查询词典 dioxide

Most of the martian air consists of carbon dioxide CO, similar to conditions on Venus

火星上的空气大部分是由二氧化碳组成的，与金星的情况相似。

Organizations can use the standardized method for calculation and emissions verification to ensure the measurement methods of 1 ton of carbon dioxide are the same anywhere in the world.

组织可以通过使用标准化的方法，计算和验证排放量数值，确保1吨二氧化碳的测量方式在全球任何地方都是一样的。

The effects of emulsions, pigments, conventional fillers, heat-insulation fillers and film thickness on the reflection and heat-insulation properties under infrared lamp are investigated in order to find the best materials for the heat-insulation coatings. It is found that both the titanium dioxide with high refractive index and the diatomite powder with micro pores possess the optimal reflection and heat-insulation properties, calcium carbonate also has sonic heat-insulation effect. However, the filler such as meerschaum, which in theory possesses the effect, has not shown heat-insulation function.

通过研究涂料配方中所用乳液、颜料、常规填料和隔热填料在红外灯下的反射、隔热和保温性能，发现高折射率的二氧化钛和含有微孔的硅藻土具有最佳的反射和隔热保温效果，轻质碳酸钙和重质碳酸钙具有一定的隔热保温作用，而理论上具有隔热保温效果的填料海泡石等并没有预期的效果。

Objective:To study the extraction in the processes of Weitongliying Soft Capsule after extracted by Supercritical carbon dioxide fluid.Methods:The most appropriate technology was screened based on the comparative study among the technology of ethanol circumfluence,ultrasonic extraction,water warm immersion and water decoction,with the concentration of menstruum, volume and extracting time as the evaluating factors,on the basis of orthogonal design.

目的：研究胃痛立应软胶囊制备中二氧化碳超临界流体（SFECO2）萃取后药材的提取工艺方法：对比乙醇回流、温浸、超声及水煎等提取工艺，以溶媒浓度、用量、提取时间研究因素，经正交设计进行提取工艺条件的优选。

The results show experiment have a higher removal rate and the last oxidized product of hydrothion and mercaptan in condensed state sulfide, could not be sulfur dioxide.

试验结果表明能达到较好的去除效果，硫化氢、硫醇的最终氧化产物可以不是二氧化硫，而是凝聚态的硫化物。

The feasibility study on degradation of organic phosphorous pesticide by photocatalysis with the existence of dioxide titanium has been introduced in this paper, which signify that 90% COD can be removed and all the organic phosphorous turned into the inorganic provided that COD and organic phosphorous in the influent is 650 mg/L and 19.8 mg/L respectively and the wastewater is irradiated 4 hours with the strength of 375 W mercury arc lamp.

在TiO2粉末的存在下，研究光催化降解有机磷农药废水的可行性。结果表明，CODcr650mg／L，有机磷19.8mg／L的有机磷农药废水在375W中压汞灯照射4h，COD去除率为90％，有机磷将完全转化为无机磷。

Most leaves are thin, to allow light and carbon dioxide penetrate effectively into the mesophyll, to increase the rate of

大部分叶片都是很薄的，它们容许光和二氧化碳有效地进入叶肉组织，因而光合作用得以加快。

Utilization of carbon dioxide and propylene as starting material for direct synthesis of methacrylic acid has an attractive alternative to organic synthesis, environmental protect and utilization of carbon.

以CO_2和丙烯为原料直接合成甲基丙烯酸，在合成化学、碳资源利用和环境保护等方面均有重大意义。

The results show that the higher yield of CNF obtained by decomposition of carbon monoxide than that of methane over a series of alumina supported Ni/Fe catalysts prepared by deposition-precipitation method is attributed to the role of produced carbon dioxide and the different carbon diffusion mode on metal particle.

结果发现： 1。当采用CO为碳源时，催化剂在36小时内具有较为稳定的活性，当采用CH〓为碳源时，催化剂中Fe的存在不利于得到较高产率的纳米碳纤维；不同的纳米碳纤维产率与生长过程中形成的CO〓及碳在金属表面或者体相中的传递行为密切相关； 2。

Under the experimental conditions, conversions of methane and carbon dioxide were from 30% to 65% and from 10% to 50%, respectively.

在实验条件下，甲烷和二氧化碳的转化率分别在30％～65％和10％～50％之间。

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。