水性

Through a series of orthogonal experiment, we summed up the optimal experimental parameters and the entire experiment is simple, low cost, with the possibility to create such coating with certain intensity (hardness above 6H) in large scale.

本实验采用一种有机/无机杂化的方法，改性水性环氧树脂乳液，制备出静态接触角在161°，滚动角小于5°，涂层硬度大于6H的一种超疏水表面。

The relationship between oscillation frequencies and relative humidities was measured with a RC oscillatory circuit for the polymeric humidity sensor.

结果表明，传感器除了具有响应快、滞后小、灵敏度高等优点外，在它遇水汽结露后，返回各相对湿度时其电参量仍几乎不变，即具有极好的耐水性；在20％—90％RH范围内，传感器的振荡频率与相对湿度的关系几乎是线性的。

Make sure there are adequate drainage holes; oxalis bulbs must not sit in waterlogged soil or they will rot.

在容器中装满质量好的，排水性好的土壤一定要有足够多透水的空洞，酢浆草球根如果放在水份滞存的土壤中就会腐烂 2。

Materials containing active SiO2 such as fly ash and zeolite powder added to magnesium oxychloride concrete, can make its strength and water resistance much better.

在菱镁混凝土中添加含活性SiO2的材料，如粉煤灰和沸石粉，来提高制品的耐水性和强度。

In addition, carried on the correlation experiment about the mechanism of additive function in the magnesium oxychloride cement foamed concrete, discovered phosphoric acid has the good water resistance effect, and found its appropriately scope.

此外，还对氯氧镁水泥发泡混凝土中改性剂作用的机理进行了相关实验，发现磷酸有较好的耐水性效果，同时确定了其合适的掺量范围。

The company has computer-generated, flat, concave,machine, sheet offset press, water-based printing cartons, A, B, E corrugated cardboard production line, polishing, bronzing, laminating, gold and silver cards, paperhanging, cutting, decorative paper.

纸制品包装企业。公司拥有电脑制作、平、凹、凸印机，全张胶印机、水性纸箱印刷机，A、B、E瓦楞纸板生产线、上光，烫金，复膜，金银卡，裱糊，模切，纸面装饰。

The method of the component put thehydrophobic property and approximate surface in the same group and other parameter of QSAR in theanother grou. The result proved the above property.

主成分分析将疏水性和近似表面积划分为一组，其它的为另一组，这一分析结论恰好证明上面的性质。

However, common polyacrylate emulsion has some disadvantages such as poor water-resistance, poor film-forming in low temperature, becoming pastiness in high temperature, polluting environment with emulsifier and so on.

由于聚丙烯酸酯乳液具有耐热、耐光和耐老化等优点在涂料工业中得到了广泛的应用，但普通的聚丙烯酸酯乳液还存在耐水性差、低温下不易成膜、高温发粘以及含乳化剂的废液会对环境造成污染等缺点，因此，本文结合无皂乳液聚合和核壳乳液聚合技术，合成了聚丙烯酸丁酯/丙烯酸钠齐聚物，并以此为乳化剂，采用种子半连续法合成了以聚丙烯酸丁酯为核，聚甲基丙烯酸甲酯-苯乙烯为壳的无皂核壳聚丙烯酸酯乳液。

On the base of these studies, TiO_2 was added to the copolymer resin solution to improve the anti- ultraviolet function. As a result, siloxane-acrylate coatings with good water-proofness, excellent perdurability and high heat resistance were prepared.

在此基础上，向共聚溶液中添加二氧化钛作为紫外光吸收剂，制得了憎水性好、耐候性优良、热稳定性高、有机硅改性丙烯酸酯涂料。

The main products are: Hammer, thermal conductivity detector, permeameter, contraction of the expansion device, hand-held strain gauge, waterproof material detector, low-bending device, slag ball content in separators, heat load tester, performance test combustion furnace, a variety of thickness, thermal expansion of graphite electrode NG, coal strength meter, electric tamping device, hydrophobicity tester, mineral wool density meter, concrete drilling sampling machines, sawing machines, removed machine, setstube machine, hydraulic bending machine, impervious tester, determination of heat resistance, heating telescopic measuring device, an extension device, penetration tester, small meter, viscometer, drying time tester, pencil hardness tester, pendulum hardness, the adhesion tester, film zoned grid, and resistant to scrubbing detector, solvent resistance detector, wearable device, flat grinding device, wear-resistant coating shakeout device, staining resistance tester, impact tester , piercing instrument, instrument bending film, film coating, and sanding machines, cone-shaped grinding, high-speed dispersion machine, three roller grinder, Scratch tester, indentation tester, gloss Miriam, white tester, fresh video of Miriam, Miriam reflectivity, iron cobalt colorimeter, paint density cup, crack resistance testing apparatus, leveling device, flow hanging device, visual color box, the minimum temperature detector into a grinding, low temperature brittleness tester, visual color boxes, electronic pull machine, Mooney Viscometer, vulcanizing device, the proportion of direct-reading, the cold compression tester, heritage wearable device, Heritage scratch device, the friction coefficient detector, coating Detect zoned grid plate , coating resistance tester, such as burning a variety of test equipment.

主要产品有：回弹仪、导热系数测定仪、渗透仪、收缩膨胀仪、手持应变仪、防水材料检测仪、低温弯折仪、渣球含量分离器、热荷重试验仪、燃烧性能试验炉、各种测厚仪、石墨电极热膨胀仪、煤强度测定仪、电动击实仪、憎水性测试仪、矿棉容重测定仪、混凝土钻孔取样机、锯切机、磨平机、套丝切管机、液压弯管机、不透水试验仪、耐热性测定具、加热伸缩测定器、延伸仪、针入度仪、细度计、粘度计、干燥时间试验器、铅笔硬度计、摆式硬度计、附着力测试仪、漆膜划格器、耐洗刷测定仪、耐溶剂测定仪、耐磨仪、平磨仪、涂层落砂耐磨仪、耐沾污测试仪、冲击试验仪、穿孔仪、漆膜弯曲仪、涂膜涂布器、砂磨机、锥形磨、高速分散机、三滚研磨机、划痕试验仪、压痕试验仪、光泽仪、白度仪、鲜映性仪、反射率仪、铁钴比色计、涂料密度杯、抗裂性试验仪、流平仪、流挂仪、目视比色箱、最低成磨温度测定仪、低温脆性试验仪、目视比色箱、电子拉力机、门尼粘度仪、硫化仪、直读比重计、压缩耐寒试验仪、文物耐磨仪、文物划痕仪、摩擦系数测定仪、涂层检测划格板、涂层耐燃烧试验仪等多种试验仪器。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐