查询词典 dispersion

If antimony oxide is of a larger particle size and poor dispersion, it not only reduces its chemical reactivity and flame retardant synergism, but also makes the appearance of the resulting flameproofing products rougher, less transparent and lustrous.

氧化锑颗粒大时，分布不均匀，不仅自身化学活性低，阻燃增效作用下降，而且还会造成阻燃制品的表面粗糙，透明性变差和光泽性减退。

However, colloidal antimony pentoxide can not only improve the flame retardant synergism, but also reduce the effects on the physical properties of the treated polymeric products due to its fine particle size and a high degree of dispersion as well as strong penetrability and adherence to textile fabrics.

胶体五氧化二锑颗粒很细、高度分散，对织物具有很好的渗透性和较强的粘附力，不仅可提高阻燃增效作用，而且减少对阻燃制品物理性能的影响程度。

The preparation of colloidal antimony pentoxide has been investigated during recent years, but most of colloidal dispersions of antimony pentoxide are quite complicated, costly and unstable because of the problem caused by preparing methods or dispersion medium.

近年来，虽然已有一些胶体五氧化二锑的研制工作，但由于制备方法、分散介质和添加剂的不同，一些胶体五氧化二锑体系比较复杂、成本较高和不稳定。

A colloidal sol of CP-Sb〓O〓 with high dispersion and fine particle size less than 200〓 is firstly prepared by the oxidation of antimony trioxide with hydrogen peroxide in aqueous solution only containing small amounts of inorganic phosphoric acid.

本文首次在单一使用少量无机物磷酸的稀溶液中，采用H〓O〓氧化Sb〓O〓方法制备出颗粒小于200〓的高度分散的CP-Sb〓O〓溶胶。

Compared with arc welding, gas welding flame temperature is low, heat dispersion, heat slowly, so productivity is low, the workpiece deformation of serious, large welding heat affected zone of welded joint quality.

它与电弧焊相比，气焊火焰的温度低，热量分散，加热速度缓慢，故生产率低，工件变形严重，焊接的热影响区大，焊接接头质量不高。

The progress of application of the products, lignin amine s, in oil recovery,asphalt emulsification,sewage treatment and dye dispersion is discussed in detail.

综述了木质素与脂肪胺的曼尼希反应机理，反应物的种类和反应条件，并且详细介绍了反应产物木素胺及其衍生物在石油开采、沥青乳化、污水处理、染料分散等方面的应用进

There are thick mudstone, soft mudstone, argillaceous stone and salt bed in Quele structure where hydration, expansion and dispersion are liable to occur.

却勒构造四开地层存在大段的易水化、膨胀、分散的泥岩、软泥岩、泥质膏岩和盐层。

Based on ultrasonic dispersion technique , poly lactic acid/bone dust hybrid material was prepared by solution mixing method,and the relative result products were characterized by DSC,FT-IR and SEM.

以聚乳酸和骨粉为原料，利用超声波分散技术，采用溶液共混法制备PLA/骨粉杂化材料。

Scanning electron microscope and energy dispersion spectrum. The content of carbon and oxygen inthe spot is respectively 6 % higher than that in the normal coating , but the content of zinc and

采用扫描电镜结合能谱的测试方法，对热处理前后含铬绝缘涂层中正常涂层和斑点的表面形

Ferric nitrate and cupric nitrate can catalyze carbonization process. It is discovered that the catalyst dispersion on alkaline surface is poor through catalyst adsorption study.

对单元催化炭化过程的研究发现，铁、铜的硝酸盐对炭化过程有催化作用，能够减缓炭化过程中挥发份的最大析出速度，有利于各向同性炭前驱体的形成。

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％。