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conjugative相关的网络例句

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与 conjugative 相关的网络例句 [注:此内容来源于网络,仅供参考]

Raman spectrum, UV-Vis spectra, IR, NIR and XPS spectra were used to characterize the material. The result indicates that there is a conjugative effect between MWNT and bromine, which induces the change of electron distribution on the MWNT surface. It increased the car- rier density and the electrical conductivity of MWNT became higher.

通过拉曼光谱,紫外可见光谱,红外吸收光谱,近红外吸收光谱和X光电子能谱等方法研究,结果表明:溴与多壁碳纳米管之间存在共轭作用,使多壁碳纳米管表面的电子云分布发生了变化,导致空穴载流子的产生,增加了载流子浓度,提高了多壁碳纳米管的导电性能。

The IR result shows that conjugative effect is the reason for the red shift of stretching vibration frequency for carbonyl, meanwhile hydrogen bonds lead to the red shift of stretching vibration frequency for hydroxy groups.

红外振动光谱结果发现,共轭效应导致了羰基伸缩振动频率红移,氢键的存在导致了羟基伸缩振动频率红移。

The hydrolysis of chitin under concentrated alkali conditions would produce double anion because of conjugative effect and steric effect (producing primary amine which had positive ion properties and linear chain macromolecular structure and which has good flocculability and clarification performance).

因共轭效应和空间效应,甲壳质在浓碱条件下水解,能形成双负离子,形成具阳离子性质的伯胺和具有直链高分子结构,具有优良的絮凝性能和澄清作用。

The range of MIC90 was-10 μg/ml. The susceptibility rates of the strains to other 10 agents were nearly or equal to 0%. Different plasmid profile strains had almost the same antimicrobial susceptibilities. 25 strains (including 18 strains harboring 34-80×106 plasmids) selectively examined to have no self-transmissible conjugative plasmid.

88.6%,MIC90为-10 μg/ml),对卡那霉素等其余10种药物的敏感率很低或不敏感,不同质粒谱菌株对药物的敏感性几乎相同,对包括 18株含34-80×106质粒在内的 25株菌进行接合转移试验,未检出传递性耐药性质粒。

PS, NIR, UV and Raman spectra indicated that there was conjugative effect between MWNT and bromine which induced the movement of π electrons from MWNT to bromine to increase the hole carrier density.

光电子能谱、近红外光谱、紫外光谱、拉曼光谱表明多壁碳纳米管与溴之间存在共轭作用,这种作用导致多壁碳纳米管上的π电子向溴偏移,产生空穴载流子。

The target compounds were obtained in high yield through Michael conjugative addition of amines to methyl acrylates, cyclocondensation of the obtained diadducts in the presence of sodium methoxide,and decarboxylation of the cyclocondensation products in acid.

以胺类化合物为原料,与丙烯酸甲酯经过两次Michael加成得到N,N 二丙酸甲酯类化合物,该化合物在甲醇钠存在下进行环合,在酸性条件下脱羧,高收率得到4 哌啶酮类化合物,从而证明了这是一条合成N 取代 4 哌啶酮类化合物的普遍方法。

Theory; the spatial meshing theory includes comparative motion, comparative differential and conjugative curved surface; and the application of meshing theory includes gear drive and worm drive. The spatial meshing theory is the main part of the course.

课程的重点讲解内容有曲线的参数方程、切线、法面、弧长、曲率、空间曲线的基本公式、挠率及平面曲线的基本公式等;曲面第一和第二基本公式,法曲率、主方向和主曲率、欧拉公式、短程挠率、欧拉公式和贝特朗公式推广、相对法曲率和相对短程挠率等;刚体的绝对和相对运动速度、相对微分和绝对微分、相对速度和相对微分、轨迹曲面的法曲率和短程挠率等;空间共轭曲面的啮合条件、诱导法曲率、两类界限点、等距共轭曲面、空间啮合的二次接触原理等;蜗杆传动的数学模型建立及啮合特性分析方法等。

Methods Agarose gel electrophoresis analysis was used to detect plasmid profiles. Plate transconjugation and broth transconjugation were used to examine the conjugative resistant plasmids and the agar plate dilution method was used to analyze the minimum inhibitory concentration of 15 antimicrobial agents.

用改良Kado-Liu法提取细菌质粒,琼脂糖凝胶电泳检测质粒,用平板稀释法测定药物最低抑菌浓度,用试管内肉汤接合法和平板表面接合法进行接合转移试验。

The results showed that the mole ratio of three ligands to CoCl_2, NiCl_2 were 1:1 and to CuCl_2, ZnCl_2, CdCl_2 were 2:1, The IR, UV-Vis and FS of complexes were investigated. Their IR peaks were classified as the corresponding groups or bonds; The relation of their structure with the conjugative effects, absorbtion wavelength and molar absorb coefficients were discussed with the UV-Vis and FS.

结果表明:噻唑类配体与金属CuCl_2,CdCl_2配位比分别2∶3和3∶2,至于配位机理还需进一步探讨;硒二唑配体与CoCl_2和NiCl_2配位比均是1∶1,而与CuCl_2、ZnCl_2和CdCl_2的配位均为比2∶1;对配合物的IR吸收峰进行了归类与指认,并对配合物的紫外和荧光光谱进行讨论分析,推测硒二唑类化合物与金属发生配位的部位是v中Se原子与金属配位。

Using pyridine-2, 6-dicarboxylic acid as starting material, a novel ligand N^2, N^6-bis(3-methyl-pyridine-2-yl)-pyridine-2, 6-dicarboxamide was synthesized, which contained multidentate and large conjugative system.

以吡啶-2,6-二甲酸为原料,合成含有多个共轭体系多齿配体N^2,N^6-二(3-甲基吡啶)-2-取代吡啶-2,6-二甲酰胺;同时制备它与稀土离子Tb和Eu的配合物,并培养出单晶。

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