查询词典 pollution

The problems of air pollution and acid rain are likely to worsen.

空气污染和酸雨的疑问可能会更加严重。

The prediction of acid rock drainage generation potential is of importance to prevent and control environmental pollution in mining areas.

酸性岩排水潜力预测研究对于预防、控制和治理金属矿山环境污染问题具有重要意义。

Many of the world's coral reefs are threatened by ocean acidification and pollution, among other things.

世界上许多珊瑚礁受到威胁的海洋酸化和污染等因素的影响。

Other threats include human pollution, acidification from carbon dioxide and rising temperatures in Earth's atmosphere.

其它威胁还包括人类的污染、二氧化碳酸化，以及地球大气层气温的上升。

Because acid rain can transport excessive hydrogen ion into the soil, then cause decrease of pH value and cation saturation, accelerate acidify of soil, therefore, it is significant to study the ecological effects of combined pollution for heavy metals under intimidation of acid rain in the regions where acid rain often take place.

土壤吸附-解吸试验的土壤按照既定方案处理后，在25±1℃，土壤水分20％左右条件下培养2个月，待重金属元素与土壤的反应基本稳定后制样进行等温吸附—解吸试验，研究紫色土在单一及复合条件下镉、锌的吸附特征和酸雨胁迫下的解吸特征以及此条件下吸附一解吸与镉、锌生物有效性的关系。

By adopting phosphowolframic acid loaded by Al2O3 as catalyst for preparing acrolein, the corrosion of equipments could be avoided and the environmental pollution was decreased and the glycerol conversion and mole selectivity of acrolein would be increased greatly.

结论］采用Al2O3负载的磷钨杂多酸作为催化剂制备丙烯醛可避免对设备的腐蚀，减少对环境的污染，大大提高甘油的转化率和丙烯醛的摩尔选择性。

Activated carbon materials are widely used in air pollution treatment because of their well-developed porosity and high surface area.

活性炭材料因具有丰富的孔结构和较大的比表面积，而被用于大气污染治理。

Research and application of activated carbon adsorption technology is the important subject to solve the drinking water of organic pollution.

研究和应用活性炭吸附技术是解决饮用水有机物染的重要课题。

We agree with his acute analysis of the environmental pollution.

我们都同意他对环境污染问题的深刻分析。

This thesis makes harmonics analysis and simulation to the main electric devices of φ 76 Unit in order to seek solution to harmonics pollution of them. Field harmonics data of operating devices is recorded and compared to simulation results. The two are in good agreement. Then, power filter is designed and added to original circuit.

为了针对这些设备进行有目的、有根据的谐波治理方案设计，本论文对现有的Φ76机组的部分主要电气设备进行了谐波分析和仿真，并且用谐波检测仪器进行了设备处于工作状态之下的现场谐波测试，然后把仿真结果与现场谐波检测结果进行了对比，对比证明了仿真的正确性。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。