties (N, N’-bis(- salicylali......
A 3 D-QSAR about nAChRs agonists-epibatidine analogues was performed using the CoMFA and CoMSIA. The correlation coeffi......
Heck Arylation of Acrylonitrile with Aryl Iodides Catalyzed by a Silica-bound Arsine Palladium(0) Co
Acrylonitrile reacts with aryl iodides in the presence of tri-n-butylamine and a catalytic amount of a silica-bound ars......
The packing structures of thiophene dimers and their effects on excitation energies of thiophene dimers were studied by ......
This paper presents a functional language for the unambiguous description of digital circuits,a me-thod and algorithms ......
Condition monitoring and life prediction of the vehicle engine is an important and urgent problem during the vehicle de......
Effects of the structure of the branches on the two-photon absorption properties for the multi-branc
In order to investigate the effects of the structure of branches on the TPA properties for multi-branched molecules, the......
Electronic structure and chemical reaction of Ca deposition on regioregular poly(3-hexylthiophene) s
Conjugated polymer, regioregular poly(3-hexylthiophene) (rr-P3HT), films were prepared by spin-coating the rr-P3HT chlor......
PEG-asparaginase in BFM-90 regimen improves outcomes in adults with newly diagnosed lymphoblastic ly
Objective: Although L-asparaginase(L-ASP) is a standard treatment for lymphoblastic lymphoma(LBL),hypersensitivity react......
Synthesis, Characterization and Properties of Novel Star-Shaped π-Conjugated Oligomers with Tripheny
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......
轮网络是由Cayley图模型设计出来的一种新型互连网络模型.星网络、冒泡排序网络、修正冒泡排序网络可嵌入轮网络.为了揭示它的整体......
目的:探讨复方甲硝唑栓联合结合雌激素软膏治疗老年性阴道炎的疗效。方法:收治老年性阴道炎患者56例,随机分为对照组和观察组,每组......
提出了一种针对前馈神经网络的混合算法，该算法将最速下降法与共轭梯度法相结合，有效地改善了传统BP算法收敛速度慢、可能陷入局部极......
多帧图像融合的目的在于复原截止频率之外的信息,以使图像获得更多的细节和信息,提高图像的分辨率。本文阐述了提高图像分辨率的关......
提出了一种新的槽轮组合驱动的取箱板机构。用解析法对其中的槽轮机构进行了计算机辅助设计。推导出了取箱板机构中执行构件的位移......
采用缓慢挥发法合成了一例单核镝配合物[Dy(pmbp)3(H2O)2]·CH3CN(1),(Hpmbp=1‑苯基‑3‑甲基‑4‑苯甲酰基‑5‑吡唑啉酮)。......
西方“身心二元论”思想将自然与社会、科技与人文塑造成对立的两极,而中医学“形与神俱”的“身心一元”理解则将自然与社会、科......
本文研究了两种不同的苯基烷基砜与α,β-不饱和羰基化合物的共轭加成反应,发现其中苯基烷基砚与双缩丙酮在甲醇-二甲亚砜体系中的......
讨论均衡约束最优化问题,利用一个互补函数和扰动技术将原问题转换为非线性等式和不等式约束最优化问题,结合罚函数法提出了一个共......
以温室地表下不同深度土壤层含水率为依据,建立含水率不同的分层土壤模型与换热管模型,数值模拟冬季晴天土壤空气换热器运行下的土......
本文通过具体实例对俄语句际关系、句际关系的类型以及句际间的连接手段进行了较全面的论述。同时对俄语教学中存在的问题进行了分......
本文研究了大型方程组的解算方法，给出了改进的共轭梯度算法和预条件共轭梯度算法，推导了相应的计算公式。对各种算法的计算效率进行......
由于受到多重因素的影响,影像中提取的线特征经常出现断裂、变形、遮挡等问题。为克服上述问题对线特征匹配的影响,本文提出一种结......
目的:观察羊膜移植、自体结膜移植、自体板层结膜+角膜+巩膜移植3种手术方式治疗翼状胬肉后的复发情况.方法: 翼状胬肉患者150例、......
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研究了聚氯乙烯（PVC）在应力作用下的紫外光老化行为。老化后的样品采用超薄切片法，应用红外和紫外光谱分析手段，从微观角度研究了应力......
半椭圆断面渠道广泛应用于农田灌溉系统,水跃共轭水深作为其重要的水力参数,须寻求其快速有效的解法。首先基于半椭圆断面的断面几......
通过引入权系数、一个独立参数及一对共轭指数，应用实分析的方法，建立一个具有零齐次核的Hilbert型积分不等式的级数形式及其推广式，......
【目的】检测缺氧诱导因子-1(HIF-1)在兔结膜伤口愈合模型的表达水平,并研究其在结膜瘢痕形成中的作用。【方法】48只新西兰白兔根......
用Ｆｏｒｔｒａｎ语言编程，应用休克尔分子轨道理论计算共轭分子的能量和分子轨道系数，进而求得电荷密度，键级，自由价等参量。......
[目的]本研究旨在探讨生产中普遍存在的急性应激因素对细菌耐药基因水平转移的可能影响。[方法]选取分离自断奶香猪粪便的2株喹诺......
利用DNA体外重组技术,将大肠杆菌质粒载体pUM3上的抗砷基因簇片段亚克隆到含有强启动子(tac启动子)并具有广泛寄主范围特性的IncQ......
本文采用甲基磺酸乙酯（ＥＭＳ）诱变野油菜黄单胞菌ＮＫ－０１得到多糖合成缺陷的不产粘突变株。经ＳａｌＩ部分酶切得到ＮＫ－０１染色体ＤＮＡ片段，将其连接到广泛寄主载体ｐＲＫ２９３上，在......
着重介绍了以桑蚕茧为原料，利用改进型FDF-01复合丝设备，在缫丝过程中一次性形成150dtex(130／140D)粗规格生丝的工艺技术方案，并分析了......
Surgical Treatment of the Semi-Lunar Fold Stromal Cysts in the Bulbar Conjunctiva in Polyclinic “SHO
Introduction: The conjunctiva is a thin, superficial mucosa that covers the anterior part of the eye lids and the anteri......
提出了径流长期分级预报的人工神经网络方法，给出了多层前馈网络的联合梯度算法。用辽宁大伙房水库的汛期长系列资料进行实例研究，取......
The present work details a numerical simulation of forced convective laminar flow in a channel with a heated obstacle at......
