- 更多网络例句与间苯三酚相关的网络例句 [注:此内容来源于网络,仅供参考]
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Objective To observe the phloroglucinol role in the birth process.
目的 观察间苯三酚在产程进展中作用。
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Longitudinal and transverse sections of different parts of involucral bract Helichrysum bracteatumVent.
运用形态解剖学的方法对蜡菊总苞苞片的不同部位做横、纵切片,用HCl-间苯三酚染色进行细胞壁成分定性研究。
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The method of phloroglucinol to determine the content of wheat pentosan was discussed as well.
同时对"间苯三酚-冰醋酸法"测定小麦戊聚糖的含量进行了讨论。
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The linear ranges of determination for pyrogallol, phloroglucinol, pyrocatechol, resorcinol and parodioxybenzene were 1.0×10〓~2.0 ×10〓mol l〓, 1.0×10〓~1.0×10〓mol l〓, 1.0×10〓~6.0×10〓mol l〓, 1.0 ×10〓~2.0×10〓mol l〓 and 1.0×10〓~6.0×10〓mol l〓 respectively, and their detection limits were 7.2×10〓mol l〓, 6.8×10〓mol l-1, 2.1 × 10〓mol l〓, 7.1×10〓 mol l〓 and 2.2×10〓mol l〓 respectively.
该方法测定连苯三酚、间苯三酚、邻苯二酚、间苯二酚和对苯二酚的线性范围分别为1.0×10〓~2.0×10〓mol l〓,1.0×10〓~1.0×10〓 mol l〓,1.0×10〓~6.0×10〓mol l〓,1.0×10〓~2.0×10〓mol l〓和1.0×10〓~6.0×10〓mol l〓;检出限分别为7.2×10〓mol l〓、6.8×10〓 mol l〓、2.1×10〓 mol l〓、7.1×10〓mol l〓和2.2×10〓mol l〓。
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The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.
对黄烷醇化合物的立体选择性全合成进行了探索:以间苯三酚和2,4,6-三羟基苯乙酮为原料,尝试用两条路线对Distenin化合物进行了全合成研究;以对苯二酚为原料,经三步制得2,5-二甲氧甲氧基苯乙酮,与2,4,6-三甲氧甲氧基苯甲醛反应,经四步反应得到天然产物3,5,7,2′,5′-二五羟基黄烷关键中间体1-(2′,6′-二甲氧甲氧基苯)-3-(2",4",6-三甲氧甲氧基苯)丙烷-1R,2R-二醇83及其对映体84;简要介绍了EGCg类化合物的生物活性和研究概况。
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The synthetic organic chemicals, such as phenol, m cresol, phloroglucinol, phenylamine, 3,5 xylenol, p tertiary butyl phenol, nitrobenzene, tert butanol and chloral were oxidized in supercritical water system.
研究了超临界水氧化系统中合成有机化学品,如酚、间苯三酚、对叔丁基酚、间甲酚、3 ,5-二甲酚、苯胺、硝基苯、叔丁醇、三氯乙醛等的氧化作用。
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Aldol condensation 2, 5-dimethoxymethoxyacetophone with 2, 4, 6 -tri methoxymethoxybenzendehyde, then hydrogenation, reductive, the key intermediate 83 (84) of natural product 3, 5, 7, 2′, 5′- pentahydroxyflavan, was obtained; Mini reviewed EGCg activity, Then gallic acid and phloroglucin were used to synthsis EGCg, The key intermediate Chalcone 109 of EGCg was abtained through 7 steps from gallic acid.
重点介绍了以没食子酸为原料,经酯化,保护,还原,氧化,格氏反应,氧化六步反应得到3,4,5-三苄氧基苯乙酮,以间苯三酚为原料,经维斯迈尔反应,苄基保护,甲氧甲氧基保护三步反应得到2,4-二苄氧基-6甲氧甲氧基苯甲醛,酮106与醛108经羟醛缩合得到EGCg重要反应中间体查尔酮109。
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The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.
对黄烷醇化合物的立体选择性全合成进行了探索:以间苯三酚和2,4,6-三羟基苯乙酮为原料,尝试用两条路线对Distenin化合物进行了全合成研究;以对苯二酚为原料,经三步制得2,5-二甲氧甲氧基苯乙酮,与2,4,6-三甲氧甲氧基苯甲醛反应,经四步反应得到天然产物3,5,7,2′,5′-二五羟基黄烷关键中间体1-(2′,6′-二甲氧甲氧基苯)-3-(2&,4&,6-三甲氧甲氧基苯)丙烷-1R,2R-二醇83及其对映体84;简要介绍了EGCg类化合物的生物活性和研究概况。
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Methods 98 normal primiparas were randomly divided into two groups:the study group and the control group.When the cervix opened 2-3 cm,the study group received phloroglucinol(800 mg iv),while the control group received valium(10 mg iv).Observe the delivery process and the perinatal result.
将98例正常初产妇随机分为研究组和对照组,于宫口开大2~3 cm 时,研究组静脉推注间苯三酚80 mg,对照组静脉推注地西泮10 mg,观察两组产妇用药后的产程变化及围产结局。
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Methods: Phloroglucinol react with formaldehyde to come into being a yellowish-red dyestuff, the color of dyestuff changes with concentration of formaldehyde.
间苯三酚在强碱性条件下,与甲醛反应,生成橙红色物质,随甲醛浓度增加颜色加深。
- 更多网络解释与间苯三酚相关的网络解释 [注:此内容来源于网络,仅供参考]
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barium nitrate:硝酸钡
主要是改变底火的成份,最初以三硝基间苯二酚铅(Lead Styphnate)为起爆药,为德国人所发明. 目前还使用硝酸钡(Barium Nitrate)及硫化锑(Antimony Sulphide)等,无铅底火已经上市,但是其对击发的反应不是很好,所以其应用仍然有限.
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Phloroglucinol carboxylic acid:间苯三酚羧酸
Phloroglucinol aldehyde trimethylether 间苯三酚醛三甲醚 | Phloroglucinol carboxylic acid 间苯三酚羧酸 | Phloroglucinol dimethylether 间苯三酚二甲醚
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phloem ray:韧皮部射线
phloem parenchyma 韧皮薄壁细胞 | phloem ray 韧皮部射线 | phloroglucine 间苯三酚
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caproin:己脂;己酸精;三己酸甘油酯
己腈 caproic nitrile; capronitrile | 己脂;己酸精;三己酸甘油酯 caproin | 4-己间苯二酚 caprokol; 4-hexylresorcinol
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phloroglucin:间苯三酚
⒑间苯三酚(phloroglucin)溶液用于测定木质素. ⒓番红(safranin O)为碱性染料,适用于染木化、角化、栓化的细胞壁,对细胞核中染色质、染色体和花粉外壁等都可染成鲜艳的红色. 并能与固绿、苯胺兰等作双重染色,与橘红G、结晶紫作三重染色.
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phloroglucin:间苯三酚 均苯三酚 藤黄酚
telos 终极,目的 | phloroglucin 间苯三酚 均苯三酚 藤黄酚 | ametabolic 不变形的
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phormium fiber:新西兰麻纤维
phloroglucinol stain 间苯三酚染色 | phormium fiber 新西兰麻纤维 | phosphate 磷酸盐
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lead styphnate; lead trinitroresorcinate:收敛酸铅;三硝间苯二酚铅
硬脂酸铅 lead stearate | 收敛酸铅;三硝间苯二酚铅 lead styphnate; lead trinitroresorcinate | 碱式乙酸铅 lead subacetate
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SULPHURYL CHLORIDE:磺酰氯
乙烯基三氯硅烷 vinyl trichloro silane | 磺酰氯 SULPHURYL CHLORIDE | 间苯二酚 Resorcinol
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Masson trichrome stain:马森三色染色
443 偶氮卡红染色 Azan stain | 444 马森三色染色 Masson trichrome stain | 445 间苯二酚,品红染色 resorcin fuchsin stain