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The loss of K2O in production of potassium dihydrogen phosphate with monocalcium phosphate and potassium sulphate was studied.

研究了用磷酸二钙与硫酸钾复分解生产磷酸二钾过程中钾的损失问题。

Since the improper blue-shifted H-bond and dihydrogen bond were found,the unusual phenomena have attracted more and more attentions of scientists.

特别是反常蓝移键和双键的发现,更加引起了科学家们的广泛关注。

The usage, manufacture technique, as well as the production and consumption of potassium dihydrogen phosphate in China are reviewed, its prospect is also predicted.

阐述磷酸二钾的用途,生产方法和我国生产及消费情况,展望磷酸二钾的发展前景。

From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.

双戊烯脱裂解的同步反应和异步反应对比研究显示,双戊烯脱裂解的同步反应产物比较混杂,反应产物中甲苯的相对含量仅为24。

The main contents as following:1 Phase separation ability of dipotassium hydrogen phosphate solution was investigated on the conditions of different solvent, different temperature, different pH value and little additional sodium chloride.

实验结果表明:在相同条件下,异丙醇的分相能力大于乙醇;温度对磷酸二钾+乙醇/异丙醇+水体系分相能力的影响很小;磷酸二钾水溶液的pH值对体系的分相能力影响较大,当pH值较小时,体系不能形成两相,当pH值>6时,随着pH值的升高,分相能力逐渐增强;外加少量无机盐NaCl,对体系的分相能力影响不大。

Up to four hydrogen molecules can be attached to the Ti atom and all of them are not dissociative.

在Ti原子附近,最多有四个分子可以被吸附,所有的分子都处于分子结合态的形式。

Bis vinyl phenyl terminated polydimethylsiloxane was synthesized by the hydrosilylation of bis dimethylhydrogen siloxyl terminated PDMS with m divinyl benzene. The structure of the VTPDMS was characterized by 1H NMR.

通过双二甲基硅氧封端的聚二甲基硅氧烷与间二乙烯基苯的硅加成反应制备了双乙烯基苯封端的聚二甲基硅氧烷,用1H NMR对其结构进行了表征。

Impregnated by Pd, the Si/Al 0.33 sample with enhanced neighboring region has the highest n- dodecane hydroisomerization conversion and selectivity.

样品担载Pd后对正十二烷的加异构化反应表明,交界区扩大的Si/Al = 0.33的样品有最高的加异构化得率和选择性。

To investigate the effects of moderate intensity endurance training (55%—75%VO 2max )on biochemical responses of diphragm,gastrocnemius and heart in normal and emphysematous rats, SD rats were randomly divided into two groups first.

在末次运动锻炼结束后 48~ 72小时处死大鼠,用组织化学方法染色,光密度分析测定膈肌肋部、腓肠肌和心肌纤维琥珀酸脱酶和乳酸脱酶活性,评价相应肌组织的氧化代谢能力。

An alicyclolic epoxy resin with endocyclic structure,namely hydrogenated terpinene-maleic ester type epoxy resin, was synthesized from the raw material hydrogenated terpinene-maleic anhydride.

化萜烯马来酸酐为原料与环氧氯丙烷反应合成一种含桥环结构的饱和脂环基环氧树脂——化萜烯酯型环氧树脂。

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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。

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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。