查询词典 hydrogen sulfide

Determination ; sulphur content ; dye bath ; sulfide ion ; electrode ; sulfion-selective electrode ; sulfide-antioxidation-buffer ; potentiometric titration

测定；硫分；染浴；硫离子；电极；硫离子选择电极；硫化物抗氧缓冲剂；电位滴定法

Concentrations of platinum group elements of ores and related rocks from Baimazhai Ni-Cu sulfide deposit were determined by using an ICP-MS with nickel sulfide fire assay pre-concentration.

采用镍硫火试金ICP-MS法分析了白马寨铜镍硫化物矿床矿石及其主要围岩铂族元素含量，结果表明铂族元素总量普遍较低，且ΣPGE由矿床核部的块状矿石(78.15×10-9~555.92×10-9)向外围矿化橄榄岩(6.77×10-9~70.95×10-9)至辉长岩(3.02×10-9)逐步降低。

The resistance to Cr and regeneration character of biological iron sulfide composites were studied. The composites consisted of sulfate reducing bacteria and nanosized iron sulfide produced by SRB. A new reduction-regeneration recirculation process for treating chromium-containing wastewater and reclaiming chromium was developed with the regeneration character of the composites.

研究了由硫酸盐还原菌与其原位生成的纳米硫铁化合物组成的生物硫铁复合材料的耐铬性能和再生性能，并利用其再生特性，设计了处理高浓度含铬废水及铬资源化的还原－再生循环处理工艺。

The S entering into pellet with concentrate is pyrite, with coal powder are iron sulfide, sulphate and organic sulphur, when reducing, S existing in pyrite, iron sulfide and organic sulfur come into gas phase, then been absorbed by fresh Fe and liberate out of pellet, combined with CaO existing in outside of the pellet to form CaS finally, sulphate will remain in DRI.

当还原温度高于在铁碳相图中的最低液相线温度1147~1153℃时，渗碳作用导致DRI外壳熔化，这层致密的熔融外壳起到热态直接还原铁的防氧化作用。低于这个温度将有助于还原和脱硫。

To a certain extent, the oxidation of sulfide and releasing of heavy metals were controlled by the chemical characteristics of hydrological environment. This process gave rise to the formation of the metastable secondary metal-bearing minerals on the surface of sulfide in the sediment.

河流水体环境化学性质影响了沉积物中硫化物氧化作用的氧化速率，导致硫化物表面亚稳定的次生富重金属矿物相的形成，对水体质量的自净有一定的作用。

Laba garlic, the formation of green pigment and red onion with a certain degree of similarity, diallyl sulfide and propylene oxide exists at the same time, Green took place, there is Propylene oxide sulfide, there is no oxidation of allyl sulfur objects when changes occur red.

腊八蒜绿色素的形成与洋葱红变具有一定的相似性，烯丙基与丙烯基硫氧化物同时存在时，就发生绿变，存在丙烯基硫氧化物，不存在烯丙基硫氧化物时，就发生红变。

Zinc sulfide nanoparticles with different sizes were synthesized by a unique precipitate dissolution method using zinc alkyl xanthate and sodium sulfide as zinc and sulfur sources, respectively. The samples synthesized were characterized by low temperature nitrogen adsorption and desorption, Transmission Electron Microscope, powder X-ray Diffraction and Fourier Transform Infrared Spectroscopy techniques.

以烷基黄原酸锌和硫化钠分别为锌源和硫源，采用烷基黄原酸锌沉淀溶解法制备了粒度可调、粒径分布比较窄的面心硫化锌纳米粒子，利用比表面积测定、透射电镜、粉末X射线衍射、傅里叶转换红外光谱等方法对合成的硫化锌纳米粒子进行了表征。

Shihu gold deposit in Hebei Province, belonging to pyrite sulfide type,is characterized by multistage mineralization,but the main stage of mineralization is almost coincident with the mass separation of sulfideThe sulfur in sulfide and mineralizing hydrothermal solution is derived from anatectic granitic magma.

河北省石湖金矿属于黄铁矿硫化物型金矿，具有多期次成矿的特点。但金的主要成矿阶段与硫化物的大量析出阶段在时间上基本一致。硫化物及成矿热液中的硫来自深熔花岗质岩浆。从微观结构和晶体学理论上对金的赋存机理进行了讨论。

Vast sea in a beautiful ball to over the ascension of hydrogen, vapor ...... for the dull sky adds a touch of brilliant color, eye along the slide at the end of the ball of hydrogen, you will find that the ball was a hand-held hydrogen slim girls.

茫茫人海中，一只漂亮的氢气球向上空升腾、升腾……为乏味的天空添加了一抹绚丽的色彩，眼光顺着氢气球滑到尽头，你便会发现手持氢气球的是一位亭亭玉立的少女。

This paper has intruduced the design principle, functio n and performance index of the QJY-A type hydrogen humidity monitor and the appl ication for on-line measuring hydrogen absolute humidity of the hydrogen -coo led generator set in the generation station.

介绍了QJY -A型氢气湿度监控仪的设计原理、仪器功能、性能指标及在发电厂氢冷发电机组氢气绝对湿度在线测量中的应用。

You're a bargain hunter!

你是个打折老手。

Pareto distribution is more and more paid attention to in many areas, essentially in economical areas.

Pareto分布许久以来在不同的领域中越来越受到重视，尤其在经济领域。