查询词典 sulfide

The recoveries of rhodium by lead and nickel sulfide fire assay were 81.5%±1.2% and 75.1%±3.9%, respectively, and the latter was proved to be independent on matrices of chemical standards and geological standard materials.

铅试金法的流程回收率（ n =4）为81.5%±1.2%；镍锍试金法的流程回收率（ n =6）为75.1%±3.9%，对简单化学标准和地质标准物质基体，铑的回收率相近。

Calculations of the detection limits show that a higher sensitivity is available with a planar germanium detector and a nickel sulfide fire assay.

探测极限的计算结果表明：镍锍试金预富集并用平面锗探测器测量，可获得更好的分析灵敏度。

JP2Rhodium of 10-9 level was accurately measured by NAA combined with lead fire assay, and 10－10 level was accurately measured by NAA combined with nickel sulfide fire assay.

铅试金中子活化法可实现10－9铑含量的准确测量，镍锍试金中子活化法可实现10－10铑含量的准确测量。

According to mineralogical and chemical characteristics of cobalt-rich crust samples from the west Pacific ocean, the reagent formula used in common nickel sulfide fire assay preconcentration for PGE analysis were modified.

根据西太平洋麦哲伦海山富钴板状结壳样品的成分特征，对常规的锍镍试金配方作了改进；酌情减少捕集剂羰基镍的加入量，可显著降低铂族元素的空白值。

The content of platinum-group elements in samples of sulfides and gold-bearing breccia from the Taibai gold deposit was determined by the nickel sulfide fire assay and inductively coupled plasma-mass spectrometry.The results show that the PGE content in these samples is higher than that in the Baguamiao gold deposit,Qinling,but lower than that in the primitive mantle.

采用硫镍火法试金结合电感耦合等离子质谱分析了太白金矿硫化物和含金角砾岩中铂族元素的含量，结果显示，与秦岭地区八卦庙相比铂族元素含量较高，而低于原始地幔，其中铂、钯、钌富集，并结合前人研究资料对铂族元素的来源和迁移机制进行探讨。

Chinese Academy of Sciences , Beijing 100029 , ChinaAbstract : The content s of such platinum-group element s as Ir , Ru , Rh , Pt and Pd in J ianguo basalt s and Wula 2 hada Mg- high andesites were determined using ICP-MS after a nickel sulfide fire assay preconcent ration.

采用镍锍火试金法结合 ICP-MS 分析了碱锅玄武岩和乌拉哈达高镁安山岩样品中的 Ir 、 Ru 、 Rh 、 Pt 和 Pd 的含量。

It was floruit of volcanic activity in middle Caledonian between 446 Ma and 440 Ma. Mass volcanic rock was squirted, and ore bearing magma was risen by tectonic fissure, then formed a large-scale valuable polymetallic sulfide orefield.

随着构造岩浆活动的继续，能量的积聚，458.99Ma岩浆熔岩涌出地表，揭开了本区岩浆火山活动事件的序幕。446Ma～440Ma，是本区火山活动全盛时期，在本区大范围内形成有价值的多金属硫化物矿床。

In the bead-on-plate experiment, the trial pieces were SAE1020 steel, the activating fluxes were oxide, Carbonate, Sulfide and fluoride, and the welding method was argon shielding gas tungsten arc welding without filler metal.

实验材料选用SAE1020，活性助焊剂选用氧化物、碳酸盐基、硫化物及氟化物，焊接方法采用不加填料金属的氩气保护钨极电弧焊来进行Bead-on-plate实验。

Iraq's procurement efforts include equipment that can filter and separate micro-organisms and toxins involved in biological weapons, equipment that can be used to concentrate the agent, growth media that can be used to continue producing anthrax and botulinum toxin, sterilization equipment for laboratories, glass-lined reactors and specialty pumps that can handle corrosive chemical weapons agents and precursors, large amounts of vinyl chloride, a precursor for nerve and blister agents, and other chemicals such as sodium sulfide, an important mustard agent precursor.

伊拉克采购的设备包括可过滤和分离生化武器中微生物和毒素的设备；可用于为炭疽病毒和肉毒菌病毒集中药剂和生长媒体的设备；实验室杀菌设备；可处理腐蚀性化学武器药剂、前体、乙烯基氯化物及其他化学药剂(如钠硫化物，芥子气药剂的前体)的玻璃线纹反应堆和专业水泵。

Nitric oxide ; hydrogen sulfide ; cystathionine-γ-lyase ; hypertension ; smooth muscle cells

一氧化氮；硫化氢；胱硫醚-γ-裂解酶；高血压；平滑肌细胞

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。