Characteriz相关论文
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The static and dynamic properties of a system of end-grafted flexible ring polymer chains grafted to a flat substrate an......
One of the main features characterizing the contemporary level of civilization is the universal use of motor transport. ......
ADSORPTION DYNAMICS OF MACROPOROUS POLYMERIC ADSORBENT Ⅱ. The Studies on the Film Diffusion Mass-Tra
The film diffusion mass-transfer process of adsorption of phenol on macroporous polystyrene resin was investigated in de......
The analysis of the small angle X ray scattering(SAXS) data was based upon particle characteristic function, one dimen......
Objective:To investigate the cytotoxic activity of endophytic fungi isolated from mangrove fungi.Methods:In the present ......
The Fabrication of Silver/Poly(Methyl Methacrylate) Nanocomposite with Size-Controlled In-Situ Synth
The Ag/poly(methyl methacrylate)(PM-MA)nanocomposite materials have been intensive-ly studied owing to its superior mech......
Based on the global land cover data at 30 m resolution(Globe Land30) in the year 2000 and 2010, the urban expansion proc......
Identification of a novel testis-specific gene and its potential roles in testis development/spermat
Aim:To identify and characterize a novel gene with potential roles in testis development and spermatogenesis.Methods:A ......
Solid state redox reaction of [Fe(phen)_3] (C1O_4)_3·H_2O with sodium hyposulflte pentahydrate at ro
Because the detection and track of the solid state reactions of multicomponent systemare very difficult, research on it......
The present study was designed to isolate and characterize novel chemical constituents of the stem bark of Juglans mands......
Magnaporthe oryzae,a filamentous ascomycete fungus,is well known as the causal agent of rice blast.With the technology o......
Mesoporous silica was prepared using tetrathoxysilane (TEOS), cetadecyltrimethylammonium bromide (CTAB), aqueous ammonia......
In the study, metallic uranium and uranium dioxide material were ablated by laser beam in order to simulate the process ......
Carbon-base materials is one of candidate plasma facing materials and have been widely used in current tokamak faciliti......
Pseudo-in-situ stir casting: a new method for production of aluminum matrix composites with bimodal-
A new method was applied to produce an Al-0.5wt%Ti-0.3wt%Zr/5vol%B_4C composite via stir casting with the aim of charact......
For the two-step foaming method,one of the most cost-effective ways to fabricate three-dimensional shaped aluminum alloy......
Use of rare earth elements in single-atom site catalysis:A critical review—Commemorating the 100th a
Rare earth metals are strategic resources with potential applications in optics, metallurgy and catalysis. In recent yea......
Rice cropping systems not only characterize comprehensive utilization intensity of agricultural resources but also serve......
DNA sequencing based on nanopore sensors is a promising tool for third-generation sequencing technology because of its s......
We discuss the dynamical behavior of a chemical network arising from the coupling of two Brusselators established by the......
利用八水合氧氯化锆、硼酸、蔗糖和柠檬酸为无机原料,聚乙烯醇为有机原料,采用有机、无机共混反应制得前驱体溶液,并利用干法纺丝......
采用水热合成法合成了8-羟基喹啉铜配合物（Cu（C9H7NO）2）。对配合物进行了单晶X射线衍射测定,结构分析表明,分子间存在的氢键将配合物连......
主要论述了锥形精浆机在现代化纸板厂中的实际应用，选定有代表性的流程，侧重于介绍锥形精浆机的生产操作与质量控制方法。介绍了不同......
用三种方法，即草酸络铁（Ⅱ）酸铵的过量水溶液含浸，三乙酰丙酮铁的甲苯溶液热吸附和硝酸铁溶液饱和浸渍法制备了种载体上氧化铁的负载样......
以纳米级NiO/SiO2气凝胶为催化剂,以H2为载气和还原气,在适当的温度下,裂解甲烷等碳氢气体,得到了管径均匀、长度与直径比为100～100......
以一种木质素磺酸钙为原料，采用苯酚－硫酸法对其进行酚化改性。酚化产物中不溶于水的部分在碱催化下用环氧氯丙烷环氧化，同时得到两种......
本文利用地表露头、岩芯、测井、三维地震和微观分析资料,根据多尺度裂缝的发育特征及不同资料的精度,探讨了多尺度裂缝的表征方法......
煤气化作为煤化工的龙头技术在推动煤化工可持续发展中具有重要作用,而灰渣的矿物学特征是反映煤气化工况,影响煤气化过程稳定运行......
以四种不同的酮类化合物及草酸二乙酯为原料，设计合成了四种3（5）-取代-1H-吡唑甲酸化合物，通过IR及^1H NMR对所合成的化合物结构进行了......
采用共沉淀法合成了不同摩尔比的碳酸根型水滑石。用X-射线粉末衍射、红外光谱、BET法对它们进行了表征，还测定了四元CuCoMgAl类水......
以单斜相V2O5·xH2O纳米线为前驱物,在温和条件下合成出V2O5·xH2O-BiVO4复合光催化剂.为理解产物的物相含量、形貌和光催......
概述了近年来国内外超细WO3粉体的主要制备方法,其中较详细介绍了4种液相制备方法(溶胶-凝胶法、沉淀法、微乳液法和水热合成法);......
从核心素养视野出发对课堂边缘人进行审视,发现课堂边缘人是集体活动的“责任逃避者”、学习参与的“自 我贬低者”、班级融入的“......
一些水杨醛型西佛碱类化合物及其金属配合物,对人体直肠癌和贲门癌等具有一定抗癌活性[1].本文通过水杨醛与邻氨基苯甲酸反应合成......
乙基二苯甲酰甲烷是一种光吸收性能良好的化合物。该法以苯甲酸乙酯和苯乙酮为起始原料，经克莱森缩合生成二苯甲酰甲烷，再与溴乙烷进......
以p、m-二茂铁苯胺和p-乙酰硫基苯甲醛反应，合成了两个含P-乙酰硫苯基的二茂铁席夫碱化合物，硼氢化钠还原碳氮双键的同时对乙酰硫基......
从中国浙江省嘉兴市的稻种上分离出一种细菌，经细菌学，鉴别培养基，致病性Ｂｉｏｌｏｇ及脂肪酸分析测定，表明该细菌属于Ａｃｉｄｏｖｏｒａｘａｖｅｎａｅｓｕｂｓｐ．ａｖｅｎａｅ。该细菌在水稻苗期产生褐色......
通过机械球磨法制备出微纳米CL-20/HMX共晶含能材料,对其进行SEM、粒度、XRD、DSC和Raman表征,以及撞击感度、摩擦感度和钢凹值测......
以烟酸与锌盐为原料,用室温固相合成方法合成烟酸锌配合物,考察了锌源、反应时间、原料配比对合成产物的影响.结果表明,最佳的合成......
在碱性条件下,用微波法合成了掺杂过渡金属钇的介孔分子筛Y-MCM-41.借助XRD、FT-IR、SEM、TEM和N2吸附-脱附实验等分析手段对样品......
采用固相原位转化法在HMBr2-Na2O-Al2O3-SiO2-H2O体系中快速合成出高结晶度的EU—1分子筛，晶化时间明显缩短，从水热合成时的168h缩短......
采用分步酸化、乙醚萃取的方法合成了一系列具有P、V原子数1∶1的Keggin结构的P-V-Mo-W四元杂多酸H4PVMoxW11-xO40·nH2O（其中，x......
以二茂铁为原料，成功地合成了三氟双β-二酮二茂铁，运用红外光谱、质潜、元素分析、电子光谱等测试方法对化合物进行了表征．......
本论文通过水热反应，使用Cd（Ⅱ）和两种配体间苯二甲酸（1，3-bdc）和1，3-双咪唑丙烷（1，3-hip）合成了一种具有新颖结构的{[Cd（1，3-bip）（1，3-bdc）-]·......
利用龙海市土地质量地球化学评估成果,建立基于元素地球化学的土壤肥力指标,探讨土地质量地球化学评估肥力指标含量的分布特征及其......
以η5-五甲基茂基三苄氧基钛(CpTi(OBz)3和改性甲基铝氧烷(mMAO)为催化剂，合成立体嵌段聚1-丁烯，分子量高，分子量分布窄(w／n=1.1～1.2)......
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研究了一种简单的碲化镍纳米棒的合成方法．在合成过程中，以碲纳米棒为反应模板，使之与新鲜生成的纳米镍颗粒反应生成碲化镍．利用X射线......
在水和乙醇溶液中,以对巯基苯胺作为还原剂,利用一步法合成了银纳米微粒,并利用拉曼光谱仪考察了对巯基苯胺在银纳米微粒表面的自......
