查询词典 phosphoric

The effect of impurity H2SO4 in the simulating wet-process phosphoric acid on the rheological behavior of the ammoniated slurry was studied.

用化学试剂配制不含铁的模拟湿法磷酸，在其铝，镁，氟杂质浓度固定的条件下，改变硫酸杂质的浓度，在50 ℃下测定其氨化料浆的流变曲线。

The main products are phosphoric acid, phosphates and activated beaching earth.

主要产品有磷酸，磷酸盐和激活搁浅地球。

An enzyme that catalyzes the hydrolysis of a nucleotide to a nucleoside and phosphoric acid .

核酸酶水解核酸的酶，如核酸内切酶和核酸外切酶

The method has high sensitivit,it is based on the nitrite catalysed discoloring reaction of indigo carmine by potassium bromate in phosphoric acid medium.

基于磷酸介质中NO－2催化溴酸钾氧化靛红的褪色反应，建立了测定痕量NO－2的新方法，并讨论了其动力学条件。

Cycle are divided into for the phosphoric rock series of the Yangshui Formation at this zone, in association with sequence interface and its relative characterization, the types of the sequences are determined and the Yangshui Formation is considered a high-ranking I-level sequence that is constituted by a series of low-grade retrograding type of de.

应用层序地层学的概念和方法，从沉积特征研究入手，对该区的含磷岩系———洋水组划分出5个沉积层序，结合层序界面及层序的归纳描述，确定了层序类型，并认为洋水组是一套海进体系域中由一系列低级别退积型沉积层序组成的高级层序。

This article discussed the influence factors of productivity of formic acid such as the mol ratio of sodium formate and phosphoric acid, the addition of phosphorus pentoxide, vapouring temperature.

对原料配比、五氧化二磷加入量、蒸馏温度对甲酸产品浓度、产率的影响进行了实验。

The results showed that the ultimately productive rate of formic acid reached 95.75% when the mol ratio of sodium formate and phosphoric acid was 1:1.30, the quantity of phosphorus pentoxide was 35.73 g, vapouring temperature was 115℃.

实验结果表明：在一定实验体系中，甲酸钠与磷酸摩尔比为1：1.03、五氧化二磷加入量为35.73 g、蒸馏温度为115℃时，甲酸最终浓度可达到95.75%。

The osteogenic differentiation markers were determined by para position Nitrobenzene phosphoric acid and Alizarin Red S staining.The expressions of CBFA1 and VEGF mRNA in BMSCs were detected by RT-PCR.

采用改良MTT法测定含药血清对P2代BMSCs增殖的影响；用对硝基苯磷酸法和茜素红S染色定量法对BMSCs分化为成骨细胞的标志物进行测定。

An acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters.

三个磷酸分子形成的部分脱水物，已知主要以其盐和酯的形式存在。

The 'acid' Bessemer process, as the Victorian ironmasters discovered , could not eliminate phosphor, which is harmful to steel, so low phosphoric pig irons had to be used.

维多利亚女王时代的铁器制造商发现，酸性贝塞麦工艺不能去除对钢有害的磷，所以必须用低磷生铁进行冶炼。

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。