丙烯酸

Then we tested the photosensitivity of POF whose core material was copolymer of azo-benzene and poly in experiment.

其次，对含偶氮苯和聚甲基丙烯酸甲酯共聚的纤芯材料的聚合物光纤光敏特性进行了实验测试。

The latest experimental results of the focusing perfermance of the compound high-energy X-ray lens is designed with PMMA with the parameters of 40 plano-concave elementary lenses positioned in line with axial symmetry, 200 μm radius of the concave surface, 0.15 nm working wavelength, 0.5 mm geometrical aperture and 8 mm length of the compound lens and 1.3 m focus length, are briefly introduced.

报道了这种新型X射线光学元件聚焦性能的最新实验结果。设计的高能X射线组合透镜为聚甲基丙烯酸甲酯材料，包括40个相同的、顺序排布的平凹折射单元，折射单元的球面半径为200 μm，组合透镜的几何口径约为500 μm，长度约为8 mm，焦距约为1.3 m。简要描述了PMMA材料X射线组合透镜的制作技术和制作过程。并给出了X射线组合透镜聚焦性能测试实验系统和实验条件。

Can be used as base metal coating materials used vinyl resin system by plastisol or solution, polyester or acrylic, etc.

可以作为金属涂布的底基材料使用的树脂系统有乙烯、聚酯或丙烯酸等。

Then the optimal conditions were decided as follows: the ratio of wall-material to core-material should be 8.0 to 2.0, with ployacrylic sodium as dispersing emulsifier, NH4Cl as acid catalyst, and with the time of pouring catalyst being 2 h, the pH value at end point 2.0, the temperature of condensation reaction under control about 70℃, the reaction time 3 h, the stirring speed 1000 r/min.

研究了壁材与芯材的比例、分散乳化剂、催化剂、反应温度和搅拌速度5因素对微胶囊产品的影响，得出最优化的工艺为：壁材与芯材的比例为m：m=8.0：2.0，以聚丙烯酸钠为分散乳化剂，氯化铵为酸性催化剂，加入速度以2 h加完，终点pH值为2.0，缩聚反应温度控制在70℃左右，反应时间为3 h，搅拌速度为1000 r/min。

The method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.

本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂，并通过加入硬单体―甲基丙烯酸甲酯对其进行改性。

Finishing style, flexible flexible waterproof finishing, apply to almost all the fabric can be used alone, can and polyurethane, acrylic, polyvinyl acetate, and other mixed coating.

风格整理、弹性柔韧防水整理，几乎适用于所有织物，可单独使用，也可和聚氨酯、丙烯酸酯、聚醋酸乙烯等混配涂覆。

However, the application is limited for the reason of poor ageing-resistance of POM caused by its molecular structure.

本文首先采用乳液聚合方法制备了一种用于聚甲醛改性的丙烯酸酯聚合物。

Department of Chemistry; Huazhong University of Science and Technology; Wuhan; Post code : 430074

用红外光谱追踪表明，聚氨酯的生成快于甲基丙烯酸甲酯的聚合。

Using poster or acrylic paint, slap on monster-like colours.

用海报或丙烯酸涂料，打的怪物般的颜色。

The effects of reaction time,reaction temperature,content of hydroxyl propyl acrylateand n -propanol on the hydrophilicity of the films were discussed respectively.

讨论了反应时间、反应温度、丙烯酸羟丙酯用量和正丙醇用量与薄膜亲水性的关系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。