所有的人都住在一个大工厂附近，她在当地的水里发现了一种叫做铬的化学物质。
All the people lived near a big factory and she discovered that there was a chemical called chromium in the local water.
其次是铅和镉，铬的污染较小。
火焰成份和高度影响铬的测定准确度。
The composition and height of flame have influence on accuracy.
铬的，有关铬的或含铬的，特指3价铬。
Of, relating to, or containing chromium, especially with valence 3.
铬的氧化物及氢氧化物。
吸附后剩余污泥中铬的形态分布比较一致。
Adsorption of chromium sludge remains after the distribution of more consistent form.
提出了用神经网络方法测定无机铬的形态。
This paper presents an artificial neural network for the speciation of Chromium.
铬的加入改善了室温韧性，提高了解理强度。
The improvement of room ductility can be attributed to the increase of cleavage strength.
土壤环境质量基本上未受到镉、砷、铬的影响。
The environmental quality of soil wasn't affected by cadmium, arsenic and chromium.
除去铬的原理是揉后的铬污泥从废液中吸收铬。
The principle of dechromation consists in sorption of chrome from waste liquor after tanning to chrome sludge.
通过该模型可控制终点碳和温度以及提高铬的回收率。
The end carbon content and temperature were controlled, and the chromium yield was increased by using the model.
本文综述了微生物还原处理含六价铬的废水的研究进展。
The research development of microbial reduction of hexavalent chromium in wastewater is described.
还原生成的三价铬的量或未反应的重铬酸钾的量能被测出。
Either the amount of reduced chromium or the amount of unreacted dichromate can be measured.
三价铬及六价铬是食品中微量元素铬的两种主要存在价态。
Trivalent chromium and hexavalent chromium are two main states of the chromium in foods.
拟定了一个测定电镀废液和镀铬液中痕量铬的新的荧光分析法。
A new fluorimetry was used to determine the trace element of chromium in the electroplating waste liquor and chromium electroplating solution.
本文介绍了未见报道的葡萄糖酸铬的合成、提取方法、工艺条件。
This article deals with the synthetic method of chromium gluconate, which hasn't been reported so far.
前言：目的：选择石墨炉原子吸收光谱法测定化妆品中铬的最佳测定条件。
Objective: to define the best operation parameter when determining the chromium in cosmetics with graphite furnace atomic absorption spectrophotometric (GFAAS) method.
铬的毒性与其存在状态有关，六价铬是电镀含铬废水中的主要特征污染物。
The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.
目的建立保健食品中吡啶甲酸铬含量的测定方法，验证吡啶甲酸铬的稳定性。
Objective To develop a method for determining the content of chromium picolinate in sanitarian food and to validate its stability.
试验结果表明：非铬涂层需配以含铬的转化涂层才能够满足防腐性能的要求。
It is shown that a chromate conversion coating needs to be used together with the non -chromate primer to meet the corrosion protective requirements.
简要介绍了采用热装硅铬的电硅热法生产中低碳铬铁的过程和所获得的经济效益。
It briefly introduces the process of producing medium and low carbon ferrochromium with hot charging ferrochromium in electro-silicothermic method as well as the economic benefit obtained.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
The block is cast in one piece from gray iron or iron alloyed with other metals, such as nickel or chromium. Some blocks are cast from aluminum.
采用直流和脉冲电沉积方式从三价铬的氯化物镀液中沉积出镍-铁-铬纳米合金镀层。
Nickel iron chromium alloy with nanocrystalline were electrodeposited from chloride bath containing trivalent chromium ions under direct and pulse current.
实验表明，沸水萃取法适用于可溶性六价铬的萃取，弱碱萃取法可用于两性金属涂镀层。
The experimental results showed that boiling water extraction is suitable for testing soluble hexavalent chromium compounds and weak alkaline extraction suitable for amphoteric metal coatings.
浸出液中的铬可通过水解沉淀法以氢氧化铬的形态除去，铬的脱除率达94.44 %。
The chromium in the leach solution can be removed as chromium hydroxide by using a hydrolysis precipitation process and the efficiency of chromium removal reaches 94.44%.
文章介绍了回收铬鞣液中铬的几种方法，并对这几种方法的优缺点及其经济效益进行了分析比较。
This paper introduces some methods for recovering chromium from chrome tanning waste water, compares the merits and demerits of these methods, and analyses their economic benefit.
对煤中铬的地球化学行为、分布、赋存形式、富集机理、迁移规律等方面的研究现状进行了综述。
Reviews the current situation of the geochemistry characteristics, distribution, modes of occurrence, mechanism of concentration, migration of chromium in coals.
简述了铬的毒性、铬在土壤中的反应与存在状态、铬对植物的影响及含铬污泥在农业中应用的现状。
Toxicity, reactions and existence state in soil and effects on crops of chromium, current situation of applying fertilizer of tannery chromium sludge were described.
传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。
There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.
传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。
There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.
应用推荐