硫酸盐

Lead ; zinc electrodeposit ; crystal orientation ; sulphate

铅； 电镀锌层；晶面取向；硫酸盐

In this article,the effects of rare earth on Zn-Ni alloy electroplating from sulfate bath have been studied.

研究了稀土在硫酸盐体系电镀锌镍合金中的作用。

A large molecular sizing agent modified AKD was prepared through the reaction between alkyl ketene dimmer and polyamide then cationization by epichlorohydrin. The large molecular sizing agent has high positive charge and emulsifiability.

摘 要：将聚酰胺多胺与AKD反应，并用环氧氯丙烷将其阳离子化，制备出一种具有高阳电荷的改性AKD大分子，并在中、碱性条件下用该改性AKD对漂白硫酸盐阔叶木浆进行施胶。

The production,demand and supply of fatty alcohol ether sulfate s at home and abroad are analyzed.

分析了国内外脂肪醇醚硫酸盐的生产及供需情况。

Its main existing states include cobaltiferous ferruginous sulphide, oxide, carbonate, sulphate, clay mineral and silicate.

主要的含钴矿物相有含铁的硫化物、氧化物、碳酸盐、硫酸盐、粘土矿物和硅酸盐。

The average percent concentration of sodium in the filtrate was 39% of the original concentration.

而硫酸盐则为过滤前浓度的37%。luteans微球菌的过滤/中和程度为

The paper aims to study the effect of fly ash on concrete to sulphate attack.

研究了粉煤灰对混凝土抗硫酸盐侵蚀性能的影响。

This model indicates that the sulfur isotopes, whose values tend to be negative fractionate to a large scale because of the reductive process of dissimilating bacteria of sulfate.

根据内蒙古乌达矿区高硫煤9煤层（有机硫同位素值 d 34 S=－12.3‰~5.8‰，黄铁矿硫同位素值 d 34 S=－18.7‰~1.1‰）和低硫煤13煤层（有机硫同位素值 d 34 S 为8.9‰~ 11.5‰，黄铁矿硫同位素值 d 34 S 为8.3‰~ 9.7‰）剖面上有机硫和黄铁矿硫同位素的组成，结合煤岩学特征的综合分析以及黄铁矿化菌落和蓝藻胶壳的发现，提出了高硫煤中硫的演化模式，认为高硫煤中硫的同位素由于硫酸盐的异化细菌还原作用导致硫同位素大规模分馏，使之趋于负值。

The initiate layer of deposition was analyzed by EMA, it was formed by some fine sulfate with low fusion point.

显微结构分析表明，初始沉积层很可能是由一些富含低灰熔点矿物的硫酸盐组成。

These parameters include cathode current density, flow velocity of plating solution and thickness of galvanization coating.

摘 要：利用自制的模拟重力高速电镀槽，考察了在硫酸盐镀锌过程中，阴极电流密度、镀液流速、镀层厚度3个主要电镀工艺参数对所得锌层的粗糙度的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。