聚丙烯

39 Qinghai Alectoris graeca were used to study isozyme pattern of serum amylase and activity with vertical polypropylene gel electrophoresis and spectrophotometry, respectively.

方法］采用聚丙烯酰胺凝胶垂直平板电泳法对39只青海石鸡血清淀粉酶同工酶酶谱进行研究，并利用比色法时其淀粉酶活性进行测定。

Methods and Results— We synthesized the 3 components of a gene vector binding complex:(1) A poly allylamine bisphosphonate with latent thiol groups,(2) a poly ethyleneimine with pyridyldithio groups for amplification of attachment sites , and (3) a bifunctional (amine- and thiol-reactive) cross-linker with a labile ester bond.

方法和结果—我们综合了基因复合物载体的三种成分：(1)巯基聚丙烯胺二碳磷酸盐化合物，(2)能扩增结合位点聚乙烯亚胺-pyridyldithio复合物，(3)具有不稳定酯键的双功能交联剂。

Colorimetry for POD activity and polypropylene amic gel electrophoresis for isoenzyme were used.

采用比色法测POD酶活，用聚丙烯酰胺凝胶电泳进行POD同工酶的比较。

A porous copolymer of acrylamide has been prepared by suspension copolymerization of methylacrylate,methyl methacrylate and vinyl acetate in the presence of porogenic and crosslinking agent,followed by a aminate process.

以聚醋酸乙烯为致孔剂，在交联剂和引发存在下，合成了丙烯酸甲酯—甲基丙烯酸甲酯—醋酸乙烯共聚物，经胺解制得了多孔聚丙烯酰胺共聚物—APM载体。

Polypropylene fiber can much increase the crack resistance, leakage resistance, concussion and wearing resistance, freeze proof ability and antidetonating ability of mortar/concrete, also can improve workability of concrete.

聚丙烯短纤维能很好地提高砂浆/混凝土的抗裂性、抗渗性、抗冲磨性、抗冻能力、抗爆能力及改善混凝土的和易性。

Results 86 cases of polyacrylamide hydrogel were injectable implant in the treatment of non-organic change. 32 cases only because of psychological pressure,and urgent requirement for seeking out hydrogel,Were treated using suction liposuction methods.Induration significantly complicated and tough for using semi Central areolar incision under half,pumping out water gel thoroughly Abstract induration.Hydrogel into pectoralis major,who may armpit transverse incision after augmentation.

结果：86例聚丙烯酰胺水凝胶注射式隆乳术后的就诊者中，对无明显器质性改变，仅因心理压力过大而迫切要求取出水凝胶的32例求术者，采用脂肪抽吸式方法抽吸；对于并发硬结明显大而硬者，采用乳晕下1/2半环切开，抽吸水凝胶彻底摘出硬结；水凝胶注入胸大肌内、后间隙者可采用腋下横切口，分离胸大肌将乳腺后间隙水凝胶向胸大肌下间隙挤出抽吸到清亮液体后，同期放入假体于胸大肌后间隙。

The processes of preparing compounding assessory ingredient, producing special material and machining for polypropylene sheet were presented.

聚丙烯因具有质轻、价格低廉、耐化学药品性和耐热性好等优点而得到广泛应用。

The multi monomer of methyl methacrylate/styrene melt grafting onto atactic polypropylene was studied.

对多单体甲基丙烯酸甲酯和苯乙烯熔融接枝无规聚丙烯进行了研究。

The products were characterized by 13C NMR, DSC and tensile strength measurement. The high molecular weight atactic polypropylene had a good elasticity.

用13C NMR、DSC、拉伸实验对产物进行了表征，结果表明所得产物为高分子量的无规聚丙烯，具有良好的弹性。

Autolytic speed of lactic acid bacteria which is determined by the autolytic activity not only affect age velocity of cheese,but also influence the bacteria count of high density culture starter.

通过聚丙烯酰胺凝胶-细胞电泳法对乳酸菌杆LB-3细胞培养液中自溶酶的活性、细胞死亡与自溶酶的关系及温度对自溶酶活性的影响进行了研究。

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。