查询词典 sulfur dioxide

In this paper, silica was selected to improve the hardness of silicone rubber, cerium dioxide was selected to improve the thermal stability, we also investigated the effect of different size and different dosage of cerium dioxide to the thermal stability of high hardness silicone rubber, and analysed elasticity especially.

通过添加气相法白炭黑增加硅橡胶硬度，添加金属氧化物改善硅橡胶热稳定性。

In the D〓EpD〓 bleaching sequence, replacing chlorine dioxide stage with hydrogen peroxide, that is to say, with the DEpP sequence, we can not only decrease the chlorine dioxide charges, but also obtain higher brightness pulps.

用H〓O〓代替部分ClO〓，即采用DEpP程序，不仅可以减少ClO〓用量，而且可以获得白度略高的漂白浆。

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。

The problem in using titanium dioxide as a photocatalyst is recombination of electron and hole. One strategy for inhibiting theirs recombination is to add other electron accepters to the reaction. It can reduce the electron/hole recombination and then produce more ·OH on the surface of titanium dioxide, from which increased the degradation rate of the pesticide.

二氧化钛作为光催化剂进行光催化降解的问题在于电子—空穴对的重新复合，抑制其重新复合的一种办法是加入其他的电子接受体，减少电子—空穴对的复合，从而使光催化剂TiO2表面产生更多的·OH自由基，加强农药的光催化降解。

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。

Cellulose, mannitol, hydroxypropyl methylcellulose phthalate, citric acid, sodium starch glycolate, glyceryl triacetate, modified cellulose gum, stearic acid, colloidal silicon dioxide, titanium dioxide and yellow ochre.

纤维素，甘露醇，羟丙基甲基纤维素邻苯二甲酸酯，柠檬酸，淀粉钠乙醇，三醋酸甘油酯，改性纤维素胶，硬脂酸，胶质二氧化矽，二氧化钛和黄赭色。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。