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To explore the hydration process of Portland cement-fly ash system, the reaction degree of fly ash and Portland cement,non-evaporable water content,amount of hydration products,porosity and compressive strength of pure cement pastes and cement-fly ash pastes were studied at various curing ages,water-to-binder ratio,and fly ash replacement percentages.

为考察粉煤灰对水泥水化进程的影响,系统研究了水泥粉煤灰浆体在不同养护龄期、水胶比、粉煤灰掺量下水泥和粉煤灰反应程度、非蒸发水数量、水化产物数量、孔结构和浆体力学性能。

Establishes the mathematical model and presents the chilled water series flow route to take advantage of dry air as much as possible.

合作开发了第一台间接蒸发冷水机组,通过测试得到了实际机组的性能。

We can dry well-ventilated place notebook on 34 days, so that the natural body of water evaporation.

我们可以将笔记本放在通风处阴干三四天,让机身内的水份自然蒸发。

Both wicking and evaporation velocity of Hydrophobic fiber fabric are fast.

疏水材质织物的芯吸与蒸发速率均快。

The zymin produced in the industry must be separated, refined, vacuum evaporated, and solvent extracted, which have many defects.

工业生产的酶制剂一般要进行分离提纯,传统真空蒸发、溶剂萃取等方法存在着诸多弊端。

And the production comprises that dissolving polyarylamide into organic solvent; mixing and adding alumina particles, disperser, holing agent to be vibrated via ultrasonic wave; putting into drying box to be aged and defoamed; irrigating into film; vaporizing it in drying box; putting into solidify liquid to be emerged; washing with distilled water, processing aminic acid solution, compressing and shaping.

分散剂0.6~8wt。%、成孔剂2~8wt。%组成,制备方法为:将芳香聚酰胺溶于有机溶剂中,在搅拌中加入氧化铝颗粒、分散剂、成孔剂超生震荡;放入干燥箱中熟化、脱泡;浇铸成膜;浇铸后的膜在干燥箱中蒸发,然后放入凝固液中浸泡,接着用蒸馏水漂洗干净后用甲酸溶液处理;最后预压成型。

HPLC-ELSD was used to determine the content of astragaloside Ⅳ in various radix astragali.

采用高效液相色谱仪及蒸发光散射检测器对各种黄芪中的黄芪甲苷进行含量测定。

The problems which existed in the D-p-hydroxyphenylglycine concentrative crystallization process are analyzed.

分析了对羟基左旋苯甘氨酸母液浓缩结晶过程存在的问题,介绍了三效热泵蒸发结晶工艺。

The third step is the refinement of the fat. Make use of phosphoric acid to degum, sodium hydroyide to deoxidisate, acitive floridin to decolor and rotary evaporator to deodorizate.

三、油脂的精炼,利用磷酸脱胶、氢氧化钠脱酸、活性白土脱色、旋转蒸发真空处理脱腥,得到精炼鱿鱼油。

On this basis, the mathematical model of the air conditioning system attached the outdoor air pretreatment system (precooling, dehumidify and evaporative cooling) and it's program ODOAPS are developed.

在此基础上,建立了附设新风预冷除湿蒸发冷却的空调系统数学模型,并编制计算程序ODOAPS。

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推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。