查询词典 potassium amide

Methods: The chromatographic separation was performed on a Hypersil ODS2 column(250 mm×4.6 mm, 5 μm) with mobile phases of potassium dihydrogen phosphate hexyl amine solution-acetonitrile(74∶26) for the determination of its related substances and methanol-0.05 mol/L potassium dihydrogen phosphate solution(1∶1) for the determination of dexbetamethasone sodium phosphate. The flow rate was 0.8 ml/min, the detection wavelength was 254 nm, the column temperature was 25℃ and the sample size was 20 μl.

色谱柱为Hypersil ODS2柱(250 mm×4.6 mm，5 μm)；有关物质测定的流动相为磷酸二氢钾己胺溶液-乙腈(74∶26)，含量测定的流动相为甲醇-0.05 mol/L磷酸二氢钾溶液(1∶1)；流速为0.8 ml/min，检测波长为254 nm，柱温为25℃，进样量为20 μl。

To verify our speculation, we investigated the functions of the voltage-dependent potassium channel and large conductance calcium-dependent potassium channel of VSMCs isolated from hindquarter arteries and cerebral arteries of rats after short- and mid-term simulated weightlessness and compared with that of control rats, using both pharmacological methods and whole cell patch clamp techniques.

为证明我们的推想，我们采用动脉血管环药理学实验方法及全细胞膜片钳技术，来观察模拟失重大鼠脑部及后身动脉VSMCs的两种钾离子通道电压依赖性钾离于通道LK＊与大电导钙激活钾离于通道［BK＊）功能的改变并注意此变化的时程特征。

The results showed that the deposition rate increased at first , then went down with increasing concentration of thiourea or potassium iodate. The deposition rate was more significantly affected by thiourea than that by potassium iodate.

结果表明，沉积速率随硫脲、碘酸钾浓度的增大先升高后降低，碘酸钾对镀速的影响不如硫脲显著。

Iodine at the same time, algae companies, refined iodine, potassium iodide, potassium iodate, silver nitrate.

公司同时生产海藻碘、精碘、粗碘、碘化钾、碘酸钾、硝酸银。

The potassium ammonium jarosite with zinc and indium is obtained by Fe3+ ion removal from the iron,zinc and indium coexisted sulphate system by potassium ammonium jarosite process.

在铁、锌、铟共存的硫酸盐体系中采用黄钾铵铁矾法除铁，得到了含锌、铟的黄钾铵铁矾，通过TG/DTA和XRD对黄钾铵铁矾及其热分解产物进行表征。

Favorable nutrient and taste of muskmelon with medium culture were achieved when potassium level was adjusted to 240 mg/L The muskmelon macroelement absorption ratio of N, P, K, Ca, Mg was 28:5:40:21:6 under this potassium level at harvest.

生产实践中，温室基质栽培网纹甜瓜营养液中的最适钾素水平应为240 mg/L，此时植株对N， P， K， Ca， Mg的吸收比例为

A white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer .

一种白色矿物，由硫酸镁和氯化钾组成，是钾盐的来源，用作肥料。

The potassium permanganate is one kind of important manganese compound,its preparation is mainly melts the oxo-process with the solid phase alkali at present,take the potassium manganate as the intermediary to make.

是化学方面的，写论文用。急用！问题补充：下面这段：高锰酸钾是一种重要的锰的化合物，它的制备目前主要是用固相碱熔氧化法，以锰酸钾为中间产物来制备。

The invention discloses a method for measuring seawater chemical oxygen demand by photometry, wherein the seawater exemplar is first pre-processed, then using the basic potassium hypermanganate as reaction system, the potassium permanganate is deacidized quantitatively by organics to produce manganate, using pure water or margin solution as reference ratio, measuring the absorbance an of the manganate at its maximum absorbing wave length 430 nm, drafting the A-COD value operating curve, obtaining the concentration of the organics in the water, i.e.

本发明公开了一种对海水化学需氧量进行测定的光度测定法，该方法首先将海水样品进行预处理，再以碱性高锰酸钾为反应体系，这样海水中的有机物在强碱性介质中与过量的高锰酸钾迅速反应，高锰酸钾被有机物定量还原后生成锰酸盐，以纯水或空白溶液作参比，在锰酸盐的最大吸收波长430nm处测其吸光度A，该吸光度A与海水样品中的有机物的含量具有正相关关系。

Standard patch clamp methods were used to measure whole cell capacitance,zero current potential,reversal potential and potassium ion currents of Deiters′ cells in normal external solution.Equations were used to compute the relative membrane permeability ratio of Deiters′ cell to K+ and Na+ and the potassium equilibrium potential.

采用酶孵育加机械分离法分离Deiters细胞；利用膜电钳技术在全细胞模式下检测全细胞电容，记录在正常外液中的钾电流，零电流电位，反转电位，并根据相应公式计算离子通道K+与Na+的相对通透性比率及K+平衡电位。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"