查询词典 rain-print

A set of the laboratory experiments were also performed to simulate the physical and chemical changes in the rain fall process and to study the factors affecting the pH value of cloud water.

以往的研究表明，大气中酸性物质的增加、碱性物质的减少或促使这种变化发生的条件的出现均为导致雨水酸化的决定因素。

So more steelmills and chemical plants mean more acid rain and smog, not to mentionglobal warming.

这意味着多一些炼钢炉和化工厂，就会有多一些酸雨和烟雾，更不用说全球变暖问题了。

Lucy : Chemical rain gradually destroys trees in the forests and kills the fish in the lakes.

露西：酸雨破坏树林里的树木和毒害池塘里的鱼。

Chemical acid rain treat have two way,one is need perfect envinonmental law and strong excute the law,two is depend on advanced technology and facility.

酸雨的防治，一靠完善的环境法规和执法力度；二靠先进的技术和设备。

Chemical rain ; Formation ; Harm ; Prevention

酸雨；形成；危害；防治对策

Study on Chemical Features of Acid Rain in Luchongguan and Leigongshan Regions, Guizhou Province

贵州鹿冲关和雷公山酸雨化学特征的对比研究，敖子强；瞿丽雅；林文杰；赵宇中；彭世寿-66文免费论文库，大学生论文库

The counter measures of solving these problems were suggested as follows: firstly, using water resources and fertilizer reasonably and choosing salt tolerance crops to control saltinization; secondly, choosing acid tolerance feed and using the chemical method to control acid rain; finally, soil erosion could be controlled by bioremediation.

对于三种生态环境问题，提出的控制对策如下：盐渍化的治理对策为合理用水、施肥，种植合适的耐盐作物；酸沉降治理对策为种植抗酸作物和采用化学调控方法降低降对作物的损害；水土流失使用生态恢复工程和生态重建工程进行治理。

The values of chemical oxygen demand of raw rain water reached to 1.91～2.21 mg/L. The removal rates induced by water purifier were 9.5%～21.8% for COD, 12.1% and 13.1% for total organic carbon and humic acid respectively.

雨水耗氧量1.91～2.21mg／L，其去除率9.5％～21.8％；总有机碳和腐殖酸的去除率分别为12.1％和13.1％。

Soviet guerrilla base in Afghanistan when burning and looting raids; of the village farmland to dispenser anti-personnel mines, cast "Black Rain" chemical weapons.

苏军在对阿富汗游击队根据地扫荡时要烧杀抢掠；对村庄农田要布撒杀伤地雷、施放"黑雨"化学武器。1980年1月，苏军在。。。

Today's earth faces many a problem of environm en t and ecosystem:"greenhouse effect",chemical pollution,acid rain,sand dust dev il,went short of water wealth,water and soil bereave,soil fallen into desert,spe cies eradication,forest demolish,etc.

今天的地球面临着许许多多的环境和生态问题，"温室效应"、化学品污染、酸雨、沙尘暴、淡水资源匮泛、水土流失、土地沙漠化、物种灭绝、森林破坏等等。

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。