| 1. | Improvement on the synthesis 3 - 3 , 5 - di - tert - butyl - 4 - hydroxyphenyl propionic octadecyl ester
丙酸十八碳醇酯合成工艺改进 |
| 2. | Spectrophotometric determination of trace lead in ceramic with meso - tetra - 3 , 5 - dibromo - 4 - hydroxyphenyl prophyrine
卟啉分光光度测定陶瓷中的铅 |
| 3. | 4 - testing of paper and board ; testing for antimicrobial additives ; determination of 2 - oxo - 2 4 ' - hydroxyphenyl acethydroximic acid chloride content
纸和纸板的检验.抗微生物添加剂的检验. 2 -氧代- 2 |
| 4. | Manufacturer of curing agents for plastic and rubber production , including 2 , 2 - bis 4 - hydroxyphenyl hexafluoropane and hexamethylene diamine carbamate
-提供线下传统商场超市和网上商城全面价格比较交易的平台。 |
| 5. | Synthesis and characterization of poly aryl ether ketone from 1 - methyl - 4 , 5 - bis chlorobenzoyl cyclohexene and 4 - 3 , 5 - dimethyl - 4 - hydroxyphenyl - 2 , 3 - phthazin - 1 - one
含亚甲基和双二氮杂萘酮结构的聚芳酮的合成与性能 |
| 6. | 4 - hydroxyphenyl propane materials and articles in contact with foodstuffs - plastics substances subject to limitation - determination of 2 , 2 - bis 4 - hydroxyphenyl propane bisphenol a in food simulants
和食品接触的材料和物品.受限制的塑料物质.食品模拟物中2 , 2 -双 |
| 7. | 3 - methyl - 4 - hydroxyphenyl 2 - indolinone materials and articles in contact with foodstuffs - plastics substances subject to limitation - determination of 3 , 3 - bis 3 - methyl - 4 - hydroxyphenyl 2 - indolinone in food simulants
和食品接触的材料和物品.受限制的塑料物质.食品模拟物中3 , 3 -双 |
| 8. | Its headquarter is located at xinkailu no . 8 , xuanhua district of zhangjiakou city . its main products include ziyun brand civil explosive products series : powdery ammonium nitrate explosive emulsion explosive industrial fuse ; ziyun brand fine chemical products series : glyoxalic acid 5 - 4 - hydroxyphenyl hydantoin p - hydroxyphenylacetic acid p - hydroxyphenylacetamide allantoin daidzein bufexamac ; aaa brand fine chemical products series : ethylamine methanol trimethylacetic acid tert - valeryl chloride ; great wall brand agricultural chemical fertilizer products series : ammonia urea ammonium bicarbonate ; chenguang brand calium carbide chenguang brand acetylene carbon black xuguang brand dissolved acetylene ; and the others as sulphur ammoina liquor oxygen nitrogen , etc .
公司现有主要产品为，紫云牌民爆产品系列：粉状硝铵炸药乳化炸药工业导火索紫云牌精细化工产品系列：乙醛酸对羟基苯海因对羟基苯乙酸对羟基苯乙酰胺尿囊素大豆甙元丁苯羟酸三a牌精细化工产品系列：乙基胺甲醇特戊酸特戊酰氯长城牌农化产品系列：合成氨尿素碳铵晨光牌电石,乙炔炭黑旭光牌溶解乙炔。 |
| 9. | Meso - tetra ( 4 - acyloxyphenyl ) pophyrin was prepared by usual procedure from acyl chloride and meso - tetra ( 4 - hydroxyphenyl ) porphyrin in benzene and obtained in 86 . 4 % yield . treatment of the free base with zinc chloride in dimethyl formamide ( dmf ) - dichloromethane ( ch2cl2 ) yielded corresponding zinc porphyrin complex . the spectral data ( uv - visjr / h - nmr ) and elemental analysis are in agreement with the assigned structures
在合成工作基础上，采用紫外可见光谱( uv - vis ) 、红外光声光谱( ftir - pas ) 、核磁共振氢谱( ~ 1hnmr ) 、元素分析、摩尔电导等手段研究了卟啉及金属卟啉材料的组成及结构。 |
