皂
- 与 皂 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Hemp fruit were extracted with petroleum ether,and the extract hemp fruit oil was saponified and esterfied with methanol.
为了开发火麻仁资源,用石油醚提取火麻仁油,经皂化、甲酯化处理,GC MS联用对其脂肪酸组成进行了分析和鉴定。
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Spectrophotometer measuring, the total content of caroteinoids in saponified product was 29.22%, and in the crude extract was 5.07%.Using VC-CUSO4-H2O2 system to study its scavenging activity, the result indicated that both the saponified extract and the purified lutein could quench the hydroxyl radical.
采用抗坏血酸一CuZ十一H八一酵母体系产生的经自由基为体外模型,对制备产品清除轻自由基的能力进行研究,结果发现南瓜黄色素的皂化品和纯化碑能有效清除轻自由基,最佳的浓度为0。
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Then, PP-g-PVAc granule was saponified to PP-g-PVOH by heterogeneous saponification technique with NaOH/KOH as catalyst in alcohol dispersing medium. During our investigation, some methods to prepare PP-g-PVOH with high saponification percentage were explored.
本文又以PP-g-PVAc为原料,NaOH/KOH为催化剂,探讨并系统研究了利用非均相皂化反应制备高醇解率聚丙烯接枝聚乙烯醇的工艺,并对本文制备得到的两种接枝共聚物PP-g-PVAc和PP-g-PVOH的结构和性能进行了表征。
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Samples were saponified with 20 g/L sodium hydroxide. The sexual hormones were then extracted with dichloromethane-acetic acetate (40∶1, v/v) under acidic conditions (pH 3, adjusted with 1 mol/L HCl ). An XTerraTMRP18 column was employed and a mixture of water-methanol-acetonitrile (50∶32∶18, v/v) was used as mobile phase. The seven sexual hormones were detected at 230 nm. The average spiked recoveries for the seven sexual hormones ranged from 75.6% to 97.8% with relative standard deviations of 1.9% to 7.2%. The linear ranges of determination were from 5 to 50 mg/L with correlation coefficients of 0.9999, and the limits of detection were from 3.7 to 12 ng.
先在试样中加入20 g/L氢氧化钠溶液与油脂进行皂化反应,然后用二氯甲烷-乙酸乙酯(体积比为40∶1)混合液在酸性条件下(pH 3)萃取,选择XTerraTMRP18色谱柱,以水-甲醇-乙腈(体积比为50∶32∶18)混合液为流动相,在波长230 nm处检测。7种性激素分离良好并排除了样品中杂质峰的干扰,低、高浓度平均回收率范围为75.6%~97.8%;相对标准偏差为1.9%~7.2%;检出限为3.7~12 ng。
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Firstly, polyunsaturated fatty acid was enriched from saponified single cell oil by means of low temperature solvent crystallization, which gave a PUFA-rich fatty acid fraction with 74.71 wt% arachidonic acid and a corresponding yield of 97.1%.
首先,用低温溶剂结晶从皂化单细胞油中浓缩多饱和脂肪酸,结果可得到一富含PUFA之脂肪酸,其中花生四烯酸之含为74.71 wt%,产则为97.1%。
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Firstly, polyunsaturated fatty acid was enriched from saponified single cell oil by means of low temperature solvent crystallization, which gave a PUFA-rich fatty acid fraction with 74.71 wt% arachidonic acid and a corresponding yield of 97.1%.
首先,利用低温溶剂结晶从皂化单细胞油中浓缩多不饱和脂肪酸,结果可得到一富含PUFA之脂肪酸,其中花生四烯酸之含量为74.71 wt%,產率则为97.1%。
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Charging method was partly improved in the technical process for preparing PVC heat steabilizer- lanthanum stearate by saponifying method.
对皂化法制备PVC热稳定剂硬脂酸镧工艺过程中的加料方式进行了部分改进。
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The conventional method of sizing used soaped rosin and aluminum sulfate at acid condition , pH 4 to 5, which is so called acid sizing.
传统的施胶方法是利用皂化松香胶和硫酸铝在pH值为4~5的条件下进行的,即所谓的酸性施胶。
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The fabrics have nice washing fastness after soaped 20 times.
对织物皂洗20次后测试其抗紫外线效果,发现织物具有较好的耐洗性。
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To have a shiny skin, after soaping the skin, rinse one or two minutes later.
有光泽的皮肤,皮肤皂洗后,冲洗一次或两分钟后。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。