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.
含硫量是指原油中所含硫(硫化物或单质硫分)的百分数。
Refers to the sulfur content of sulfur in crude oil (sulphide or elemental sulfur) of the percentage.
而与赋存超大型镍铜硫化物矿床的金川岩体相比,煎茶岭超基性岩体为岩浆一次侵位形成,分异程度小,镍、硫含量较低。
However, compared with jinchuan ore - bearing intrusion, jianchaling ultrabasic intrusion formed by magma simple emplacement, and magma fractionated weakly with lower content of nickel and sulphur.
不同建造中硫化物的硫同位素组成与其来源有关,并随后期叠加改造作用的增强而趋于均一。
Sulfur isotopic composition of sulfide in different formations was related to their source, and tended to be uniform with the growing stacked reworking at later stages.
因此,当铅和硫以适当的比例结合在一起时,它们便形成了一种叫铅硫化物的化合物。
Thus, when the elements lead and sulfur are combIned In the proper proportion, they form a compound called lead sulfide.
铋、碲矿物有自然金属、硫化物、铋化物、硫盐和碲化物等类型。
The bismuth and tellurium minerals include native metals, sulfides, bismuthides, sulphosalts and tellurides.
多硫化物溶液是一种非氰化浸金体系,其中的有效成份是多硫根离子。
The polysulfide solution is one of non cyanidation systems of gold leaching in which polysulfide ions are the main effective components.
笔者首次在山东新泰地区新太古代层状硫化物中观测到了明显的硫同位素非质量分馏效应。
An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province.
过氧化物抑制元素硫等活性硫化物银片腐蚀反应,使喷气燃料银片腐蚀级别降低或不具银片腐蚀作用。
Peroxides retard the corrosion of active sulfides especially elemental sulfur to silver strip, making the corrosion rating of silver strip caused by jet fuels dropped or downed to no corrosive.
原料低硫高冰镍为高冰镍经磨浮-磁选分离获得的富含贵金属的磁性产品,主要含有镍合金和少量硫化物。
This magnetic matte was obtained from high grade Ni-Cu matte by floatation-magnetic separation, which enriched in precious metals, and mainly contained Ni alloys and a small quantity of sulfides.
结果表明,活性硫化物会导致银片腐蚀,其主要因素是元素硫。
The results showed that active sulfide in jet fuel could induce silver strip corrosion. The main corrosion factor was elemental sulfur.
磁铁矿中钛含量低,矿石中硫含量低,罕见铅锌硫化物矿物。
The contents of ti in magnetite and s in ore are low, with a very small amount of Pb-Zn sulfide minerals.
它具有较高的化学稳定性,与硫及硫化物几乎不起作用,焊接性能良好,对渗氮有屏蔽作用。
It has high chemical stability, and sulfur and sulfide little effect, the welding performance is good, have to permeability nitrogen shield effect.
利用接种了一株排硫杆菌的升流式填料塔反应器,在有氧的条件下,将水中的硫化物快速氧化为单质硫和硫酸根。
Under the condition of oxygen, some strain of microorganism is inoculated in a up-flow packed tower reactor in which the sulfide is converted into sulfur or sulfate.
实验观察,在低硫含量的Q 345实验钢中有纳米硫化物夹杂析出,降低硫含量对钢的强化具有有益作用。
There are inclusions existing within nm in the experimental Q345 steel, the reduce in sulfur content is better for strengthening of the steel.
结果发现,引起银片腐蚀试验不合格的原因是活性硫化物,主要是单质硫。
The results showed that disqualification of jet fuel in silver strip test was caused by active sulfides, especially elementary sulfur.
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.
硫氧化细菌具有氧化单质硫及硫化物,生成硫酸的特性。
The sulfur-oxidizing bacteria have a characteristic of oxidating sulfur and sulfide into sulfuric acid.
汽油中由于存在某些活性硫化物,如元素硫或多硫化物,从而产生铜片腐蚀。
The existence of active sulfides in gasoline is the reason resulting in copper strip corrosion.
经脱除有机硫化物处理后的废脱硫剂样品再经甲苯抽提回收单质硫。
After being removed the organic sulfur, the samples are treated with the method of toluene-heated extraction.
对胜利石油化工总厂的FCC汽油中的硫含量、硫分布及硫化物的种类进行了分析。
The content and distribution of sulfur and sulfide species in FCC gasoline produced by Shengli Petrochemical Factory are investigated.
在氧化法去除含硫脱毛碱膨胀废水内主要污染物硫化物的过程中,考察了13种金属离子交换蒙脱石的催化氧化能力。
The catalytic oxidation ability of 13 metal ion-exchanged montmorillonites are investigated in oxidative removal of the sulfides which are the main pollutant in the moult and alkali swell waste water.
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.
这种胶态电解质抑制了锂硫电池中单质硫本身和正极活性物质的放电产物多硫化物的溶解。
The gelled polymer electrolyte helped to restrain the solution of polysulfides produced from discharging product and the sulfur itself in the active material of cathode.
用金相显微镜、扫描电镜和能谱观察和分析了转炉生产的含硫非调质钢轧后硫化物夹杂的形貌。
The morphology of sulphide inclusions in sulphur-comprising micro alloyed steel manufactured by converter after rolling was observed.
对油田不同开发阶段中硫及硫化物数据进行了统计分析,并对系统中硫及硫化物升高原因及产生机理进行了探讨。
This paper analyzes the sulphur and sulphide data of different development stage in Shuanghe oilfield, and discusses the reasons and mechanism of sulphur and sulphide increasing.
对油田不同开发阶段中硫及硫化物数据进行了统计分析,并对系统中硫及硫化物升高原因及产生机理进行了探讨。
This paper analyzes the sulphur and sulphide data of different development stage in Shuanghe oilfield, and discusses the reasons and mechanism of sulphur and sulphide increasing.
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