查询词典 potassium amide

Basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments.

碱性铬酸锌钾颜料和四氧铬酸锌颜料

With CO2 as acidifying agent, potassium chromate was directly reduced to chromic oxide hydrate under hydrothermal conditions using formaldehyde as reducing agent.

以CO2气体为酸化剂，小分子有机化合物甲醛为还原剂，通过表面活性剂处理，在水热条件下直接还原铬酸钾水溶液得到水合Cr2O3，继而800℃下煅烧得到球形Cr2O3超细粉体。

It was found that calcein could absorb the chemical energy of the oxidizing reaction between potassium ferricyanide and ketotifen accompanied with chemiluminescenceemission.

发现钙黄绿素可以吸收铁氰化钾氧化酮替芬反应的化学能而产生化学发光，以钙黄绿素为化学发光试剂，构建了铁氰化钾-酮替芬-钙黄绿素化学发光体系，利用此体系建立了测定酮替芬的化学发光分析新方法，方法的线性范围为2。

The method is based on the inhibitory effect of paracetamol, which is selectively adsorbed by paracetamol-imprinted polymer filled in the CL flow cell, on the chemiluminescence reaction of potassium ferricyanide with luminol in alkaline solution.

将此聚合物颗粒填充在化学发光流通池中，当扑热息痛溶液流过流通池时，扑热息痛分子被填充的印迹聚合物选择性俘获；此时，当铁氰化钾和鲁米诺的混合液流过流通池时，吸附的扑热息痛分子与铁氰化钾发生反应而导致铁氰化钾－鲁米诺反应化学发光信号的降低。

The structures were identified by IR, UV,〓 NMR and element analyses. 2. Free radical 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl as catalyst, the phase transfer catalyzed method of oxidation eighteen semicarbazides to N-Aryl-2-Phenyl diazenecarboxamide with a solution of potassium ferricyanide in 2N aqueous sodium hydroxide and dichloromethane is described for the first time.

利用2，2，6，6-四甲基-4-羟基-1-哌啶氮氧自由基为相转移催化剂，在饱和铁氰化钾的2N氢氧化钠溶液与二氯甲烷的两相反应液中，催化氧化十八个取代氨基脲得到十八个相应的新型偶氮化合物N，2-二芳基二氮亚烯甲酰胺，均获得了较高的产率。

Methods Sea sand were added into samples-distill by water in the condition of alkalescence vibratedly-add potassium ferrocyanide and zinc acetate (to deposit protein, faecula,fat.)-determination by HPLC after filtration.

样品加入海砂分散黏稠成块的样品，在碱性条件下用水振荡提取，加入亚铁氰化钾和乙酸锌沉淀蛋白质、淀粉和脂肪等，滤膜过滤进行液相色谱分析。

The high potassium ferrocyanide solution was added to CAM homogenates and the absorbance was detected by ultraviolet spectrophotometer. The hemoglobin content of CAM homogenates was obtained by reference standards.

分离发育期鸡胚尿囊膜并将其匀浆，加入高铁氰化钾溶液，用紫外分光光度计测量A值，通过标准品计算样品中血红蛋白的含量。

The protein and the fatty compounds in the sample are precipitated by zinc acetate and potassium ferrocyanide, then the chromogenic reaction of acetylacetone with formaldehyde released from the sample in weak-acid medium and boiling bath takes place immediately.

提出了一种用於现场测定水发食品中甲醛含量的样品快速前处理新方法，采用乙酸锌和亚铁氰化钾沉淀样品中的蛋白质和脂肪，在弱酸性介质和沸水浴条件下提取了样品中的甲醛，并与乙酰丙酮立即发生显色反应。

Chicken chorioallantoic membrane ; angiogenesis ; hemoglobin ; potassium ferrocyanide

鸡胚尿囊膜；高铁氰化钾法；新生血管；血红蛋白

A HPLC method for determination of sorbic acid,benzoic acid and sodium saccharin in dairy drink was studied.The comparison of five methods of precipitating protein showed that the solution of potassium ferrocyanide and zinc sulfate as protein's precipitant was appropriate.

探讨含乳饮料中山梨酸、苯甲酸、糖精钠的HPLC含量测定方法，在比较5种沉淀样品中蛋白质的方法后，确定以亚铁氰化钾与硫酸锌溶液为沉淀剂，采用C18反相柱，以甲醇：乙酸铵溶液(0.02 mol/L)=15∶85为流动相，紫外230 nm检测，结合保留时间及二极管阵列检测器光谱分析信息定性。

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。"