查询词典 cobalt

A mixed indicator composed of bromocresol green, methyl red and phenalphthalein was used as indicator in titration of boron after the inteterience of cobalt was masked by EDTA.

采用甘露醇强化硼酸滴定硼时，以EDTA为掩蔽剂，可消除二价钴对硼分析的干扰；改用溴甲酚绿-甲基红-酚酞三元混合指示剂作为测定硼的指示剂，使滴定终点灵敏，准确。

Cobalt oxide cathodically deposited from Co(NO3)2 solution with carbon nanotubes as matrix exhibited large pseudo-capacitance of 322 F·g－1 in 6 mol·L－1 KOH.

采用碳纳米管作为电极基体，在其表面均匀的沉积了纳米氧化钴颗粒并由此制备了氧化钴碳纳米管复合电极材料，其比容量达到322 F·g-1。

Rg3 can restrain the EC9706 cell blood-vessel with 2 chloridize revulsive cobalt to generate; its are likely the mechanism is to control VEGF expression.

结论Rg3可抑制二氯化钴诱导的EC9706细胞血管生成；其可能机制是抑制VEGF表达。

Result and blank form are parallel, 2 chloridize cobaltic action 24, after 48 H, VEGF expression lifts the VEGF after 2 chloridize cobalt and Rg3 combined action conveys; to drop apparently apparently, mix with the dosage of Rg3 closely related effect time.

结果和空白组对比，二氯化钴功能24、48 h后，VEGF表达明显升高；二氯化钴和Rg3联合功能后VEGF表达明显下降，并和Rg3的剂量和功能时间密切相关。

Methodological design, synthesis is aimed at anoxic and revulsive factor - the nucleotide of few of particularity short cable length of 1 α is acerbity, compose builds anoxic and revulsive factor - of ShR-NA of 1 α particularity recombine plasmid, stability turns catch; of cell of colonic cancer SW 480 to use chloridize cobalt preparation is anoxic and revulsive education radical, imitate tumour is anoxic condition.

方法设计、合成针对缺氧诱导因子-1α的特异性短链寡核苷酸，构建缺氧诱导因子-1α特异性shR-NA的重组质粒，稳定转染结肠癌SW 480细胞；采用氯化钴制备缺氧诱导培养基，模拟肿瘤缺氧状态。

The result indicates that the content of cobalt in ocean manganese nodule can reach up to 0.30% and it is hosted in cobaltic silicate, oxide and sulfide.

结果表明：大洋锰结核中钴的质量分数可达0.30%，且主要以硅酸钴、氧化钴和硫化钴的形式存在。

With the molar ratio of cobaltous nitrate, phenanthroline and Pyridine-3,4-dicarboxylic acid is 1∶2∶1,under the condition of pH=5,heating at 50-60℃ and stirring,the ternary complex of cobalt is synthesized in the methanol solution.

将硝酸钴、邻菲罗啉和3，4-二羧基吡啶按1∶2∶1物质的量比计量，在pH=5和50-60℃加热搅拌的条件下，在甲醇溶液中合成了钴的三元配合物，用元素分析、红外光谱、紫外光谱、热重分析和摩尔电导率对配合物进行表征，结果表明该配合物为1∶1型电解质，其组成为[CoⅢ2]NO3.H2O，其中Pydc=

The results showed that a violet phosphine coordinated cobalt salt,(C10H21COO)2Co…(PBu3)n, was first formed as the solution of cobaltous naphthenate.

由于羧酸和钴-膦羧基络合物可以构成可逆循环反应，因而阻止了催化剂的分解。

The results show that the rare earth element Ce can codeposit with cobalt-base alloy, and with increase of mass added of Ce in solution, the content of Co, Ni, Ce in alloy increases and the content of B decreases. Ce can increase plating rate of alloy in some range of content. The rare earth makes deposition potential mve in positive direction and polarizability decrease.

结果表明，在水溶液中稀土元素Ce可以与钴基合金实现共沉积，且随着镀液中Ce的浓度的增大，合金镀层中Ce、Co和Ni的含量逐渐升高，B含量降低；且Ce在一定范围内能够明显提高合金的沉积速度；稀土还使Co-Ni-B合金的析出电位发生了正移，减小了极化度。

Some metals,such as cobalt,nickel,chrome and sO On,can corrade the element in high temerature.melting state and affect the service life of element.

部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀，影响元件寿命。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。