查询词典 water pollution

The inner layer is made up of poisonless polytheve with no second pollution,it is an ideal product for drink water and food pipelines tested by China Sanitation and Antiepidemic Department.

内层材料为食品级聚乙烯，卫生无毒，无二次污染，经国家卫生防疫部门检测，是最理想的饮用水和食品管道。

Ultra-high molecular weight polyethylene is a special product in technical plastics which possesses a number of outstanding properties,including high toughness, high wear resistance, very good resistance to chemicals. It is poisonless, no pollution and contamination, recyclable, and size-stable as it resists to moisture and water absorption.

超高分子量聚乙烯性能优异，无毒、无污染、能回收利用、不吸水、尺寸稳定、抗磨损性能卓越、冲击韧性高、吸震防噪、摩擦系数小、不粘附、并且具有自润滑、耐低温、耐腐蚀的特性，是一种对环境和人体友好的绿色材料，广泛用于机械、食品、医疗设备等行业。

For the sake of developing an effective, safe and no pollution disinfectant to reduce or eliminate food-borne pathogens on shell eggs, the bactericidal activity of neutral electrolyzed water (NEW, pH 6.0-7.5) generated by electrolysis of diluted hydrochloric acid in a non-membrane electrolytic cell for inactivation of Salmonella pullorum, Escherichia coli O157:H7 and artificial inoculated shell eggs initial logarithm of population of two pathogens on the eggs were approximately 6.19-6.26 log10 (cfu/g and 6.12-6.19 log10 respectively was evaluated.

为寻求一种高效、安全、无污染的禽蛋清洗消毒剂，采用无隔膜电解装置电解稀盐酸溶液制备中性电解水（pH值6.0～7.5）考查不同有效氯浓度、处理时间和温度条件下中性电解水对鸡蛋人工接种鸡白痢沙门氏菌（Salmonella pullorum，鸡蛋表面的初始菌落数对数为6.19～6.26 log10）和大肠杆菌O157：H7（鸡蛋表面的初始菌落数对数为6.12～6.19 log10）的杀灭效果。

Food is god for the people, utilize solar energy to cook and cut down the forest reducibly , is favorable to water and soil conservation, reduce the air pollution caused by the fact that the timber is burnt at the same time , according to the incomplete statistics, Nigerian timber used to cooking is more than 100 million every year.

民以食为天，利用太阳能做饭可减少砍伐林木，有利于水土保持，同时减少因木材燃烧造成的空气污染，据不完全统计，尼每年用于做饭的木材为1亿立方以上。

The study aimed to investigate the effects of Salvinia natans on removing nitrogen and phosphors in surface water with different pollution levels under lower temperature and its growth.

考察槐叶萍在较低温度下对不同污染水平的地表水的氮磷去除效果及其生长情况。

Drawing of the side syndiospecific pressure sphere of axis, as installed in the bucket, in production operation, may drop of liquid water on, plus the fact that after transmission and paerboard paper′s of chaetomium, cards and membership cards make dusting, and so on from pollution caused by the secable set.

侧规不推纸压球的轴心，由于安设在水斗的底下，在出产本质操纵历程洋，不定会滴上水斗液，加之经过负纸不活带来的的纸毛、制卡和会员卡制息喷粉等尘埃的浑浊而导致生锈咬不松。

Defective food is often a result of horrendous industrial pollution that has seeped into the water and soil.

食品问题往往是由于可怕的工业污染物进入水和土壤而造成的。

Then the condition and the catalyst of the reactions were confirmed. The characteristic analysis result of products reveals that the coatings has the advantages of the short drying time, good water resistance and high solidness .If it can be applied in practice, we can get rid of pollution of the traditional coatings which contains poisonous reagent which is composed of toluene and xylene.

本文对上述工艺中所涉及到的各步反应都作了详细的讨论，确定了反应的条件和催化剂，并对所得实验室产品进行了分析，结果发现，该涂料具有干燥时间较短，耐水性、硬度较好的特点，我们希望它能够得到实际的应用，使传统涂料摆脱工业用甲苯、二甲苯有毒试剂的污染物的困扰。

In order to minimize the pollution of the environment with waste acids and/or waste acidic salt solution, following measures were taken:(1) Instead of using excess sulfuric acid, sulfonation reaction was carried out in the presence of excess toluene and the water produced during the sulphonation was removed by azeotropic distillation.

在CLT酸生产中，为了使废酸和酸性废盐水对环境的污染减少到最低程度，采取了如下的措施：(1)与使用过量硫酸相反，磺化反应是在过量甲苯的存在下进行，同时用共沸蒸馏方法移出了磺化过程中产生的水。

Rotenone to the development of solid or non-pollution of water-based pesticide formulations, developed into a highly efficient, low toxicity, low-residue, the environmental safety of pesticides, both to improve control, reduce weight, reduce costs, while Virtue a wide range of pests, to expand the scope of prevention, but also delay the emergence of resistant pests, the Company from Tephrosia vogelii extracted rotenone, can stimulate the growth of crops to stimulate the proliferation of crop chlorophyll, especially in fruits, vegetables, tobacco, and peanut and other crops have yield significant role in the company's use of the rotenone-crystal research and development, the preparation of new pesticide products market with unlimited business opportunities!

把鱼藤酮研制成无公害的固体或水基性的农药制剂，发展成为高效、低毒、低残留、对环境安全的杀虫剂，既能提高防治效果，减少用药量，降低成本，又能兼治多种害虫，扩大防治范围，还能延缓害虫抗药性的产生，本公司从非洲山毛豆中提取的鱼藤酮，能刺激作物刺激作物叶绿素增生，尤其对于果、蔬、烟、及花生等作物具有明显的丰产作用，使用本公司的鱼藤酮晶体研究开发、配制新农药产品具有无限的市场商机！

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。