氯酸

Gold nanoparticles were prepared with chemical reduction method and the size was controlled via adjusting the molar ratio of citric acid to chloroauric acid.

采用柠檬酸钠还原氯金酸法制备金溶胶，以正硅酸乙酯为硅源，氨水作催化剂，制备以金为核，二氧化硅为壳的核壳纳米粒子。

I-V characteristics of HgI2 crystal wafers with sputtered gold and coated chloroauric acid were studied using 4155 CVIV instrument.

利用4155型CVIV测试仪表征了分别采用蒸镀Au、涂敷氯金酸（AuCl3溶液）作为电极材料时HgI2晶体I-V特性。

UV-Vis spectrum showed that some monomer or oligomer were existed in this film. The results demonstrated that the PPy chains were served as both the reductant of chloroauric acid and the ligands to stabilize gold-NPs.

接着利用吡咯单体及寡聚体具有的还原性，将新合成的聚吡咯膜浸泡在氯金酸水溶液中搅拌反应，通过扫描电镜观察发现，在膜中还原生成了大量的金纳米粒子，同时在膜的表面也观察到了金纳米粒子的存在。

Au nanoparticles which were prepared by sodium citrate reduction of chloroauric acids were taken as the energy acceptors. Au nanoparticles were linked to 3'-SH—DNA by Au—S bond.

采用柠檬酸钠还原氯金酸法制取的Au纳米粒子作为能量受体，通过Au—S键将单链DNA连接到表面。

The survey indicates that 2.5 hours is the most appropriate time for producing nano-gold particles from PVA; when PVA reacts with chloroauric acid, Auis reduced to Au,while hydroxyl group is changed into carbonyl group; the diagram of DSC and TG show that increasing temperature and concentration can improve thermal stability of PVA membrane.

结果表明：PVA制备纳米金颗粒到反应2.5小时为宜；PVA与氯金酸的反应是-OH将Au还原为Au而转化为=O的过程；DSC和TG图谱表明温度和浓度升高都能提高PVA膜的热稳定性能。貌似无人，各位路过的大神，帮帮忙吧。

The preparation method is characterized in that:(1) at minus 10 DEG C to 10 DEG C, a chloroauric acid solution with a certain concentration is added into a nano-Pt/C catalyst by ultrasonic or stirring mixture and the atomic ratio of Pt to Au is controlled between 18:1 and 5:1;(2) a small amount of monohydric alcohol or dihydric alcohol or trihydric alcohol of C1-C3 is added and is stirred at minus 10 DEG C to 10 DEG C for 10 min to 5h, so as to prepare the carbon-loading Pt-Au bimetallic nano electro-catalyst;(3) if necessary, the catalyst obtained by the step (2) is treated for 0.5 to 4h at high temperature ranging from 100 DEG C to 700 DEG C in the inert or reducing atmosphere, so as to adjust and control the grain size of the Pt-Au bimetallic nano electro-catalyst.

本发明涉及了一种高稳定性碳载Pt-Au双金属纳米电催化剂的制备方法，其特征在于：(1)在-10～10℃中，将一定浓度氯金酸溶液加入到纳米Pt/C催化剂中经超声或搅拌混合，控制Pt∶Au的原子比为18∶1-5∶1；(2)添加少量C 1 -C 3 的一元、二元或三元醇类，在-10～10℃下搅拌10min-5h，制备了碳载铂金双金属纳米电催化剂；(3)视需要，可将步骤(2)得到的催化剂在惰性气氛或还原气氛中经100～700℃高温处理0.5-4h，可调控Pt-Au/C双金属纳米催化剂的粒径。

Gold quantum dot arrays were self-assembled inside pore channels of ordered amino-functionalized mesoporous silica thin films, employing the neutralization reaction between chloroauric acid and amino groups.

利用氯金酸与氨基官能团的中和反应，在氨基化有序二氧化硅介孔薄膜中自组装了金量子点阵列。通过改变介孔的孔径在2.3nm至8.3nm间改变，能够控制量子点的尺寸随之变化。

H-Tyr-OH was then react with fluorenylmethyl chloroformate in dioxane or THF to give N-Fluorenylmethoxycarbonyl-O-benzyltyosine Fmoc-Tyr(Bzl-OH in 98% yield.

酪氨酸苄醚与芴甲氧羰基氯(Fmoc-C1)反应，成功地在氨基上导入了芴甲氧羰基保护基，反应在二氧六环或四氢呋喃中进行，产率达到98%。

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

为了寻找高生物活性的脲类化合物，通过2-氨基-5-(3-吡啶基)-1，3，4-噻二唑与酰基叠氮化物反应，设计合成了7个新的N-[5-(3-吡啶基)-1，3，4-噻二唑-2-基]-N'-取代苯基脲，其中芳酰基叠氮化物是以芳酸、氯甲酸乙酯、叠氮化钠为起始原料采用&一锅法&所制得。

From the results, the extraction was optimized by using microwave-assisted derivatization at 300 watt for 3 sec with methyl chloroformate/methanol derivatization reagent and sample solution in the ratio of 2:1, and then extraction 30 min.

实验结果显示，利用搅拌子吸附萃取法结合气相层析质谱术分析尿液中胺基酸，衍生化功率为300瓦，衍生化时间为3秒，水样与氯甲酸甲酯/甲醇衍生化试剂体积比为2：1时有最佳衍生化条件。

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。