Although conventional chemical degumming processes can remove most gum from bast fibers, they are usually time - and energy-consuming, high-cost and causing pollution to the environment.
目前常用化学脱胶工艺虽然可除去麻纤维中的绝大部分胶质，但脱胶时间长、耗能多、成本高，且污染环境。
In January 1994 an oil barge ran aground off the coast of San Juan, Puerto Rico, leaking its cargo of 750000 gallons into the ocean while causing the pollution of the city's beaches.
1994年1月，一艘油驳船在波多黎各圣胡安海岸触礁，将75万加仑的货物泄漏到海洋中，并污染了该市的海滩。
Third, pollution from trucks and smoke covers glaciers with carbon soot so that their surfaces become darker and less reflective - causing them to melt more quickly.
第三，汽车尾气污染和烟雾使冰川被碳烟灰所笼罩，从而使冰川颜色变得更深而缺乏反射性——因而导致冰川加速融化。
Air pollution is now causing a growing clamour and land turns out to have a myriad valuable USES.
空气污染引起越来越多的关注，对于土地使用也越来越多样化。
A few years ago all factories changed from wood to coal causing further problems with pollution, the factories have been pushed out of the city limits because of this issue.
几年前，所用的燃料从木材变成了煤炭，造成了进一步的污染问题，结果砖厂被赶出了市区。
Most of the houses are protected against this pollution, however, so Doucette and his team suspected something else was causing the problem.
所以，多赛特和他的团队怀疑是别的原因导致了室内空气的污染。
Five states - including New York and New Jersey - sued the plant's owner, Allegheny Energy, claiming the air pollution was causing respiratory diseases and acid rain.
包括纽约和新泽西的五个洲，都将这个工厂的主人，阿勒格尼能源公司告上法庭，称由该工厂产生的空气污染是造成呼吸道疾病和酸雨的主要原因。
China Daily reports that more than 5, 000 tons of highly toxic industrial waste were dumped illegally in rural areas in Yunnan province, causing livestock deaths and soil and water pollution.
据《中国日报》报道，5000多吨剧毒化工废料在云南省的农村地区被非法倾倒，造成家畜死亡、土壤水源污染。
"The heat wave and pollution flushed into the lakes by the rains in May are causing red algae to thrive, " Xingqing Palace Park`s spokesman Liang Zibin said.
兴庆宫公园的发言人梁子斌说：“五月的雨水将一些污染物冲入湖中，再加上持续高温使得赤藻大量繁殖。”
But variables like pedestrians in crosswalks, large crowds and vehicle wrecks can throw a carefully designed system out of whack, leading to annoying and pollution-causing traffic jams.
但是，正在穿越人行横道的路人、摩肩接踵的人群以及道路上抛锚的事故车等不确定因素都可能让一套精心设计的系统崩溃失常，导致恼人而又产生污染的交通拥堵。
The burning produces wastes some of which remain in the air causing air pollution.
燃烧产生的废弃物其中一些仍然在空中造成空气污染。
Pollution from sewage or farm waste can cause excess algae growth, starving the water of oxygen and causing fish and other species to die off.
从下水道或者农场里出来的污染水引起藻类的过度生长，造成水里的氧气严重缺失，以至于鱼类和别的物种相继死去。
They have found that we are causing air pollution, deforestation, acid rain, and other problems that are dangerous both to the earth and to ourselves.
他们发现，我们正在造成空气污染，森林的消失，酸雨，及其他既对地球也对我们自己有危险的问题。
Rapid industrialisation around Beijing is causing alarming levels of air/water pollution.
北京周围的快速工业化导致了警戒级别的空气/水污染。
The burning produces wastes, some of which remain in the air, causing air pollution.
燃烧产生的废弃物，其中一些仍然在空中，造成空气污染。
Phosphorus pollution is the main factor causing eutrophication of water.
磷污染是造成水体富营养化的主要因子。
Electronic Waste disassembling was an important factor causing soil heavy metals pollution.
电子废弃物拆解是导致的土壤和环境的重金属污染的一个重要人为因素。
Firstly, as a matter of fact, industrial pollutants account for more than 80% of the land pollution which is now causing us huge problems in every aspect of our lives.
首先，事实上，工业污染对土壤的污染超过了80%，现如今，这些影响到了我们生活的各个方面。
But more importantly, damage to farmland, causing all kinds of pollution, wildlife species face extinction.
但更重要的是对农田造成破坏、造成各种污染，野生物种面临灭绝。
Irrigating soil with sludge and sewage is one of main reasons causing soil heavy metal pollution.
施用污泥及污水灌溉是造成土壤重金属污染的重要原因之一。
Irrigating soil with sludge and sewage is one of main reasons causing soil heavy metal pollution.
施用污泥及污水灌溉是造成土壤重金属污染的重要原因之一。
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