树脂

Our company adopt advanced production technology and equipment, to paint in different modified resin system pre-dispersion, used for high-grade inks, paints and coatings production, the main products are lipid soluble and alcohol soluble nitrocellulose pre-dispersed pigment-based color films, water-based acrylic paints pre-dispersed color tablets, chlorine vinegar pre-dispersed pigment color polymer films, cellulose acetate butyrate pre-dispersed pigment color films, polyvinyl butyral pre-dispersed pigments, such as color film.

本公司采用先进的生产技术和设备，把颜料在不同的改性树脂体系中进行预先分散，用于高档油墨、油漆和涂料的生产，主要产品有脂溶和醇溶型硝化棉预分散颜料色片、水性丙烯酸预分散颜料色片、氯醋聚合物预分散颜料色片、乙酸丁酸纤维素预分散颜料色片、聚乙烯醇缩丁醛预分散颜料色片等。

China,calcium carbide, acetic acid,vinyl acetate,pentaerythrite,polyvinyl butyral resin,polyvinyl butyral film,"AVS"paint for interior and exterior walls,cement,carbonized bricks etc,over 40 chemicals and building materials.

主要有聚乙烯醇系列产品、聚乙酸乙烯酯乳液系列产品、电石、冰醋酸、醋酸乙烯、季戊四醇、聚乙烯醇缩丁醛树脂、聚乙烯醇缩丁醛胶片、AVS内外墙涂料、水泥、碳化砖等40多种化工产品和建材产品。

The company,covering 4.2 square km,has eleven branch and subsidiary companies,and 4,737 employees,it mainly produces polyvinyl alcohol series,polyvinyl acetate emulsion ( commonly called"bairuijiao"in China),calcium carbide, acetic acid,vinyl acetate,pentaerythrite,polyvinyl butyral resin,polyvinyl butyral film,"AVS"paint for interior and exterior walls,cement,carbonized bricks etc,over 40 chemicals and building materials.

主要有聚乙烯醇系列产品，聚乙酸乙烯酯乳液系列产品，电石，冰醋酸，醋酸乙烯，季戊四醇，聚乙烯醇缩丁醛树脂，聚乙烯醇缩丁醛胶片，AVS内外墙涂料，水泥，碳化砖等40多种化工产品和建材产品。

The Kinetics and mechanism of esterification of α-methyl butyric acid with ion exchange resin are studied.

研究利用离子交换树脂催化α－甲基丁酸酯化反应的动力学和反应机理。

Ion exchange resin ; structure ; kinetics ;α-methyl butyric acid

离子交换树脂；表面结构；反应动力学；α－甲基丁酸

Through the test of water absorbing, water holding and water releasing performances of all water retention agents, sawdust, vinegar stillage and cabbage palm, this paper points out the affect on ecological concrete of different water retention agent and also conclude the affect on ecological concrete holding water or water releasing of spacing ratios, water retention agents, materials addition and different stones.

通过对SAP高吸水树脂、聚丙烯酰胺和甲基纤维素三种保水剂、锯末、醋糟、棕榈对生态混凝土吸水、保水、失水性能的测试，分析得出三种保水剂对生态混凝土的影响关系以及阐述了空隙率、保水剂、添加剂以及骨料种类对生态混凝土保水和失水的影响；最后对保水剂进行了优选，并对保水机理进行了探索性研究。

The distribution coefficients of rubidium and caesium between Cation-42, a phenolic-sulfonated cation exchange resin manufactured in Shanghai, and nitric acid as well as nitric acid-methanol or butanol mixtures have been determined by the equilibrium method.

本文用平衡法测定铷、铯在稀硝酸或稀硝酸-甲醇与华东化工学院阳-42号树脂间的分配系数，比较用硝酸及硝酸-醇作淋洗液分离铷、铯的效果，并确定0.47M硝酸是较好的淋洗液。

Objective: To purify caffeic acid tetramer with macroporous resin on the basis of its fundamental physicochemical stability research.

中文摘要：目的：初步研究咖啡酸四聚体的理化稳定性的基础上选择合适的大孔吸附树脂，去除杂质，提高紫草水溶性部分中有效成分咖啡酸四聚体的含量。

The calorescence coefficients of silicon resin reached -3.6×10-4 /℃ at 650 nm, and -3.3×0-4 /℃ at 632.8 nm which were tested by V prism device.

用激光-V棱镜装置测得耐热型硅树脂在632.8 nm和650 nm波长上的热光系数分别为-3.3×10-4 /℃和-3.6×10-4 /℃。

Isobornyl methacrylate ; Ion exchgange resin ; Methacrylic acid ; Camphene ; Kinetics

甲基丙烯酸莰醇酯；离子交换树脂；甲基丙烯酸；莰烯；反应动力学

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。