污染物质

There is a lot of pollution in the air here.

这里的空气有大量的污染物质。

Asphalt smoke is one of the pollution matters, which comes from the production or construction course and has direct influence on the air environment because of its fetor and irritating smell.

沥青烟是生产和建筑施工过程中产生的污染物质之一，该物质产生的恶臭和强烈的刺激味道直接影响周围的大气环境。

Semiconductor industry has been a central figure to the economic growth in Taiwan, especially for the fabrication sector of integrated circuit that has evolved into world-leading status. The fabrication technology advances so far that the feature size (or critical line-width) of IC devices has now broken the 0.1 ?慆 barrier and into the nano-scale age. This progress discloses that the traditional definition of a "cleanroom" environment may become increasingly inadequate because prevention of particulate contamination may no longer be a critical issue. As the condensable organic airborne molecular contaminants depositing on wafer surfaces, it results in deterioration on device performance and reduces semiconductor device yield.

半导体产业已成为我国最重要的经济发展产业，其中积体电路制造技术的快速发展，使我国早已跃升成为世界晶圆代工重镇之一，然而当制程的关键线宽尺寸突破0.1微米而正式进入奈米等级之际，传统针对微粒污染控制所设计之洁净室将无法符合气态分子污染物之洁净需求，其中凝结性有机分子污染物质(organic airborne molecular contaminants)一旦沈积吸附於晶圆表面，将导致元件缺陷与制程良率下降。

Clearance shall include but not be limited to tasks such as the removal of unwanted structures, removal of metallic and concrete debris, removal and disposal of any soil contaminated by diesel, bitumen or other polluting material, ripping to relieve compaction, grading, replacement of topsoil, and turfing and grassing as appropriate.

间隙应包括但不限于如不需要的结构，金属和混凝土碎片，搬迁和污染清除任何土壤处理消除任务柴油，沥青或其他污染物质，翻录，以纾缓压实，分级，更换的表土，并植草并酌情种草。

Both sediment and soil are formed by hypergenesis and are important receivers of the polluted substances in environment. However, they respectively come from different substance sources and receive different polluted substances.

水系沉积物和土壤都是表生作用的产物，是环境中污染物质的重要受纳体，但两者在物质来源和受纳污染物方面又有不同。

One reason is that some lees well-known nutrients and some nonnutrient food components could be important to health;some foods may be better sources of these than others .another reason is that monotonous diet may deliver large amounts of toxins or contaminants .each such undesirable item in a food is diluted by all the other foods eaten again.

原因有以下几点：其一是有的鲜为人知的营养素或非营养素成份实际上对健康及其重要。一些食物可能比其他食品含有相对较多的此类物质。另一个原因是单一的膳食可能含有大量的毒素或者污染物质。每一种食物中含有的不必要的成分可以被搭配的其他食品稀释，如果这种食品要几天后才再吃，那就会被进一步稀释。

Just like local pollutants or dissolution of the conglobated material, generally speaking it is a lower surface tension crater receptor of surface tension.

就像局部污染物质或溶解不完全的球形物质，一般来说其表面张力都要低于缩孔受体的表面张力。

In addition to the toxic substances mentioned above, tannery effluent also contains large amounts of other pollutants, such as protein, hair, salt, lime sludge, sulfides, and acids.

除了以上提到的有毒物质以外，制革厂的污水也包括大量的其它污染物质，例如蛋白质、毛发、盐、石灰渣、硫化物和酸。

Air pollution :空气污染 Air that has become saturated with harmful chemicals, carbon monoxides, dust, and other contaminants.

充满有害化学物质、一氧化碳、灰尘和其它有害物质的空气。

Air pollution :空气污染Air that has become saturated with harmful chemic als, carbon monoxides, dust, and other contaminants.

充满有害化学物质、一氧化碳、灰尘和其它有害物质的空气。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。