查询词典 titanium dioxide

In order to study the seasonal fluctuations of the environmental factors in the burrows of plateau zokors, the temperature and humidity were measured directly by thermo-hygrometer, the water content of the soil was measured by using the drying cabinet, oxygen and carbon dioxide concentrations were measured using oxygen and carbon dioxide radiomete.

为了测定高原鼢鼠洞穴环境因子的季节性变化，我们用温湿度计、干燥箱和O_2、CO_2测定仪测定了春、夏、秋三个季节中高原鼢鼠洞道内的温湿度、土壤水分含量和气体组成。

In this paper,under the conditions of different concentration, pH, temperature the biocidal effect of chlorine dioxide and chlorine was studied,the result showed that chlorine dioxide is advantage over chlorine as oxidizing bactericide on circulat-ing cooling system.

通过对二氧化氯和液氯在投加量、pH值、温度等条件下灭菌效果的研究，证明二氧化氯在工业循环冷却水处理中作为氧化性杀生剂的效果要优于液氯。

It imply various complicated composition in the fuel, at burnable after produce various harmful material, even not the fuel with miscellaneous quality attains the complete combustion, also wanting to produce the water and carbon dioxides, positive because the fuel combustion makes the carbon dioxide in the atmosphere density increased continuously, breaking the balance of the nature carbon dioxide, to go to and may cause" green house effect", cause the Earth air temperature rise.

燃料中含有各种复杂的成分，在燃烧后产生各种有害物质，即使不含杂质的燃料达到完全燃烧，也要产生水和二氧化碳，正因为燃料燃烧使大气中的二氧化碳浓度不断增加，破坏了自然界二氧化碳的平衡，以至可能引发&温室效应&，致使地球气温上升。

Under supercritical carbon dioxide conditions, the reaction of carbon dioxide and epoxides occurred with zinc maleate as the catalyst.

在超临界二氧化碳中，利用马来酸锌催化二氧化碳与环氧化物反应合成环状碳酸酯。

The effect of carbon dioxide's multiple extraction s on wax precipitation temperature in formation oil was studied under the condition of carbon dioxide miscible flooding in Fan124 fault formation oil of Shengli Daluhu Lake Oilfield through SDS solid precipitation measurement system.

利用SDS固相沉淀测试系统，针对胜利大芦湖油田樊124断块地层原油特性，研究了CO2混相驱条件下，CO2的多次抽提对地层油组分和析蜡温度的影响。

Carbon Dioxide Therapy refers to the administration of minute amounts of Carbon Dioxide gas just beneath the skin surface.

二氧化碳治疗指的是行政分钟大量的二氧化碳气体只是下面的皮肤表面。

Gypsum mine owned companies rich reserves of high quality, an area of 3 square company, has proven reserves of 390 million tons, the annual extraction capacity of 300,000 tons, gypsum dihydrate of the total reserves of 40 percent, of which an egg cream Dihydrate 10-15% of gypsum, in more than 95 percent grade, crystal water in more than 18 per cent, accounting for two gypsum plaster dihydrate of 30-40 per cent, with an average grade of 85 percent or more, crystal water in more than 17 per cent, 3 Sulphur dioxide in more than 40 percent, 3 gypsum, with an average grade of 70 percent or more, the crystallization of water in 13 percent or more, three more than 35 per cent in sulphur dioxide, widely used in cement industry.

公司所属石膏矿山储量丰富、品质优良，占地3平方公司里，已探明的储量为3.9亿吨，年开采能力为30万吨，二水石膏占总储量的40%，其中一级蛋膏占二水石膏10-15%，品位在95%以上，结晶水在18%以上，二级膏占二水石膏的30-40%，平均品位在85%以上，结晶水在17%以上，三氧化硫在40%以上，三级石膏，平均品位在70%以上，结晶水在13%以上，三氧化硫在35%以上，广泛用于水泥行业。

The experimental results show that the lead sulphate, which is formed by reducing lead dioxide, can be reoxidized to lead dioxide within 1min at 1.4V.

实验结果表明在0.9V还原二氧化铅而得到的硫酸铅能在1.4V于1min内氧化为二氧化铅。

The aim of this research was to decrease the residual of sulfur dioxide and control the release of free sulfur dioxide in malolactic fermentation.

本文研究目的是在发挥二氧化硫的作用下，尽量地减少其残留量和控制游离二氧化硫在苹果酸乳酸发酵中的释放。

I plant specializing in the production of carbon dioxide gas, nitrogen, hydrogen, oxygen, torch gas, nitrogen, vinyl chloride, propylene gas, liquefied petroleum gas, natural gas, liquefied petroleum gas, ammonia, sulfur dioxide and other processes of the compressor.

我厂专业生产二氧化碳、煤气、氮氢气、氧气、火炬气、氮气、氯乙烯、丙烯气、石油气、天然气、液化气、氨气、二氧化硫等工艺性压缩机。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。