Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入
氧化钠,分离出酚钠
和苯乙酮。
;
;氧化钠Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氧化钠,分离出酚钠和苯乙酮。
Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
化工生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀硫
、
、醋等。
Conclusion 10% chloral hydrate anesthesia and glass cannula enswathement are availability for mouse tail skin transplatation.
玻璃套管法包扎的效果较创可贴法为好且更简便。
As we know, there are close relations among gas hydrates and faults, carbonate, seepage flow and salt diapirism.
天然气水合物与断层、岩、渗流和底辟等构造都有比较密切的关系。
Submarine temperature, pressure, gas compositions, geothermal gradient and syngenetic water salinity control the depth of hydrate zone basement.Autochthonous bacteriogenic mod...
海底温度和压力、地热梯度、气体成分、同生水度等控制着水合物稳定带基底的深度和厚度。
Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles.
超塑化剂主要是大量吸附在水泥颗粒表面的水化产物上而不是吸附在未水化水泥颗粒表面。
According to comparing various hydrate promotors and their experimental conditions,it indicates that methylcyclohexane is a good promotor to form st...
研究表明,在甲烷中加入环戊烷时温压条件最易达到,但生成的是Ⅱ型水合物,储气量较小。
The poozzolanic effect of fly ash on shape looks and function of the Calcium aluminite,Which is the cement hydrated product,is also introduced.
粉煤灰的火山灰效应对水化产物钙矾石的形貌和性能会产生影响。
Objective :Study on the calmative effects of chloral hydrate given by oral and clysis routes in children with different ages before examination and therapy.
对比研究水合氯醛在检查治疗前,对不同年龄段患儿应用不同给药途径的镇静效果。
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