正如我们所说,这些热液喷口正在向海洋深处释放这种强热的水,含有一种叫做硫化氢的化学物质,和一种气体,二氧化碳。
As we said, these hydrothermal vents are releasing into the ocean depth this intensely hot water that contains a chemical called hydrogen sulfide, and also a gas, carbon dioxide.
这些细菌实际上就是硫化氢和二氧化碳的结合体,而这种化学反应产生的有机物质是更大的有机体的食物。
These bacteria actually combine the hydrogen sulfide with the carbon dioxide and this chemical reaction is what produces organic material which is the food for larger organisms.
泉水上部的石块被绿色生物膜覆盖,它通过阳光和硫化物自然的发生化学反应生存。
The top of the springs' rocks are covered with green biofilms, which use both sunlight and sulfide-naturally occurring chemicals from the springs-to survive.
近十年前的研究表明,许多动物事实上利用硫化氢来扩张血管。产生血流扩张的化学物质被称作血管扩张剂。
Research early this decade revealed that many animals actually use hydrogen sulfide to help expand blood vessels. Chemicals that create these expansions in blood flow are called vasodilators.
系统阐述了硫化矿细菌浸出体系细菌生长及细菌存在时硫化矿氧化的电化学理论。
In this paper, the electrochemical theory about the bacteria culture in sulfide bio-leaching system and, sulfide oxidation mechanism in the presence of bacteria were elucidated systematically.
论述了国内外关于磨矿环境对硫化矿物表面形态与性质、矿浆化学性质及其浮选行为的影响。
It's described the influence of grinding environment on the surface morphology and property, the chemical property of pulp and its flotation behavior of sulfide minerals at home and abroad.
用化学法对硫化橡胶成分进行定性、定量分析,对新产品开发有实际指导作用。
The compositions of vulcanized rubber are qualitatively and quantitatively analyzed by chemical analysis method. This is of great importance as a practical guidance in developing new products.
实际口臭的原因是细菌大量繁殖导致的酸性及化学物如吲哚美欣,及硫化物等等出现的气味。
The actual causes of bad breath is caused by the large population of bacteria and chemicals such as acid indomethacin-yan, and the smell of sulfur and so on there.
实验表明,硫化引起橡胶物理化学性质发生变化和吸波体致密度的提高,从而影响电磁参量和吸收率。
Experiments show that sulfuration induces changes of physics-chemistry characteristics of rubber and increase of density of absorbers, so affecting electromagnetic parameters and absorption.
本文基于化学反应沉淀法的基本原理,通过设计不同的工艺路线和工艺条件制备硫化锰微细粉末。
Based on fundamental of chemical precipitation, the superfine manganese sulfide was prepared by designed different technologies and conditions.
把这种方法叫做“硫酸盐法”是有错的,因为它表示蒸煮液中的活性化学物质是硫酸盐,然而事实上是氢氧化钠和硫化钠。
The term "sulfate" is therefore misleading, since it implies that sulfate is the active cooking agent, whereas it is actually sodium hydroxide and sodium sulfide.
硫化层主要通过化学反应和原子扩散过程而形成。
The sulphuration coating was formed mainly by a chemical conversion, not only by a diffusion process.
叙述了二硫代磷酸硫化氧钼的化学结构、制备方法、使用性能及应用前景。
The chemical structure, preparation methods, properties and application prospects of MoDDP were reviewed in this paper.
仅通过添加少量电化学调整剂实现了硫化共生矿石的无捕收剂电化学浮选。
The collectorless electrochemistry flotation of commensal sulphur minerals is realized by adding a small quantity of electrochemical regulators.
通过量子化学计算、亲固能计算以及能带结构分析等方法探讨了焦性没食子酸对硫化矿物的抑制机理。
The mechanism of pyrogallic acid depressing sulphide minerals has been discussed by means of HMO calculation, interaction energy and energy band structure.
暴露于工业或环境化学品如一氧化碳或二硫化碳也可以有这种效果。
Exposure to industrial or environmental chemicals such as carbon monoxide or carbon disulfide can also have this effect.
金矿质在韧性剪切带中与氧化硅和硫化物形成配合物在深部流体中沿着化学位梯度方向迁移和富集。
In ductile shear zone, the gold is migrated and enriched in deep fluid with silica and sulfide in forms of the complex driven by the chemical potential.
此外,本文对化学催化氧化法转化硫化物的规律和机理,及光化学氧化法降解有机物的机理进行了初步探讨。
Furthermore, the thesis was discussed primarily the degradation principle of sulfide and mechanism of chemical catalytic oxidation on sulfide and photochemical oxidation on organic mechanism.
应用结果表明:选择化学清洗预防硫化亚铁自燃,效果明显,且无腐蚀、无污染,简单、快捷。
The result showed that by using chemical cleaning media to prevent autoignition of ferrous sulfide, the effect is obviously good with no corrosion, no pollution, and simple and quickly.
硫化物烟囱显示明显的矿物-化学分带。
浸入这种燃料中的银片与活性硫化物相互作用,因发生电化学反应而被腐蚀。
A polished silver strip incubated in such fuels interacts with active sulphide and is corroded by electrical-chemical reaction.
地壳中能够料想到的最重要的放热化学反应是硫化物的化学转变。
The most important exothermal reactions in the crust can be expected from the chemical transformations of sulfides.
金属骨架经喷砂或表面化学处理并用溶剂清洗之后,涂FR 1型粘合剂,经预烘干后与橡胶进行热硫化粘着,效果良好。
After blasting or surface treatment chemically and cleaning by solvent, the metal insert was plated FR1, predried, then adhered by thermal cure, a good effect was gained.
该气田腐蚀主要有硫化物应力腐蚀和酸性气体的电化学失重腐蚀两类。
In this gas field, there are mainly two kinds of corrosion-sulfide stress corrosion and electrochemical weightlessness corrosion by sour gas.
提出了一种新的从硫化银直接制备金属银的湿化学方法。
A new wet-chemical method for producing metallic silver directly from silver sulfide was proposed.
硫化物;多硫化物,不论是否已有化学定义。
Sulphides; polysulphides, whether or not chemically defined.
应用线性电势扫描法研究硫化矿的纯矿电极与碳糊电极体系在氯化钠电解液中的电化学行为。
The cyclic voltammetry curves of sulfide mineral electrodes or corresponding carbon paste electrodes in NaCl electrolytes have been obtained in this study.
主要通过选择适当的主体材料和配合体系以及对硫化胶进行表面化学处理来提高NBR硫化胶的综合性能。
The all-round performance of NBR can be raised by selecting proper raw material, proper formulation and surface chemically treatment.
主要通过选择适当的主体材料和配合体系以及对硫化胶进行表面化学处理来提高NBR硫化胶的综合性能。
The all-round performance of NBR can be raised by selecting proper raw material, proper formulation and surface chemically treatment.
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