杂质

To study the effect of different types of web cleaner on the card sliver quality,we have done the comparison test between the guide plate web cleaner and the anti-teeth guided flat web cleaner under the condition of the same amount of air volume.

用USTER AFIS单纤维测试系统对上述条件所加工的生条进行了检测，结果显示：反齿导向盖板式棉网清洁器所生产的生条质量总体上要好于导板式棉网清洁器，其原因是反齿导向盖板排除短绒、杂质、棉结等的作用是一种&主动&作用，而导板式棉网清洁器对短绒、杂质、棉结等的排除是一种&被动&作用，梳棉机后罩板处棉网清洁器以采用反齿导向盖板式棉网清洁器为宜。

Inspecting amount of impurity and analyzing kinds of impure cotton help to improve on technologic methods for elementary processing cotton and lint of good quality.

检验杂质的含量和分析杂质的种类，有助于改进棉花初步加工的工艺措施，提高皮棉品质。

The invention discloses a high-voltage N-type metal oxide semiconductor, including a P-type substrate, a P-well drift region and an N-type drift region are arranged on the P-type substrate, a P-type contact hole, an N-type source and a field oxide layer are arranged on the P-well, an N-type drain and the filed oxide layer are arranged on the N-type drift region; the invention is characterized in that the thickness a grid oxide layer part which is positioned above the P-well is smaller than the grid oxide layer part which is positioned above the N-type drift region and a thin grid oxide layer and a thick thin grid oxide layer are respectively formed accordingly, a P-type impurity injection region is arranged in the P-well, and the P-type impurity injection region is positioned below the thin grid oxide layer.

本发明公开一种高压N型金属氧化物半导体管，包括P型衬底，在P型衬底上设有P型阱和N型漂移区，在P型阱上设有P型接触孔、N型源及场氧化层，在N型漂移区上设有N型漏及场氧化层，其特征在于位于P型阱上方的栅氧化层部分的厚度小于位于N型漂移区上方的栅氧化层部分并由此分别形成薄栅氧化层和厚薄栅氧化层，在P型阱内设有P型杂质注入区且该P型杂质注入区位于薄栅氧化层的下面。

It is found that the long wave absorption was relatively reduced and theabsorption edges were moved to the short wave direction after gettering.

晶体的性能主要是由材料内的剩余杂质决定的〔1，设法减少剩余杂质的含量对于提高器件性能和成品率具有重要意义。

The results showed 3 types of aluminum compound prepared in this paper all had good poison protection effectiveness on such impurities as stannous chloride,lead oxide,sodium hydrogen sulfate,and so on.Moreover,the mechanism of the poison of catalyst was also discussed.

结果表明，合成的3种防中毒剂即防－1、防－2(主要成分为乙酰丙酮合铝)及防－3(主要成分为二乙酰丙酮基异丙氧基铝)对二月桂酸二丁基锡、氯化亚锡、二正丁胺、硫脲、氧化铅及硫酸氢钠等杂质均有较好的防中毒作用；不同防中毒剂对不同杂质的防中毒作用有一定的选择性。

SGS shall also issue certificate of Non-radioactivity, Non-wood substance, foreign attachment, Plastic, wood, Dust, Stones, Oily materials, Heavy Rusty Materials, without harmful impurities and totally free of any type of explosives, including, but not limited to bombs, arms, ammunitions, torpedos, mines, shells, cartridges, sealed containers or tanks or envelops, gas cylinders, explosive materials, etc.

由瑞士通用公证行於装货地颁发的无放射、无木质、杂质、塑料、木头、尘埃、石头、油滑材料、严重锈蚀材料、无有害杂质和完全没有任何爆炸物，包括、但不限於炸弹、武器、弹药、鱼雷、地雷、炮弹、弹夹、密封容器或桶罐或包装、油罐、爆炸材料等证书费用由卖方负责。

Certificates of Non Radioactivity, Non-wood substance, foreign attachment, Plastic, wood, Dust, Stones, Oily materials, Heavy Rusty Materials, without harmful impurities and totally free of any type of explosives, including, but not limited to bombs, arms, ammunitions, torpedos, mines, shells, cartridges, sealed containers or tanks or envelops, gas cylinders, explosive materials, etc.

issued by Société Générale de Surveillance – Three (3) originals and Three (3) copies；由瑞士通用公证行颁发的无放射、无木质、杂质、塑料、木头、尘埃、石头、油滑材料、严重锈蚀材料、无有害杂质和完全没有任何爆炸物，包括、但不限於炸弹、武器、弹药、鱼雷、地雷、炮弹、弹夹、密封容器或桶罐或包装、油罐、爆炸材料等证书，正本 3 份和副本 3 份； 11.6。

SGS shall also issue certificate of Non-radioactivity, Non-wood substance, foreign attachment, Plastic, wood, Dust, Stones, Oily materials, Heavy Rusty Materials, without harmful impurities and totally free of any type of explosives, including, but not limited to bombs, arms, ammunitions, torpedos, mines, shells, cartridges, sealed containers or tanks or envelops, gas cylinders, explosive materials, etc.

由瑞士通用公证行於装货地颁发的无放射、无木质、杂质、塑料、木头、尘埃、石头、油滑材料、严重锈蚀材料、无有害杂质和完全没有任何*物

EC 22. Lead as impurity in RIG Faraday rotators used for fibre optic communications systems.

在光纤通讯系统中的稀土铁石榴石法拉第旋转器中的杂质铅；在光纤通讯系统中的稀土铁石榴石法拉第旋转器中的杂质铅

Putting the contaminated scrap into the bath directly without preheating and pyrolysing will increase the metal loss by oxidation, because the contaminants are containing oxygen, which will react with liquid aluminium immediately.

将含杂质的废铝在未经预热和热分解的情况下直接加入到熔池中会增加金属的氧化损失。因为杂质中含氧，直接加入到铝液中，会立刻与铝液发生反应。

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。