查询词典 phosphoric

The separation of iron from sulphate solutions has been firstly investigated using a mixed solvent system consisting of tertiary amine N_(235 and tributyl phosphate. Then, zinc was extracted with di(-2-ethyIhexyl)phosphoric acidP_(204 from the raffinate in order to separate zinc and manganese.

首先，采用N_(235)-TBP混合溶剂体系萃取含铁、锌、锰的硫酸盐溶液中的铁，实现铁与锌、锰的分离；然后用P_(204)萃取含锌、锰的萃余液中的锌，达到锌、锰分离的目的。

In the buffer solution 0.2?mol/ L phosphoric acid mixtures with 0 05?

在pH =3.0的磷酸(0 。2mol L)-硼砂(0 0 5mol L)的缓冲液中，黄尿酸在+6 80mV左右处 vs 。

Examples of metal chelating groups include hydroxides especially aryl or heteroaryl hydroxides such as phenolic hydroxides; amines which may be aliphatic aryl or heteroaryl; mercaptans which may be aliphatic aryl or heteroaryl; carboxylic acids which may be aliphatic aryl or heteroaryl; oximes and ketoximines; acetarylamides; hydroxy silanes and silicones; N-containing heterocycles such as imidazoles benzimidazoles triazoles benzotriazoles thiazoles isothiazoles acid anhydrides and more preferably acid groups (especially carboxylic acid groups phosphoric acid groups polyphosphoric acid groups phosphonic acid groups sulphuric acid groups and sulphonic acid groups).

金属螯合组的例子包括氢氧化物，特别是芳基或如酚醛氢氧化物杂氢氧化物；胺可能是脂肪族，芳基或杂；硫醇可能是脂肪族，芳基或杂，这可能是脂肪族，芳基或羧酸杂；肟和ketoximines； acetarylamides；羟基硅烷和有机硅，含N，如咪唑，苯并咪唑类，三唑类，苯并三氮唑，噻唑类，isothiazoles，酸酐杂环，多最好酸组（特别是羧酸团体，磷酸，团体，多聚酸组，膦酸组，硫酸团体和磺酸组）。

The effect of phosphoric amide herbicide amiprophose-methyl, which was used wildly in agriculture, on chromosome structure and protein composition of root meristems of wheat were studied by exposure to concentrations of 1-4 μmol/L. The results indicated that, as the concentration of APM increased the frequency of chromosomal structure variation increased.

利用农业上广泛使用的酰胺类除草剂甲基胺草磷，在1~4μmol/L浓度下，对野二燕1号小麦根尖分生组织细胞染色体结构变异及蛋白质组分变化进行了研究，结果发现，随着浓度升高，染色体结构变异率呈上升趋势。

It from 75% calcium phosphates, 15-25% water, the organic matter, phosphoric acid manganese and mineral sour calcium and little potassium, sodium and iron constitute.

它是由75%的磷酸钙，15-25%的水、有机物、磷酸锰、矿酸钙及微量的钾、钠、铁所构成。

Inorganic, or mineral, acids include sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.

酸包括硫酸、硝酸、盐酸和磷酸等无机酸或矿物酸，以及羧酸、磺酸和酚类等有机酸。

From the sample volume and the distances to the first and second equivalence points, calculate the MOLARITIES of hydrochloric and phosphoric acids in the sample.

从样品的体积以及第一次和第二次等当点的差异，计算样品中氢氯酸和磷酸的莫耳浓度。

Points, calculate the MOLARITIES of hydrochloric and phosphoric acids in the

从样品的体积以及第一次和第二次等当点的差异，计算样品中氢氯酸和磷酸

The method has thyroid transcribe factor to specimen of 12 SHL tissue - antigen of 1(TTF-1), epithelial film , CK7, CK20, dash forward the albumen that touch bubble , undee albumen , flowing flesh actin , placental alkalescent phosphoric acid is enzymatic , be addicted to bead albumen, among them observation of 10 lens that make report.

方法对12例SHL组织标本进行甲状腺转录因子-1(TTF-1)、上皮膜抗原、CK7、CK20、突触泡蛋白、波形蛋白、平滑肌肌动蛋白、胎盘碱性磷酸酶、嗜铬粒蛋白、CD34的SP免疫组织化学法标记，其中10例做电镜观察。

A new flow injection-catalytic spectrophotometric method has been developed for the determination of nitrite based on oxidation decoloration of Victoria blue B with potassium bromate in phosphoric acid medivm.

以亚硝酸根催化溴酸钾在磷酸介质中氧化维多利亚天蓝B褪色为指示反应，建立了反相流动注射催化光度法测定痕量亚硝酸根的新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。