查询词典 dioxide

According to the Shenzhen environmental sector test data indicate that century village near 2 degrees lower temperature than the surrounding areas, the total floating debt particles from the air drop 80%, 90% reduction in carbon dioxide content.

据深圳环保部门提供的检测数据表明，世纪村附近的气温比周边地区低2度，空气中总浮悬颗粒物下降80％，二氧化碳含量减少90％以上。

After years of efforts, our products have proceeded from a sole category to diversified, packaging and serial categories, such as Heptafluoropropane (HFC-227ea) Fire Extinguishing System, High Press Carbon Dioxide Fire Extinguishing System ,Fluoroform (HFC-23) Fire Extinguishing System, Integrate Gas IG-541 Fire Extinguishing System, Foam Extinguishing System , Fire extinguisher , Water fire-fighting system, Special grade inorganic fire resistant roller shutters, Composite steel fire resistant roller shutters, Fire damper, Smoke fire damper, Low-noise cabinet centrifugal fire blower, Axial flow fire smoke exhaust blower, etc. All technical specifications fully satisfied the level of national standard.

经过多年的努力，公司的产品经历了由单一品种到多元化、配套化、系列化的发展过程，现有七氟丙烷（HFC-227ea）自动灭火系统、高压二氧化碳自动灭火系统、三氟甲烷(HFC-23)自动灭火系统、混合气体IG-541自动灭火系统、泡沫灭火系统、灭火器、水消防系统、特级无机复合防火卷帘、复合型钢质防火卷帘、防火阀、排烟防火阀、低噪声柜式离心消防风机、轴流式消防排烟风机等产品，所有产品各项技术指标完全达到国家标准。

The proposed method was fast,accurate,simple,and has been applied to determine silicon dioxide content in the fluorspar in the routine determination wi.

研究了硅钼蓝分光光度法测定氟石中二氧化硅含量的快速分析方法。

Optimal concentration range of iodine, sulphur dioxide formamide and ethylene glycol in the electrolyte is obtained.

并得到了卡尔·费休试剂配制的电解液中碘、二氧化硫、甲酰胺和乙二醇的最佳浓度范围。

The influence of the concentration of iodine and sulphur dioxide in the Karl-Fischer reagent and formamide concentration in the electrolyte on the reaction rate is investigated.

本文研究了卡尔·费休试剂中碘、二氧化硫和电解液中甲酰胺的浓度对反应速率的影响。

The semimicro fractional distillation and the semiconducting refrigeration techniques were applied to the fast determination of sulfur dioxide in foodstuffs.

提出了一种采用半微量蒸馏-半导体制冷技术的食品中二氧化硫快速提取的新方法，研制出了可在15 min内完成二氧化硫提取的食品检测快速蒸馏提取装置。

Phosphine ; carbon dioxide ; cylinder fumigant ; fumigate

磷化氢；二氧化碳；混合钢瓶剂型；熏蒸

Such a bubble like the green chrysanthemums on certain problems, though colors looked pretty, but it may have been fumigated with sulfur dioxide.

像这种一泡就绿的菊花肯定有问题，虽然看着颜色漂亮，但很可能是用二氧化硫熏蒸过的。

The wheat with injurious insects were treated by means of the mixed fumigation with phosophine and carbon dioxide with the aid of a mixed fumigator.

本试验用仓外混合熏蒸机以磷化氢和二氧化碳混合熏蒸方式处理有虫小麦。

The ethanol from biomass removes impurities, for example carbon dioxide, fusel oil ect, in ethanol distillation process, and then goes into the reactors for dehydration reaction in gaseous state after preheating vaporization.

由生物质制得的乙醇在精馏段除去二氧化碳、杂醇油等杂质，精馏后的乙醇经过预热汽化在气相状态下进入反应器进行脱水反应。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。