查询词典 reagent

In our study after adding the helpsoak reagent into the gold ore,some minerals have the chemical reaction with it,increasing the gold cyaniding speed,the leaching rate has achieved 90%~92%.

在氰化过程中，Cu容易形成Cu2沉淀覆盖在矿物表面上，阻碍金的继续浸出。氰化刚开始，金的浸出速度快，18h后氰化浸出速度降低，26h后金的氰化浸出停止。

The results show, Sodium hexametaphosphate is the best disperse, purified and decolored reagent, which can disperse attapulgite into nano-class crystal by absorption, electrochemistry and chemical treatment, separate other mineral impurity effectively, react with main colored ion into phosphate deposition achieving decolor aim.

研究结果表明，六偏磷酸钠是凹土矿良好的分散提纯和脱色剂，它通过吸附、电化学作用和化学反应使凹土晶体充分分散为纳米级晶体颗粒，使包裹其中的其他矿物杂质有效分离，并与凹土中的主要带色离子生成磷酸盐沉淀使凹土色泽变白。

The nanofluids consist of CuO nano-particles with average diameter of 50 nm and deionized water without any additional reagent.

纳米流体由平均直径50nm的氧化铜粒子加入去离子水中组成，没有加入任何添加剂。

The test showed that the denatured effect of the activated sludge was not evident by the way of physical method and reagent.

采用物理法和药剂先后作用于活性污泥，对活性污泥的改性影响显著。

H-acid is proposed as a self-coupling diazotizing reagent for the determination of nitrite and nitrate.

本文研究了NO_2~-与 H-酸的重氮盐自偶联反应，提出了一个灵敏的分光光度法，用于测定钢件磷化液中的NO_3，结果满意。

The experimental results showed that the influence of the effect for changing the amount of emulsified reagent and forther.

研究了改变捕收剂用量和起泡剂用量等工艺措施对浮选效果的影响。

Preparation of starch succinate with low substitution degree was studied by using corn starch as raw material,succinic anhydride as esterifying reagent,water as solvent and sodium hydroxide as catalyst.

以玉米淀粉为原料，丁二酸酐为酯化剂，以水为媒介，氢氧化钠为催化剂对低取代度淀粉丁二酸酯的制备工艺进行了研究。

This thesis indicates that water mist is a very ideal extinguishing reagent through analysis of economy and performances.

本文通过经济和性能分析比较，细水雾作为一种新兴的灭火剂脱颖而出。

Research shows that no conventional flocculating agent and Feton reagent oxidation methods can make the wastewater meet discharge standards.

研究表明，利用常规的絮凝剂及Feton试剂氧化法均无法使废水达到排放标准。

Combined the experimental technique with thermodynamic calculation, we can concluded that the skeleton of refractory Y〓O〓, SiO〓 and Si〓N〓 can be damaged and vaporized its trace impurities completely by using PTFE as fluorinating reagent.

并从实验手段和热力学计算两个方面证实了在FETV-ICP-AES体系中能有效地破坏难熔陶瓷Y〓O〓、SiO〓和Si〓N〓的骨架，并完全蒸发其中的痕量杂质元素。

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。