查询词典 particulates

China has already begun to realize the importance of addressing environmental issues that have a direct and immediate impact on quality of life, such as water pollution and air-borne particulates.

中国已经开始认识到解决直接影响人们生活质量的环境问题（如水污染和空气中的污染微粒）的重要性。

The experimental results show that most of the diesel particulates are wad-shaped and chain-shaped and composed mainly of organic compounds or carbon particles covered with organic compounds. The peak value of the diesel particle size distribution is about 40 nm. In the exhaust gas, the PM concentration was 32. 6mg/m~3～143.6mg/m~3, NO_x 208 × 10~(-6)～ 568×10~(-6), SO_2 18 × 10~(-6) and HC about 16 × 10~(-6)..

实验结果表明，颗粒物大多呈絮状及链状形态，其构成主要为有机物或为有机物所覆盖的碳微粒，粒径分布峰值约为40nm；柴油机废气中颗粒物浓度为32.6mg／m~3～143.6mg／m~3，NO_x浓度为208×10~(-6)～568×10~(-6)，SO_2和HC化合物浓度分别为18×10~(-6)和16×10~(-6)。

Using coke in iron ore reduction produces copious quantities of airborne particulates.

炼铁过程中使用焦炭，会在空中形成大量的悬浮粒子。

The carbon filter can capture more than140 different contaminants, including lead, mercury, fibro, radon, dirt and particulates as small as 0.2 microns in size (1/500th the diameter of a human hair).

活性碳滤心能减少超过140种污染物，包括铅、水银、石棉、氡、污垢及小至0.2微米的微粒(约人类头发直径的1/500)。

Downdraft stratified gasifier is suitable for small scale heat and power production due to the fact that its producer gas contains low tar and low particulates.

以下抽式气化炉可制造出低焦油量与低粒子之乾净产气，非常适合小型之热电共生系统来使用。

M: Using transmission electron microscope and x-ray diffraction method, we have studied samples of aer-borne particulates, collected in Chongqing, which are seriously suffered from acid rain.

例：本文利用投射电镜和 X 射线衍射技术对酸雨危害较为严重的重庆市区大气颗粒样品进行了较为细致的研究工作。

The composite material reinforced by the nanometre sized SiC particulates is more homogeneous and fine in microstructure and its hardness and electrical resistance are superior to the composite made of micrometre sized SiC to a great extent.

与微米颗粒相比，纳米颗粒增强的复合材料组织均匀而细小，硬度及电阻均有较大幅度的升高。

Free protons, unlike the hydroxyl groups needed for silane reaction, are present on almost all three-dimensional particulates, which is claimed to make titanates more universally reactive.

不象硅烷反应那样需要羟基，自由质子存在于几乎所有的三维粒子上，这使得钛酸酯具有更加普遍的反应能力。

These characteristics can be used to trace the sources of PAHs in atmospheric particulates.

利用这些特征的不同可以示踪大气颗粒物中多环芳烃的来源。

The mechanism of the filtrating and trapping effects on the diesel particulates is studied. Some analyses are made on the selection of the trap materials as well as their working processes. Experiments are taken to determine the resistance characteristics and trapping abilities of the ceramic foams.

开展了对柴油机碳烟微粒过滤捕集净化的研究，详细分析了各种过滤捕集介质的选择及其工作机理，对不同规格陶瓷泡沫体的阻力特性和捕集净化碳烟微粒能力进行了试验研究。

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。