石油醚,Petroleum ether
1)Petroleum ether石油醚
1.Study on the petroleum ether-extraction technique of oil sludge;含油污泥石油醚浸提技术研究
2.Extraction of active compounds by petroleum ether from fructus Toosendan and analysis with gas chromatography tandem mass spectrometry;川楝子活性成分石油醚提取与GC-MS分析
英文短句/例句

1.Separation and Enrichment with TOA-P507-Petroleum ether System of Chromium (VI)in Environmental Water;TOA-P507-石油醚分离富集环境水样中Cr(VI)
2.Analysis of Chemical Constituents of Petroleum Ether Extract from Poplar Bud杨树芽石油醚提取物的化学成分分析
3.Study on the Chemical Constituents of Erigeron Breviscapus Extracted by Petroleum Ether灯盏花石油醚浸提物的化学成分研究
4.Analysis of the chemical constituent of petroleum ether extract from Buchbera cruciata Ham.by GC-MGC-MS法分析黑草石油醚部位中的成分
5.Chemical study on petroleum ether portion of Sarcandra hainanensis海南草珊瑚石油醚部位化学成分研究
6.They are also employed to determine the density of gasoline. Kerosene, vegetable oil and petroleum ether.轻于水的,用以测定甲醇、乙醇、乙醚等水溶液;以及汽油、煤油、植物油、石油醚等液体之密度。
7.2. After handled with petroleum aether and chloroform, the article purity has raised 9.68%.2、粗提物经石油醚、氯仿处理后,纯度提高了9.68%。
8.Three different extracts were obtained after freeze-dried Coriandrum sativum L was processed by petroleum ether, 95%-ethanol, and water respectively.分别用石油醚、95%乙醇、水浸提芫荽,获得浸提液。
9.Studies on Chemical Constituents of the Extractives by Petroleum from the Leaves of Paulownia Fortunei (Seem.)Hemsl;白花泡桐叶石油醚部分的化学成分研究
10.Studies on Chemical Constituents of the Extractives by Petroleum from the Flowers of Paulownia Fortunei (Seem.) Hemsl;白花泡桐花石油醚部分的化学成分研究
11.Evaluating inhibitating activity to H~+,K~+-ATPase of petroleum ether fraction fromAngelica polymorpha Maxim紫金砂石油醚部位对H~+,K~+-ATPase作用的研究
12.Study on Antitumor Effect and Mechanism of Petroleum Ether Extract of Pine Needles in vivo and vitro松针石油醚提取物体内外抗肿瘤及机理研究
13.Study on Chemical constituents from the part of petroleum ether extract of Euphorbia pekinensis京大戟石油醚提取部分化学成分的研究
14.Analysis of the chemical composition of petroleum extraction from the flowers of Tetraena mongolica Maxim四合木花石油醚提取物的化学成分分析
15.Studies on chemical constitutents of petroleum ether extract with anti-tumor activity from Nerviliae fordii青天葵具抗肿瘤活性石油醚部位的成分研究
16.Studies on the Chemical Constituents of Petroleum Ether Extract of Lagerstroemia speciosa(Linn.) Pers Leaves大花紫薇叶石油醚部位的化学成分研究
17.A Study of the Ways to Extract Fatty Acid Value from the Grain with Petroleum Ether用石油醚提取粮食中脂肪酸值的方法研究
18.Analysis of Chemical Constituents of Petroleum Ether Fraction from Mahonia duclouxiana Gagnep.长柱十大功劳石油醚部位的化学成分分析
相关短句/例句

petroleum thio-ether石油硫醚
1.The composition of liquid membrane is 2wt% petroleum thio-ether, 4wt% Lan 113C and 94wt% kerosene.液膜的组成为:2%石油硫醚-4%多丁二酰亚胺-94%煤油,内相试剂为:1~2mol/L的氨水溶液。
3)naphtha[英]['n?fθ?][美]['n?fθ?]高石油醚
4)canadol,heavy mineral spirit;heavy petroleum spirit重石油醚
5)Petroleum Ether Extraction石油醚提取
1.Determination of Arsenic in Edible Oil by Digestion-Petroleum Ether Extraction and Hydride Generation Atomic Fluorescence Spectrometry;消化-石油醚提取氢化物-原子荧光光谱法测定食用油中砷
2.)Pok,in this paper the methods of water extraction,ethanol extraction and petroleum ether extraction were used.采用水提取法、醇提取法和石油醚提取法对小甘菊花的化学成分进行了比较全面的定性实验。
3.In this research, chemical constituents from the Clematis songarica Bge were obtained were obtained with the method of water extraction, ethanol extraction and petroleum ether extraction.本实验采用水提取法、醇提取法和石油醚提取法对准噶尔铁线莲的化学成分进行了定性研究。
6)petroleum ether extract石油醚提物
1.Analysis of genetic variation and stability of the content of petroleum ether extracts in flue_cured tobacco leaves;烤烟叶片石油醚提物质量分数的遗传变异及稳定性分析
延伸阅读

石油醚 石油醚是石油的低沸点馏分,为低级烷烃混合物。按沸点不同分为30-60 ℃、 60-90℃、90-120 ℃ 3类。无色透明易挥发液体,有类似乙醚气味.相对密度0.669,沸点60-90 ℃。溶于丙酮、醋酸乙酯、苯、氯仿、乙醚等,不溶于水。易燃。无毒。空气中最高容许浓度为0.03%。 用作快干溶剂和稀释剂。贮存于阴凉、通风、干燥的库房内,远离火种、热源。