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- Keywords diphenyl carbazide;spectrophotometry;zircon concentrate;chromium; 二苯基碳酰二肼;分光光度法;锆石精矿;铬;
- Keywords diphenyl carbazide spectrophotometry organo mineral compound fertilizers chromium determination study; 二苯卡巴肼;分光光度法;有机-无机复混肥料;铬;测定;研究;
- Keywords waste brewer抯 yeast;Chromium-rich yeast;diphenyl carbazide;spectrophotometry; 啤酒废酵母;富铬酵母;二苯胺基脲;分光光度法;
- Keywords Long capillary cell absorption spectrometry;chromium;diphenyl carbazide; 长光程吸光光度法;铬;二苯碳酰二肼;
- Keywords Flow injection analysis;Spectrophotometry;Chromium;Diphenyl carbazide;Waste water; 流动注射分析;分光光度法;铬;二苯基碳酰二肼;废水;
- Keywords waste brewer's yeast;chromium -rich yeast;diphenyl carbazide;spectrophotometry; 啤酒废酵母;富铬酵母;二苯胺基脲;分光光度法;
- Keywords polypropylene;diphenyl carbazide;separation and concentration;AAS;silver; 聚丙烯;二苯氨基脲;分离富集;原子吸收光谱法;银;
- Keywords diphenyl;benzylation;heat-transfer fluid; 联苯;苄基化;导热油;
- Total micro-amount chromium in water measured by diphenyl carbazide colorimetric method 用比色法测水中微量总铬
- Keywords diphenyl dimethoxy silane;synthesis;cocatalyst; 二苯基二甲氧基硅烷;合成;助催化剂;
- Keywords diphenyl;dihydroxy diphenyl cycloalkane;synthesis; 双酚;环烷基双酚;合成;
- Keywords diphenyl sulphone;potassium diphenyl sulfone sulfonate;synthesis; 二苯砜;二苯砜磺酸钾;合成;
- diphenyl carbazide 二苯卡巴肼,二苯肼基羰
- Keywords diphenyl carbonate;oxidative carbonylation;supercritical dioxygen;analysis;phenol; 碳酸二苯酯;氧化羰基化;超临界二氧化碳;分析;苯酚;
- Keywords diphenyl;2-phenylphenol;thiabendazole;fruits and vegetables;residue analysis; 联苯;邻苯基苯酚;噻苯咪唑;水果蔬菜;残留分析;
- Keywords diphenyl carbonate;methyl-carbonate;phenol;transesterification;vanadic oxide;silica;catalyst; 碳酸二苯酯;碳酸二甲酯;苯酚;酯交换;五氧化二钒;二氧化硅;催化剂;
- Keywords diphenyl carbonate;purification;phosgenation;transesterification;oxidative carbonylation; 碳酸二苯酯;提纯;光气法;酯交换法;氧化羰化法;
- Keywords Diphenyl carbonate, Diphenyl oxalate, Dimethyl oxalate, transesterification, acid sites, solid acid catalyst, decarbonylation; 碳酸二苯酯;草酸二苯酯;酯交换;酸中心;固体酸催化剂;脱羰基;
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
