查询词典 hydrochloric acid

Urinary sample was acidified by 2 mol/L hydrochloric acid and pretreated by liquid-liquid extraction using diethyl ether.

尿样经2 mol/L盐酸酸化后用乙酸乙酯进行萃取。

In the presence of sodium as catalyst, the ester exchange reaction between methyl dimethoxy acetate and cephalotaxine produced cephalotaxine dimethoxy acetate, which was then hydrolyzed in dilute hydrochloric acid. Spectrum analysis showed one of hydrolytic products was cephalotaxinone.

本文报导己二甲氧基乙酸甲酮和三尖杉碱在金属钠催化下，直接进行酯交换反应生成二甲氧基乙酸三尖杉酯，后者在稀盐酸中水解，水解产物之一经光谱分析碳定为三尖杉酮碱。

Silicone/SiO2 organic-inorganic hybrid sol have been prepared from tetraethyl orthosilicate as inorganic precursor, methyl triethoxysilane and diphenyl dimethoxy silane as organic precursor, the hydrochloric acid and water as catalysts, by sol-gel method through the hydrolysis-polycondensation reaction.

采用溶胶－凝胶法，以正硅酸乙酯为无机相前驱体，甲基三乙氧基硅烷和二甲基二甲氧基硅烷为有机相前驱体，盐酸和水为催化剂，通过水解－缩聚反应制备了有机硅／SiO2有机－无机杂化溶胶。

1The chemical oxidization method was used to prepare emeraldine salt type conductive polyaniline doped with hydrochloric acid by interfacial polymerization which employ immiscible interface formed via the water and organic solvent, and we discuss the influences of synthetic conditions on the conductivity of PANI－HCl.

1采用化学氧化合成法，以界面聚合方式，利用水与有机溶剂所形成的不相容界面，直接制备以盐酸掺杂Emeraldine Salt型导电性聚苯胺，探讨合成条件对PANI－HCl之导电度的影响。

Be like: Predestined relationship of ⑿ of Yong of ㄑ buzzing Yi suckles the dug of arrogant?CO2 and NaOH solution reaction, content of the O2 in air measures decided experimental dug, hydrochloric acid makes purple Shi Rui tries the dug with erubescent fluid to wait.

浓盐酸挥发性的探究，CO2和NaOH溶液反应的探究，空气中O2含量测定的实验探究，盐酸使紫色石蕊试液变红的探究等。

When the amount of hydrochloric acid added in hydrolysis process of aluminum ethoxide was relatively high, the formed AlCl〓 could enhance the self-pulverization of fibrillar γ-AlOOH powders during its dehydration process and lead to the formation of amorphous ultrafine alumina powders with the particle size of 3～5nm, which could melt and become glass like at 500℃, and then become spherical by crystallization.

当盐酸与乙醇铝的摩尔比从0.0增加到0.04时，粉末成球温度从1200℃降到500℃；在高酸量时形成的AlCl〓，能促进γ—AlOOH脱水时的自粉碎效应，生成无定形的超细Al〓O〓粉末，粒径为3~5nm，在500℃经熔化形成玻璃态，再晶化成球，而在其它情况下，粉末靠收缩经表面扩散方式成球。

METHODS: Whole blood samples (3.000 L) from 10 healthyvolunteers (2 female, 8 male) were acidified by adding 40 Lof hydrochloric acid of increasing molarity to achieve a bloodpH between 7.0 and 7.37, and coagulation was analyzedby rotational thromboelastometry after an incubation periodof 30 min using both intrinsically and extrinsically activated assays.

来自10名健康志愿者（2女，8男）的全血样本(3.000L)，加入40L 摩尔浓度增加的盐酸酸化以达到血 pH介於7.0和7.37之间。用本质和非本质活化测定法孵化30分钟后，再用旋转血栓弹性测定法分析凝血功能。

Comparing the results of three kinds of pretreatments (hydrochloric acid,ultrasonic fragmentation and frigorific fragmentation treatment),it is found that polyphosphate was not dissociated in cells of M.aeruginosa but associated with bioactivity components of the cells.

对用不同处理方式处理过的铜绿微囊藻藻液进行过滤显色和直接显色测定，结果表明聚磷酸盐在铜绿微囊藻体内不是游离存在，而很可能是与细胞内某一活性部分结合。

Comparing the results of three kinds of pre-treatments (hydrochloric acid, ultrasonic fragmentation and frigorific fragmentation treatment), it is found that polyphosphate was not dissociated in cells of M. aeruginosa but associated with bioactivity components of the cells.

对用不同处理方式处理过的铜绿微囊藻藻液进行过滤显色和直接显色测定，结果表明聚磷酸盐在铜绿微囊藻体内不是游离存在，而很可能是与细胞内某一活性部分结合。

This is the normal appearance of the gastric fundal mucosa, with short pits lined by pale columnar mucus cells leading into long glands which contain bright pink parietal cells that secrete hydrochloric acid.

图示为正常胃底部黏膜的镜下形态学改变，可见由白色的柱状黏膜细胞构成的胃腺体，其内可见粉色的壁细胞，具有分泌盐酸的功能。

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。