乙醚

By marinating ground whole Senecio scandens Buch-Ham with 70% of ethanol solution, treating it with ultrasonic-microwave, and decoloring it with ether, then drying it with frozen vacuum, thus the frozen-vacuum-dried powder of S. scandens extract was prepared.

将千里光全草粉用体积分数70%乙醇浸泡，经超声波－微波处理，用乙醚萃取脱色，冷冻真空干燥，制备千里光提取物冻干粉。

All single step method and CTAB method did not work well when banana total RNA was isolated, unless modified single step method was used, in which, polysaccharide was removed by aether extraction prior to RNA precipitation.

对于富含多糖的香蕉果肉，一步法和CTAB异硫氰酸胍法的效果均不理想；改良后的一步法中增加了乙醚去除多糖并获得了较好的效果。

And the revolt within him ceased, for this warm and slumberous sickroom, with its all-pervading scent of ether, had ended by lulling him into a mere longing for happiness and peace.

他不再生气了。这间充满乙醚味的病人卧室是如此温暖，如此宁静，终于使他息怒了，他正需要安静，心情舒畅一下。

Bromophenetole was prepared by 3-bromophenol,sodium and ethyl bromide using ethanol as solvent,cat- alyzing by potassium iodide.

以间溴苯酚、金属钠和溴乙烷为原料，乙醇为溶剂，碘化钾为催化剂合成了间溴苯乙醚。

Properties: colorless needle-like crystals, melting point 105 ~ 106 ℃, optical rotation +51 °(c = 0.978, chloroform), other reports shows that by ethanol recrystallization the melting point 104 ~ 105 ℃, methanol re - the formation of solvate crystal melting point 84 ℃.it is Soluble in acetone, chloroform, insoluble in ether, petroleum ether, insoluble in water.

性质：无色针状结晶，熔点105～106℃，旋光度+51°（ c=0.978，氯仿），还有报道经乙醇重结晶熔点104～105℃，经甲醇重结晶形成的溶剂化物熔点84℃。易溶于丙酮、氯仿，难溶于乙醚、石油醚，不溶于水。

Methods: Lecithin and the sucrose ester-phospholipids liposome were prepared using the ethyl ether injection method by mixing sucrose ester with lecithin, sphingomyelin and cholesterol according to different lipids ratio.

按不同比例将乙酸异丁酸蔗糖酯与卵磷脂、鞘磷脂和胆固醇混合，溶于乙醚中，然后注入pH7.2的PBS缓冲液中，制成卵磷脂脂质体及蔗糖酯－卵磷脂脂质体。

Not only does it contain stearin fine, and mixed with palmitic acid, stearic acid and other components of the three Gan Youzhi, contains a lot of that is a mixture of solid three Gan Youzhi, a brown color, like fat and wax, like at room temperature A solid, dissolved in ethyl ether, chloroform and hexane.

它不仅含有硬脂精，而且混有棕榈酸、硬脂酸等组成的三甘油脂，即含有大量固体三甘油脂的混合物，色泽呈棕色，像脂肪和腊一样常温下呈固体状，溶解于乙醚、已烷和氯仿。

Because of the unique properties of a transverse wave it became apparent that this hypothetical explanation required the ether to be a solid.

由于独特的性能横波显然这个假设性的解释规定，以乙醚要扎实。

The company produces boron trifluoride acetonitrile and family of products based on technology Zhejiang Huangyan chemical synthesis, the plant is the first production of boron trifluoride etherate, one of the manufacturers, with thirty years of history, there is a group engaged in research boron trifluoride and a group of experts with practical experience of staff.

本公司生产三氟化硼乙腈及系列产品的技术主要依托浙江黄岩合成化工厂，该厂是全国最早生产三氟化硼乙醚的厂家之一，具有三十多年的历史，有一批从事研究三氟化硼的专家和一批具有实际操作经验的工作人员。

I was founded in 2005, is a professional Chemical Industry Co., Ltd, Main BF3 acetonitrile complex, boron trifluoride diethyl ether complex, boron trifluoride DMC complex and Inorganic chemical raw materials, pharmaceutical intermediates.

我公司成立于2005年，是一家专业的化工实业有限公司，主营三氟化硼乙睛络合物、三氟化硼乙醚络合物、三氟化硼碳酸二甲酯络合物及无机化工原料、医药中间体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。