查询词典 pac

L^(-1) 2 mL. The graft copolymer's thermolysis tempreture reached 389℃ by DSC analysis, it improves 48℃ compared with the LV-PAC. It was illustrated that the heat-resistance of LV-PAC could be effectively improved by grafting sulphonate.

DSC分析表明接枝后所得共聚物的热分解温度达到了389℃，比LV-PAC提高了48℃，说明通过接枝磺酸盐的方法可以有效地提高LV-PAC的耐热稳定性。

In order to test heat-resistance of the graft copolymerization of sulphonate onto LV-PAC, the optimal reaction conditions of the graft copolymerization of AMPS onto LV-PAC were studied by using Ce(superscript 4+) as initiator.

为了探讨低粘聚阴离子纤维素接枝磺酸盐共聚物的耐温性能以Ce(上标 4+)为引发剂，研究了LV-PAC水溶液与2-丙烯酰胺－2-甲基丙烷磺酸接枝共聚反应的最适宜反应条件。

The same crystals can be produced when the thickness of 20％PAC and the thicknessof 40％Polymeric Titanic Sulfate or 30％PAC and 50％Polymeric Titanic Sulfate havereacted. It have noncrystal matters which resemble crystal of organic macromolecule in thecrystals.

浓度为20％和30％的PAC分别与40％和50％的聚合硫酸钛反应时，可以得到同种晶体，晶体中存在与有机高分子晶体相似的非晶结构。

The results of the calculation show that the concentration of PAC in mixed liquor of aeration tank increased with the raise of the dosage of PAC and the ratio of sludge age to hydraulic retention time.

计算结果表明，曝气池混合液中PAC浓度随着PAC投加量和泥龄与水力停留时间的比值的提高而增加。

The third chapter is a case study about the comparasion between AAP and PAC.

第三部分介绍了西方发达国家出版业行业协会的情况，以案例研究的形式对中美两国主要的出版业行业协会进行比较分析，总结了西方诸国的成功经验。

The concrete authority judgement for access action adopts the PAC/CAP authority scheme.

具体访问操作的授权判断是采用了PAC/CAP授权方案。

For the second step,the adding amount of calcium aluminate can be controlled according to the different basicity of PAC.

二段溶出过程中可以根据不同的盐基度要求控制铝酸钙的加入量。

Based on the research of commercial PAC made by different technologies,it is found that poly—aluminum chloride containing more high molecular weight plays a more important role in coagulation.

通过对不同生产工艺得到的商品聚合氯化铝进行聚合物种类的研究，并结合混凝实验，发现高分子聚合氯化铝对混凝效果发挥了更大的作用。

The research results of the preparation of highly pure PAC from aluminum hydroxide by acid extracting technique is reported.

报道了用氢氧化铝酸溶法制备高纯聚合氯化铝的研究结果，系统研究了制备过程中的各种影响因素，并通过试验确定了最佳工艺条件。

Other interesting aspects of the enzyme and its gene are that intracellular PAC activity is under several regulatory controls, such as temperature, oxygen level, catabolite repression and phenylacetic acid induction.

另外，青霉素G酰化酶的基因表达调控非常复杂，在大肠杆菌中，至少有三个不同的启动子可以起动它的转录；可以在转录、翻译、分泌和折叠加工等不同环节进行调控，它的表达调控受温度，溶氧和碳源等环境因素的影响。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。