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Cimicifuga heracleifolia is therapeutically similar to black cohosh in relieving menopausal symptoms
In the market of botanical dietary supplements,Cimicifuga heracleifolia (CH) has always been considered as an adulterate......
A single crystal of Li3Ba2Ho3(WO4)8 was obtained from a flux of Li2WO4 under an air atmosphere. The structure of the pur......
A catalyst system of Sevelamer, a phosphate-binding drug, has been prepared and used in the Knoevenagel reaction of arom......
Semi-empirical AM1 and ZINDO/S,as well as density function theory(DFT)method B3LYP/6-31G(d)quantum chemical calculations......
THE SYNTHESIS AND CRYSTAL STRUCTURE OF A CUBANE-LIKE MOLYBDENUM-COPPER-SULFUR CLUSTER {Mo3CuS4[S2P(O
The synthesis and crystal structure of the cubane-like cluste with [Mo3CuS4] core is reported herein. The title compoun......
Studies on the synthesis, structure, IR spectra and reactivity of a new dinuclear Mo(0) complex, [Et
Reaction of Et_4NI, NaSCH_2CO_2Et and Mo(CO)_6 in CH_3CN affords a new dinuclearmolybdenum (O) complex, [Et_4N]_2[Mo_2(......
This paper presents and tests a series of sources of regional variations in self-employment rate in China in the 2000s.a......
MOLECULAR STRUCTURE OF 2-[BIS(2-CHLOROETHYL)-AMINO]-6-BUTYLOXYMETHYL-TETRAHYDRO-2H-1, 3,2-OXA-ZAPHOS
The molecular structure of 2-[bis(2-chloroethyl)-amino]-6-t-butyloxymethyl-tetrahydro-2H-1,3,2-oxazaphosphorine-2-oxide......
Swainsonine is the main toxic component of “ locoweed” that belongs to polyhydroxyl-substituted indolizidine alkaloid.......
LiNbO_3 crystal is an important material for fabricating optical waveguide. Ti-diffused LiNbO_3 waveguides have been wi......
Four series of trifluorobenzoate liquid crystals have been synthesized. Their phase transition temperatures have been a......
The structure and magnetostriction of R_0.5Pr_0.5Fex (R = Dy_0.7Tb_0.3,1.10 ≤x≤1.85) alloys were investigated. It was ......
A series of compounds containing oxime-ester linkage and pyrazole ring(in place of the ester linkage and the alcohol moi......
We present a first principle study of Cr-doped In2O3 system using density func-tional theory. The obtained results show ......
A new kind of polythiophene derivative, Poly(3-{2-[4-(2-ethylhexyloxy)-phenyl]-vinyl}-2,2′-bithiophene) (PTh), was appl......
Structural investigation of the zirconium-titanium based amino trimethylene phosphonate hybrid coati
A zirconium-titanium based amino trimethylene phosphonate hybrid coating on AA6061 aluminum alloys was formed by dipping......
[目的]探讨选择压力与核苷酸替代率的关系。[方法]采用统计学方法分析高粱、玉米中部分核基因、细胞器基因的同义替代率、非同义替......
A selective coumarin-based “turn-on” fluorescent sensor for the detection of cysteine and its applic
A coumarin-based compound(1) was designed and synthesized as a new turn-on fluorescent probe for the detection of cystei......
用电化学方法研究了过渡元素三取代钨锗杂多酸盐Ｍ＇＿ｘＨ＿ｙ［ＧｅＷ＿９Ｍ＿３（Ｈ＿２Ｏ）＿３Ｏ＿（３７）］·ｎＨ＿２Ｏ（Ｍ＇＝Ｂｕ＿４Ｎ￣＋，Ｋ￣＋；Ｍ＝Ｃｒ￣３＋，Ｍｎ￣２＋，Ｃｏ￣２＋，Ｎｉ￣２＋，Ｃｕ￣２＋）的α－，β－异构体在水溶液中的氧化还原质，提出了它们的还原机理，讨论了取代的过渡......
The strict avalanche criterion(SAC)is one of the most important cryptographic criteria for substitution boxes(S-boxes)us......
Most of the existing image encryption schemes with the substitution-diffusion structure are not secure and efficient.In ......
吡咯的多取代衍生物中，许多都具有很强的生理活性，现已发现不少１芳基取代吡咯在止痛、局部麻醉、降低血液中胆固醇、抗炎、抗白血病......
奥地利音乐家G.瓦根泽尔、J.阿尔拜勒斯特斯拜勒盖尔、L.莫扎特、M.海顿等所创作的作品是有史以来率先以文学体裁方式创作的长号作......
中国文化对世界的根本态度，是信仰一个超越的本原，但对宇宙及历史是否体现一种确定不移的神圣计划．却没有一种确认的信仰．仅仅是一种未......
试验旨在对半细毛羊常用饲料原料的营养价值进行评定.采集7种云南半细毛羊常用的饲料原料,采用概略养分分析法测定干物质、有机物......
在中国大力吸引外商直接投资时,对国内银行贷款的需求在利率不断下降条件下却缺乏弹性,而且,以相对变化值衡量的收入效应与利率同......
研究了不同取代度磺丁基醚-β-环糊精的合成。选用1，4-磺丁基内酯为原料，以氢氧化钠水溶液为溶剂，通过正交实验考察反应时间、反应温......
研究了Mn元素掺杂及热处理工艺对超磁致伸缩材料Tb0.5Dy0.5（Fe1-x）1.91（x=0～0.15）合金温度性能的影响，实验结果表明Mn掺杂对该材料居里温......
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采用单因素试验法得到制备Ni—Co合金镀层的最佳工艺条件。采用最佳工艺条件，在汽车缸套内表面电沉积Ni—Co合金镀层。对镀Ni—Co合......
计算定积分的基本公式是牛顿一菜布尼兹公式.给出了两种不能直接用基本公式计算的定积分的计算方法.......
软测量技术是现代化工过程控制系统的重要组成部分,化工过程的时变性要求软测量模型及时进行在线校正,以适应新工况,保持模型的预......
随着养护龄期的增长,再生混凝土的强度基本呈线性关系递增;再生粘土砖混凝土替代率为40%~80%时,强度折减一级;当粗骨料全部被粘土......
中国政府要实施境外毒品原植物替代种植就必须充分利用国际法的适用空间，建立实施镜外毒品原植物替代种植的广泛的国际法基础，以弥补......
通过调研烧煤加热设备和输油生产管理单位，就长输热油管道能否使用烧煤加热设备、具体烧煤设备的确定以及能否降低输油成本等可行性......
合成了一系列苯乙烯与丙烯酸取代乙酯CH<sub>2</sub>=CHCOOCH<sub>2</sub>CH<sub>2</sub>-X（X=F、Cl、Br、CN、OCH<sub>s</sub>）的自......
