硫酸盐硫含量太高将大大降低催化剂的芳构化活性。
But the aromatization reactivity of the catalysts will be inhibited if they contain too much sulfate sulfur.
试验结果表明煤中硫酸盐硫和黄铁矿硫都可获得理想的脱除效果，全硫脱除率最高可达54.8%。
The results of the experiments indicated that the sulfate and pyretic sulfur can be removed efficiently and the highest removal rate of total sulfur is54.8%in acidic medium.
水质。用液态离子色谱法测定溶解的阴离子。第3部分：铬酸盐碘化物亚硫酸盐硫氰酸盐和硫代硫酸酯的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 3: determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.
赋存于不同时代地层中的典型矿床的硫化物硫同位素组成，总体上显示出与容矿地层同期形成的海相硫酸盐硫同位素组成相一致的特征。
Sulfur isotopic compositions of sulfides in the typical ore deposits hosted in different strata are on the whole consistent with those of Marine sulfates in corresponding host strata.
米草类植物有能力吸收硫化物并将其转化为硫酸盐——一种植物可以利用的硫的形式；这种能力使这种草更容易在沼泽环境中生长。
Spartina has the ability to take up sulfides and convert them to sulfate, a form of sulfur that the plant can use; this ability makes it easier for the grass to colonize marsh environments.
研究人员认为，如果硫酸盐还原细菌的数量随冰盖减少而大量增加，他们也会看到无机硫水平也会随时间而不断增高。
The researchers proposed that, if sulfate-reducing bacteria Numbers jumped as ice cover dropped, they should see increasing levels of inorganic sulfur over time.
在那里，气态硫转化为可以反射阳光并令地球冷却的硫酸盐悬浮微粒。
There, the sulfur gas transforms into a sulfate aerosol that reflects sunlight and cools the planet.
方法在有充分营养支持的小猪肠内营养模型上，观测静脉注射的无机硫酸盐、以及蛋氨酸中的硫是否完全经尿排泄。
Methods Using a well-nourished enteral nutrition piglet model, we tested whether intravenous inorganic sulfate and methionine were fully excreted as sulfur in the urine.
实验室模拟了工业生产，解决了工艺中几个问题，缩短了硫代硫酸盐法浸银在工业应用上的距离。
The industry production was simulated in laboratory, and several problems in technologies were solved. The distance of application of extracting sliver by thiosulfate method in industry was shortened.
硫化物和亚硫酸盐的峰出现在有机硫和硫酸盐的峰之间，但已有的方法不能很好地对其进行分离。
The sulphide and sulphite peaks were observed between the organic sulphur and sulphate peaks, but the developed method was not optimised for their separation.
通过控制溶解氧的浓度，去除的硫化物几乎全部转化为单质硫，硫酸盐的生成率小于10%。
The removed sulphide almost was converted to element sulfur and the sulfate production was less than 10% by changing the oxygen concentration.
这些工作为今后硫代硫酸盐法浸金工艺和机理的进一步研究提供了非常有价值的参考。
These studies of the technology and mechanism about leaching gold by thiosulfate present a valuable reference for the further research.
硫转运蛋白在植物对硫酸盐的吸收和转运中起着重要的作用。
The plant sulphate transporters may play a key role on sulphate transport and sulphate absorption of plants.
结果表明，预处理制浆溶出木质素的硫元素与甲氧基含量及脱木质素反应均不同于常规硫酸盐制浆。
The results indicate that the contents of sulfur and methoxyl group and the delignification process of sodium sulfide pretreatment kraft pulping are different from those of control pulping.
本文主要介绍了硫酸盐形态硫的选矿脱除方法，通过反浮选可以把铁精矿的硫含量降到0.13%，硫的脱除率为93.43%。
In this paper, Mostly introduce to desulfurize method of sulphate form, pass in reverse floatation May hold sulfur of iron concentrate drop to 0.13%, sulfur get ride of ratio became 93.43%.
硫酸盐还原菌是指一类能把硫酸盐、亚硫酸盐、硫代硫酸盐等硫氧化以及元素硫还原形成H_2S的生理特性细菌的统称。
Sulfate reducing bacteria(SRB)is the bacteria which can reduce sulfate, sulfite and thiosulfate as well as element sulfur into H_2S.
讨论了利用亚硫酸盐做氧化剂，在酸性条件下氧化处理制药厂的高浓度含硫废水。
The sulfite oxidation process under acid condition to treat concentrated H 2SO 4 bearing wastewater from pharmaceutical production is described.
介绍了铜氨配合物的性质及其在氨和硫代硫酸盐浸金中的作用，分析并探讨了铜氨配合物的催化作用和氧化作用。
The property of copper-ammonia complex and its function mechanism on leaching of gold with ammonia and thiosulfate are discussed.
其有机元素组成以贫氢、富氧、富硫为特征，属高热演化且受硫酸盐热化学还原作用影响的焦沥青类。
The organic elementary compositions of the bitumen are characterized by poor hydrogen and rich oxygen and sulfur, suggesting that it is of pyrobitumen as a result of high maturity and TSR.
研究和分析硫化物容积负荷与溶解氧共同作用下硫化物的去除规律、硫酸盐的生成规律以及单质硫的生成率，并对建立的模拟方程进行了验证。
Through the analysis of the sulfide removal rate, sulfate production rate and sulfur forming efficiency, the simulation equations were established and validated by practical tests.
结果表明：土壤释放的含硫气体是微生物分解含硫氨基酸、硫酸酯、还原硫酸盐的产物。
The results show that these sulfur gases emitted from soils were identified as products of microbial decomposition of sulfur-containing amino acids, diethyl sulfate and reduction of sulfate.
其燃渣中的硫主要以硫酸盐的形式存在。
The remained sulfur in cider occurred generally in sulfur form.
推导硫氰酸盐体系浸金的热力学判据，从热力学角度分析和讨论氧化剂参与下硫氰酸盐浸金的反应过程，比较硫氰酸盐、硫代硫酸盐、硫脲和氰化物浸金的热力学判据和相关参数。
The thermodynamic criterion of the gold leaching with thiocyanate is deduced, the gold leaching reaction with thiocyanate in the presence of oxidant is thermodynamically analyzed and discussed.
本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
近年来，硫被认为是植物四大营养元素之一，主要以硫元素和硫酸盐为硫源。
Sulfur, recently rated one of the four most important plant nutrients, is most commonly applied in the form of elemental S and sulfates.
近年来，硫被认为是植物四大营养元素之一，主要以硫元素和硫酸盐为硫源。
Sulfur, recently rated one of the four most important plant nutrients, is most commonly applied in the form of elemental S and sulfates.
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