查询词典 repellent

The purpose of this research is to develop a kind of nano-based water repellent agent. By doping nano material appropriately, the water repellent agent may be able to increase the waterproof level of the boxboard effectively and also able to strengthen the boxboard.

本研究的目的是研制奈米级的拨水剂，藉由适度掺杂奈米材料，使拨水剂能有效提高防水效果，并提高纸板本身的强度。

The water-and oil-repellent multi-functional finishing agent DM-3640C showed,when used on cotton poplin,good water-and oil-repellent results could be obtained at low dosage(30 g/L DM-3640C and 4 g/L coupling agent DM-3911),water-repellency continuousness was good,the electrolyte influence on water-and oil-repellency was not obvious and wide pH and temperature r.

介绍了有机氟树脂的结构与性能特征，分析了其对织物防水防油的机理，拒水拒油多功能整理剂DM-3640C用于棉府绸整理时，在较低用量下(DM-3640C 30 g/L，架桥剂DM-3911 4 g/L)即可获得优良的拒水拒油效果。

Ten common repellent plants from domestic commercial market, including hot pepper, spearmint, camphor tree, cupressus gold crest, santa barbara rosemary, blue spires rosemary, lavender, lemon balm, lemon grass, citrus and sage, were evaluated for repellent effect on some household pests.

本研究选择国内一般常认为之防虫植物，包括辣椒、绿薄荷、樟树、香冠柏、匍匐型迷迭香、直立型迷迭香、羽叶薰衣草、柠檬香蜂草、柠檬香茅草、橘子、鼠尾草等，对埃及斑蚊、热带家蚊及家蝇进行忌避效果测定。

And fluid of scented tea of mosquito-repellent incense, midge, mosquito-repellent incense is scientific proof can have effect.

而蚊香、蚊香片、蚊香液等都是科学证明能起到作用的。【以下内容为IT者网站提供英文翻译，未经授权请勿转载

The repellent rate of clove oil and turpentine oil to Blattella germanica reduced fast by the time, especially the turpentine oil showed very weak repellent effect in a week.

在持效性上，丁香油和松节油对德国小蠊的驱避性都随时间推移有明显的递减，特别是松节油，一周后效果已很弱。

If you go to a doctor because of the repellent, take the repellent with you to show the doctor.

如果你到了，因为医生的驱蚊，以避与你出示医生。

Non-fluorinated water repellent finishing of polyester fabric by sol-gel method;2. The technological process and conditions for making water repellent clothes for canoeing and riflery and the ways for making antibacterial swimming trunks have been selected.

本文通过对拒水、抗菌的机理和效果的研究，对纳米技术应用于体育项目进行讨论，探索纳米科技与体育项目的结合点，通过试验取得较好的效果，筛选出水上专项运动服皮划艇、步枪比赛服、拒水工艺流程、工艺条件和抗菌内裤的制备方法。

Alpinia officinarum solvent extracts had better repellent effect, and the average repellent rate were above 80%.

就驱避作用而言，高良姜的溶剂提取物对烟草甲成虫驱避作用较强，其平均驱避率达到了80％以上。

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物，测定了它们对德国小蠊的毒性和驱避性，结果表明，鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用，其中鱼藤酮乙酸乙酯溶液作用较强，8小时死亡率已达100％，川楝素和印楝素对德国小蠊也表现出一定的毒杀作用，观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用，苦参碱和川楝素影响其卵鞘形成；进一步对这几种化合物的驱避性进行研究，结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用，其驱避率分别为96.7％、51.3％和50.1％，另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性，供试虫全部被击倒的时间分别为8小时和48小时。

Based on the research and review of the norms of surgical gowns and drapes, we compare and analyze the basic requirement and test procedure of the gowns. We test water-repellent treated woven cotton reusable textiles, rechargeable biocidal function polyester/cotton woven reusable textiles, spun-bond polypropylene disposable textiles, water-repellent treated laminate disposable textiles of pulps and polyester with water resistant, physical, comfortable properties testing. We design an abrasion experiment to simulate linting test and evaluate the linting properties of these textiles.

本文对目前国内外主要的手术防护服标准的基本性能测试条款和测试方法及步骤进行了分析，在此基础上，对几种经拒水处理耐久型棉紧密机织物手术防护服材料、经可再生杀菌处理涤棉机织手术防护服材料、纺粘丙纶一次性手术服材料、经拒水处理木浆/涤纶复合水刺一次性手术防护服材料的拒液性能、基本物理性能、舒适性进行了比较测试；同时，本文设计了耐磨实验来模拟掉毛实验，通过失重率来评价这些材料的掉毛性能。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷