乙醚

基本解释 (translations)

ether

词组短语

ethyl ether · diethyl ether · ethyl oxide

与乙醚相关的网络例句 [注：此内容来源于网络，仅供参考]

After homogenate and centrifugation, the fat existing in liver was removed by diethyl ether. Then, the pH of the remaining aqueous layer was adjusted to 11.6 and clenbutamol was extracted using diethyl ether. The mobile phase component A was 50mmol/L phosphoric acid – 30mmol/L triethylamine and the pH was adjusted to 4.0 with 2mol/L sodium hydroxide.

此外，又将含有盐酸克伦特罗的猪肝用匀浆机匀浆，用1mol/L盐酸溶出其中的盐酸克伦特罗，再用乙醚去除盐酸溶出液中的脂肪后，用2mol/L氢氧化钠调节溶出液pH为11.6，用乙醚萃取其中的克伦特罗。

Then find out that ethyl ether can absorb the UV-light, the wavelength of that is lower than 304 nm, and can produce strong fluorescence.

发现，乙醚能吸收波长小于304 nm的紫外光，产生强的荧光；乙醚的荧光峰是波长306 nm至345 nm范围的宽谱峰，峰值波长在317 nm左右。

Triethylamine and ethyl ether were freshly distilled in nitrogen over potassium before use.

对于 三乙胺和乙醚的蒸馏提纯，是在氮气的保护下进行操作的，烧瓶中，加入乙醚，用氮气保护，置换体系中的空气，然后加入K，回流。

At the same concentration, extracts show the highest scavenging rate on the four different free radicals extracted by ethyl ether, acetone, ethyl ether and ethyl acetate, respectively.

在相同的浓度下，对自由基的清除作用最大的分别为乙醚、丙酮、乙醚和乙酸乙酯提取物。

Using NaOH-aether tests to distinguish whether 42 samples of yellow fat meat were icterus meat. The results showed that the method of NaOH-aether tests to detection icterus meat had accorded with the sense.

对感官发现的42头脂肪黄染猪肉用氢氧化钠-乙醚法鉴别黄疸、黄脂，结果表明：氢氧化钠-乙醚法鉴别黄疸、黄脂，与感官特征符合率高、准确性高、稳定性好。

The ammonia was evaporated under decreasing pressure, and the precipitate was filtered off and the liquid was poured into hot saturated picric acid solution to get picrate with a yield of 85.0%. The optimum process starting from imidazole-4,5-dicarboxylic acid was: imidazole-4,5-dicarboxylic acid in acetic anhydride was refluxed to get imidazole-4-carboxylic acid, and the product was esterification in ethanol with a catalyzer of concentrated sulfuric acid to get ethyl imidazole-4-carboxylate, at last the compound above was reduced by LiAlH4 in ether at room temperature to get the target compound, the total yield of this route was 49.6%.

以4，5-二羧酸咪唑为原料的较佳工艺：1 脱羧反应：4，5-二羧酸咪唑40g，醋酐1200ml，回流10h，过滤并将滤液浓缩至干，所得固体加至50%的乙醇溶液回流，过滤并将滤液自然冷却过夜，过滤得固体；2 酯化反应：4(5)-羧酸咪唑50g，乙醇1000ml和浓硫酸60ml，加热回流2h，5%浓度NaOH溶液调节至pH＝8，减压浓缩至干，加入少量水回流，自然冷却过夜并过滤得固体；3 还原反应：LiAlH410g，乙醚300ml和4(5)-羧酸咪唑乙酯28g，常温反应1.5h，小心滴加25ml水后过滤，滤渣溶于300ml甲醇中并过滤，收集所得乙醚和甲醇滤液浓缩至干，将所得固体溶于300ml乙醇中加热回流，后将溶液浓缩至约30ml，冷却并过滤得固体，该路线总收率为49.6%。

The catalysts such as tetraphenyl tin,aluminium isopropoxide and boron trifluoride etherate complex were used to catalyze the copolymerization.In addition,the copolyester can be given by copolycondensation after monomers were hydrolyzed by phosphoric acid.Boron trifluoride etherate complex was chosen as the catalyst because the catalytic activity was the best among the catalysts.

由于γ-戊内酯为五元环结构，难以进行开环聚合，因此分别考察了四苯基锡、异丙醇铝、三氟化硼乙醚络合物等催化剂，以及以磷酸为催化剂的水解缩聚反应，结果发现三氟化硼乙醚络合物的催化活性最高，因此选择三氟化硼乙醚为本体开环聚合的催化剂。

Preparation of poly(vinylidene fluoride-co-hexafluoro propylene)-based symmetric microporous membranes by a dry/wet phase inversion method ;2. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and EE as additive.

通过改变铸膜液中添加剂乙醚的含量，采用相转化法在平板刮膜机上制备了一系列超滤膜，考察了添加剂乙醚含量对铸膜液黏度、凝胶速度、膜性能和结构的影响，研究了PES-C/DMAc体系中添加剂乙醚作用的规律。

The colon temperatures were measured by a thermistor and the cytosolic free calcium concentration ([Ca2+]i) in dissociated brain cells was measured by Fura 2-AM. The results demonstrated that the pyretic action of egtazic acid (0.6 μmol, icv) was markedly inhibited by DEX (5 mg/kg,iv), but DEX (60-120 μmol/L) did′t affect [Ca2+]i in dissociated hypothalamus cells. Actinomycin D, which interferes with gene transcription (3 nmol, icv), completely abolished the antipyretic action of DEX on egtazic acid-induced fever.

结果发现：脑室灌注乙二醇双(2-氨基乙醚)四乙酸(0.6 nmol)引起家兔结肠温度明显升高，静脉注射地塞米松(5 mg/kg)显著抑制家兔乙二醇双(2-氨基乙醚)四乙酸性发热，地塞米松(60-120 μmol/L)并不影响下丘脑细胞内[Ca2+]i，而事先脑室灌注抑制基因转录的放线菌素D(3 nmol)则完全取消了地塞米松对乙二醇双(2-氨基乙醚)四乙酸性发热的解热作用。

BHT is used as ether stablizer in chemical reagent diethyl ether、 industrial ether、 anesthetic ether, has more obvious steady effect than others, and doesn't influence ether's other quality index.

用bht作为乙醚稳定剂，应用于试剂乙醚、业乙醚、麻醉乙醚等均有比一般乙醚稳定剂更显著的稳定效果，而且基本上不影响乙醚产品的其它质量指标。

与乙醚相关的网络解释 [注：此内容来源于网络，仅供参考]

aether：乙醚

1540年制备了当时称为乙醚(Aether)的物质,即乙醚(ether)麻醉的前身. 谈到可卡因(cocaine)和局麻药,可卡叶汁最早滴在伤口上用以止痛. Wren于1665年描述了将细羽毛管刺入向心端静脉注射药物,此为静脉麻醉的前身.

bee：苯偶姻乙醚

年华南地区苯偶姻乙醚(BEE)行业分析第五节 2009年华中地区苯偶姻乙醚(BEE)行业分析第六节 2009年西南地区苯偶姻乙醚(BEE)行业分析第七节 2009年西北地区苯偶姻乙醚(BEE)行业分析第五章 苯偶姻乙醚(BEE)行业投资与发展前景

ether bubbler：乙醚扩散器

ether bed 乙醚苏醒床 | ether bubbler 乙醚扩散器 | ether cone 乙醚罩

ethyl ether extract：乙醚浸出物

ethyl estrenol 乙基孕醇 | ethyl ether extract 乙醚浸出物 | ethyl ether 乙醚

ethyl ether extract：乙醚浸没物

ethyl estrenol 乙基孕醇 | ethyl ether extract 乙醚浸没物 | ethyl ether 乙醚

ethyl ether：(十二)乙醚

(十一) 丙醇 Isopropyl alcohol | (十二)乙醚 Ethyl ether | (十三)乙二醇乙醚 Ethylene glycol monoethyl ether

ethyl ether：乙醚(醚、二乙醚)

14 、邻氨基苯甲酸 Anthranilic acid | 15 、乙醚(醚、二乙醚) Ethyl ether | 16 、苯乙酸 Phenylacetic acid

ether inhaler：乙醚吸入面罩

ether drop bottle 乙醚滴瓶 | ether inhaler 乙醚吸入面罩 | etherioscope 测醚镜

phenetidine：氨基苯乙醚

phenetidin 氨基苯乙醚 | phenetidine 氨基苯乙醚 | phenetole 苯乙醚

ether thermoscope：乙醚验温器

ether starting device 乙醚起动装置 | ether thermoscope 乙醚验温器 | ether vapor concentration scale 乙醚蒸发浓度计