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- A new water soluble color reagent 1 (5 bromo 2 pyridylazo) 2,7 hydronaphthoquinone 6 sulfonic acid (5 Br PADN S) was synthesized. 報道了水溶性 1－（5－溴－2－吡啶偶氮）－2，7－萘二酚－6－磺酸（5－Br－PADN－S）的制備方法及其分析特性。
- Cu 2+ ? Zn 2+ ? Co 2+ and Ni 2+ with 2 (5 bromo 2 pyridylazo) 5 diethylaminophenol(5 Br PADAP) and cetyltrimethy lammonium bromide(CTMAB) in pH 8.3 buffer solutions were studied. 痕量Fe3+、Mn2 +、Cu2 +、Zn2 +、Co2 +、Ni2 +與 2 ( 5 溴 2 吡啶偶氮 ) 5 二乙氨基苯酚 ( 5 Br PADAP)和溴化十六烷基三甲基銨 (CTMAB)在pH 8.;3時(shí)發(fā)生高靈敏顯色反應;所形成的三元膠束絡(luò )合物的吸收光譜嚴重重疊。
- The bromination of 6 methoxy 2 propionylnaphthalene with 1,3 dibromo 5,5 dimethylhydantoin proceeded smoothly, quickly, and gave 5 bromo 6 methoxy 2 propionylnaphthalene with 98.59% yield in alcohol. 室溫下;6-甲氧基-2-丙?；梁?;3-二溴-5;5-二甲基海因的溴化反應在醇溶劑中;反應速度快、轉化率高;生成5-溴-6-甲氧基-2-丙?；恋氖章矢?98.;59
- Ethyl 4 bromo 2 butenoate,a medicine intermediate,was prepared using 2 butenoic acid as main raw material through esterification and bromination reactions. 以2丁烯酸為原料,通過(guò)酯化和溴代反應研制了藥物中間體4溴2丁烯酸乙酯。
- Compared with the control group,a great number of Bromodeoxy Uridine/5 Bromo 2 Deoxy Uridine(BrdU) positive cells existed at the transplantation spot in the transplantation group,showing that the transplanted cells could survive in vivo. 移植組與對照組相比,移植組移植部位存在大量5-溴-2-脫氧尿苷(bromodeoxyuridine/5-bromo-2-deoxyuridine,BrdU)染色陽(yáng)性的細胞,表明移植的細胞在體內可以存活;
- Keywords Zinc 5 Bromo salicyl fluorone Fluorescence quenching method; 鋅;5-溴水楊基熒光酮;熒光熄滅法;
- Keywords zinc;salicylaldehyde 5 bromo salicyloylhydrazone;spectrofluorimetry; 鋅;水楊醛溴水楊酰腙;熒光分析;
- If you subtract 3 from 5, you get 2. 五減去三就得二。
- Keywords Molybdenum;5 Bromo Salicyl Fluorone;Cetyltrimethyl Ammonium Bromide;Fluorescence Quenching.; 鉬;5-溴水楊基熒光酮;溴化十六烷基三甲銨;熒光熄滅;
- These fish vary in weight from 3 lb to 5 lb. 這些魚(yú)的重量從3磅到5磅不等。
- The going rate for freelance work is 5 an hour. 自由職業(yè)者的現行酬金是每小時(shí)5英鎊。
- Keywords coal gangue;zinc;5 bromo salicyl fluorone;fluorescence quenching method; 煤矸石;鋅;5-溴水楊基熒光酮;熒光熄滅法;
- Many children under 5 go to nursery school. 5歲以下的許多兒童都上幼兒園。
- Meals average out at 5 per head. 膳食平均每人5英鎊。
- Children under 5 can travel for nothing. 5歲以下兒童可免付旅費。
- Even the cheapest was priced at 5. 即使最便宜的也標價(jià)5英鎊。
- Keywords aluminium;5 bromo salicylaldehyde salicyloylhydrazone;spectrofluorimetry; 鋁;5-溴-水楊醛水楊酰腙;熒光分析;
- The liquid was 5 litres in volume. 該液體的體積為5升。
- The ratios of 1 to 5 and 20 to 100 are the same. 1與5之比和20與100之比相同。
- The winning time was 1 minute 5 seconds. 獲勝的時(shí)間是1分零5秒。
