盐酸的

Using the 1:1 chlorhydric acid and fly ash that has been incinerated react 8h by whisking sometimes . The cioncentraction of the draw out juice of Gallium is 10.9ug/g, The leaching out efficiency is percent of 35.2. The Galliums content and its leaching out efficiency is changed a little in the fly ash pass incinerating.

用1：1的盐酸在60℃下与焚烧后的粉煤灰间歇搅拌反应8h，浸出粉煤灰中镓浸出液中浓度为10.9μg/g，浸出率为35.2％；焚烧后不同粒级粉煤灰中镓的含量和浸出率没有明显的不同。

A production method of potassium dihydrogen phosphate includes the following steps: using phosphoric acid and potassium chloride to make them produce double decompositino reaction to produce potassium dihydric pyrophosphate and hydrogen chloride gas; hydrolizing potassium dihydri pyrophosphate to produce potassium dihydrogen phosphate; and the equipment used can solve the problems of mixed hydrochloric and phosphoric acids corrosion and expansion due to heating.

本发明公开了一种磷酸二氢钾的生产方法，其特征在于用磷酸与氯化钾进行复分解反应，生产焦磷酸二氢钾和氯化氢气体，焦磷酸二氢钾进行水解生产磷酸二氢钾，所用设备解决了盐酸、磷酸混酸腐蚀材质及加热造成的膨胀问题，本发明产品达到了磷酸与氢氧化钾中和法的质量，大幅度地节约了原材料的成本。

A new method for determination of Pd using precipitation separation by butanedione dioxime as a selective reagent and complexometic titration EDTA released from EDTA-Pd complex was established.

建立了丁二肟选择性沉淀分离和析出EDTA-Pd络合物中的EDTA，Pb(NO3)2返滴定测定Pd的新方法，系统地研究了在硝酸或盐酸介质中测定Pd的条件，并对比了本法与《国家标准》分析方法的结果。

Results: the best extracting condition for ellagic acid was to add 8 times amounts of the water solution of 1 mol/l hydrochloric acid, and to reflux for 60 min and extract twice.

结果：鞣花酸的最佳提取工艺为用1 mol/l的盐酸水溶液、8倍量、回流提取60 min、提取2次；结论：溶剂类型对鞣花酸的提取率影响最大，本研究确定的鞣花酸提取工艺合理、可行。

Results The two methods had the positive effects on BPH patients, the IPSS and urinefollow-metry rate were improved obviously in the two groups, and the curative effects of tamsolusin was much better than ERTH in the improvement of IPSS, but the urinefollow rate improvement in the two grpups was not significantly different.

结果两组病人对热疗和α1A受体阻滞药物的治疗均有肯定的疗效，与治疗前对照症状及尿流率显著改善；盐酸坦索罗辛的IPSS改善优于热疗组，尿流率的改善程度两组相似，差别无统计学意义；两组病人并发症均较轻，多为一过性，并未影响治疗。

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。

Catalytic Synthesis of Methyl Furoate by Peroxhydrogen and Sulphate Acid;2. Using hydrochloric acid as a cheap catalyst,perfume methyl furoate was synthesized from methanol and furoic acid prepared from furfural,and was characterized by GC,IR and 1H-NMR.

从糠醛出发，由制备的糠酸和甲醇反应，在盐酸催化下，合成了香料糠酸甲酯，并用IR、1HNMR、GC等进行了表征；探讨了包括高纯度糠酸的制备在内的反应影响因素，在醇酸物质的量之比为 5∶1、催化剂体积占甲醇体积 13。

As time of hydrolyzation went on,cellulose began to be hydrolyzed to glucose while xylose kept on decomposing.

发现采用甲酸/盐酸水解体系能有效水解麦草中的半纤维素，含HCl 10%的水解体系在65℃水解麦草0.5h可实现麦草中聚戊糖的充分水解，木糖的得率达到98%。

The molybdic acid aggregates with diameter of 1--2μm and length of several decades-micron can be obtained by the reaction of higher-concentration ammonium molybdate with HNO3 in a coexisting HAc or CTAB solution, repectively.

较高浓度的钼酸铵分别在醋酸和CTAB调节下与硝酸反应均可制备直径为1~2μm，长为数十微米的细长晶须，经过500~600℃烧结后则相应变为纳米级片状和颗粒状α-MoO3粉体；低浓度的钼酸铵在CTAB调节下与盐酸反应可制备不规则的晶体棒，经过烧结后得到颗粒状α-MoO3粉体。

The present invention discloses one kind of compound preparation comprising monopotassium glycyrrhizunate 20-75 weight portions, glycine 1-800 weight portions, L-cysteine hydrochloride 10-28 weight portions, and one or two of sodium chloride 10-30 weight portions, anhydrous sodium sulfite 10-28 weight portions and disodium edetate 1-9 weight portions.

本发明公开了一种含甘草酸单钾盐的复合制剂，由下述重量配比的组分制成：甘草酸单钾盐20-75份，甘氨酸1-800份，L-盐酸半胱氨酸10-28份，和氯化钠10-30份，无水亚硫酸钠10-28份，依地酸二钠1-9份中的一种或两种以上的混合。

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。