在室内,你在地上放一个白床单,然后在天花板和墙上喷上一些杀虫剂,蚊子就一个一个地掉在你的脚边。
Indoors, you put a white sheet on the ground, spray some insecticide on walls and ceilings, and the mosquitoes fall on your feet one by one.
在室内,你在地上放一个白床单,然后在天花板和墙上喷上一些杀虫剂,蚊子就一个一个地掉在你的脚边。
Indoors, you put a white sheet on the ground, spray some insecticide on walls and ceilings, and the mosquitoes literally drop at your feet.
本文利用成焦板、四球机试验考察了各清净剂在中间基和加氢基础油中的感受性。
This article investigated the adaptability of all kinds of detergent in different base oil through plate and four ball testing.
结果表明,加入合适的萃取剂可有效地提高旋光性戊醇对异戊醇的相对挥发度,减少分离所需的理论板数。
The results showed that addition of appropriate extracting solvent could increase the relative volatility of active amyl alcohol and decrease the number of theoretical plates.
介绍了中密度纤维板的生产现状和前景,阻燃中纤板所用阻燃剂的种类、阻燃的机理和处理方法。
Introduced medium density fibreboard (MDF) production present situation and prospect, kinds of burning - resistant agent used for MDF, burning - resistant mechanism and treatment method.
左边是衣柜,放有熨衫板、熨斗、拖鞋、行李架、除臭剂及加湿器。
Wardrobe on the left with hangers, iron board, iron, slippers, luggage rack, humidifier and deodorant.
把这种防腐剂化合物混合到胶粘剂中对于处理碎料板是唯一有效的实用方法。
The incorporation of preservative components in the adhesive is virtually the only relistic method for treating chipboard .
电子线路板的电镀,人工降雨、催化剂。
Electronic circuit board plating, artificial rainfall, the catalyst.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
本研究采用膨胀蛭石作为阻燃剂,在实验室试制出了用作防火门芯层材料的三明治结构阻燃刨花板。
A sandwich structure fire-retardant particleboard, which aimed for the core material of fireproofing doors, was prepared in laboratory using heat-expanded vermiculite as a fire-retardant material.
采用瞬间液相扩散复合原理生产钢质蜂窝夹芯减振板的关键问题之一是中间夹层助复剂的选择和配制。
One of the problems experienced in transient liquid diffusion bonding for carbon steel sandwich panels is the interlayer bonding assistant coat.
介绍了液体除湿实验系统,采用氯化钙溶液作除湿剂,除湿设备为装有不锈钢波纹孔板规整填料的填料塔。
This paper introduced an experimental liquid dehumidifying system that had used calcium chloride as desiccant and flat corrugation packing tower as dehumidifying equipment.
分析了我国在阻燃人造板研究与开发中存在的问题,并介绍了新型KM系列阻燃剂的研究与开发近况。
An analysis is given of existing problems in research of fire-retardant panel and a new KM fire retardant is briefly recommended.
压克力板工业化试验结果表明,复合引发剂和高低温聚合工艺用于工业化生产是可行的。
Results of industrialized tests of the sheets revealed that composite initiator and polymerization technology at the stage of high and low temperatures used for industrialized production was feasible.
介绍了人造板中甲醛释放的机理和其对人的危害及国内外人造板甲醛捕捉剂的种类、原理、施加方式和其研究现状。
The paper states the mechanism of formaldehyde emission from wood-based panel and the sorts, preciple, imposing ways and situation about formaldehyde scaverger home and abroad.
后者黄芩的鉴别:硅胶G薄层板,正丁醇-冰乙酸-水(7:1:2)为展开剂,1%三氯化铁乙醇溶液为显色剂;
The identification of Radix scutellariae was silica gel G plate, n-butanol-glacial acetic acid-water(7:1:2) as the development reagent, chloride ferric(1%) as color developing reagent.
本文介绍了一种能提高干膜与线路板铜基粘合力的新型铜面处理剂ST-10+。
This paper introduced a new copper treatment agent ST-10+ for improving the adhesion of dry film to printed circuit board copper substrate.
计算得到了额定工况下标准燃料组件内各个冷却剂通道的流量分布和不等间隙通道燃料板两侧压差。
The flow distribution and pressure difference of different coolant channels in the standard fuel assembly at rated operating condition are reached.
掩膜板上图形的像被投影到许多厘米以外的涂有抗蚀剂的片子上。
An image of the patterns on the mask is projected onto the resist-coated wafer , which is many centimeters away.
选用施胶量、甲醛捕捉添加剂、挤压温度、挤出速度为试验因子,探讨E1级空心刨花板的生产工艺。
The objective of this study was to optimize the manufacturing process for producing tubular particleboard with E1 grade performance.
该设备有高速、低速活动刮板三轴,广泛应用于高粘度涂料、有机硅胶、油墨、染料、粘胶剂。
The machine has both high and low speed three axles scraper, it can widely apply in high viscosity coating, organic silica gel, printing ink, dye and stick colloid.
新型GRC储粮仓板(仓)是以农业废弃物各种秸秆、粉煤灰、胶凝材料、增强纤维为主要原材料,配以各种改性外加剂而制成。
The new GRC storing grain panel was made of plant straws, fly ash, cement, reinforced fiber as main raw, and some admixtures.
油茶皂素乳化剂乳化石蜡效果好,在人造板工业上应用可以提高板材的档次,节省油酸,因不用氨水,显著改善了工人的劳动条件。
Sasanqua sapogenin emulsifier emulsified paraffin efficiently, which may promote the grade of wood-based panel, save oleic acid and improve the working condition.
以硝酸-磺酸型退锡剂为基础配方,研制了一种脱除废旧电路板表面残留焊锡的剥离液。
A new stripper for removing the solder from the surface of waste printed circuit boards was developed on the basis of a nitric acid - sulfonic acid type tin stripper.
黄芩:采用硅胶G板,以醋酸乙酯-丁酮-甲酸-水(5:3:1:1)为展开剂,显色剂为1%三氯化铁乙醇溶液。
Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).
用重盐牛乳稀释剂能有效地抑制样品对测定板的非特异性吸附。
The high-salt cow milk solution used as sample diluent was satisfactory for inhibiting nonspecific adsorption of the sample to the microplate.
苯的居室污染源主要是建筑装修材料、人造板家具、沙发的黏合剂、溶剂和添加剂。
Benzene is a major source of pollution of the room building decoration materials, furniture, wood-based panel, the sofa adhesives, solvents and additives.
本文描述了固化剂施用量对刨花板的物理力学性能的影响。
This paper describes the effect of dosage of solidifying agent on property of physical mechanics of shaving board.
超高分子量聚乙烯板,耐许多稀酸,溶剂和清洁剂。
UHMWPE Sheet is resistant to many dilute acids, solvents and cleaning agents.
超高分子量聚乙烯板,耐许多稀酸,溶剂和清洁剂。
UHMWPE Sheet is resistant to many dilute acids, solvents and cleaning agents.
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