查询词典 ether
- 与 ether 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
They will have facilitated these legions from space to penetrate the nearly impenetrable density of the evolutive Planetary Ether.
他们将从事推动这些来自空间军队几乎渗透不能通过的进化行星大气密度。
-
With a wide source of raw materials,simple process of synthesis,low cost,little pollution and similar metallurgical performance to pine camphor oil,the ester ether frother has been synthesized from by products of petrochemical industry.
醚酯类起泡剂是一种以石油化工副产品为原料的合成起泡剂,原料来源广、合成工艺简单、成本低、污染少,浮选指标和2#油相近。
-
ABSTRACT With a wide source of raw materials,simple process of synthesis,low cost,little pollution and similar metallurgical performance to pine camphor oil,the ester ether frother has been synthesized from by products of petrochemical industry.
醚酯类起泡剂是一种以石油化工副产品为原料的合成起泡剂,原料来源广、合成工艺简单、成本低、污染少,浮选指标和2#油相近。
-
The electron donorability of the electron donor part of the fulgide decreases when cationcomplexes with crown ether, and the intromolecular charge transfereffect reduces.
金属离子较大的电荷密度以及金属离子与冠醚较好的匹配使冠醚俘精酸酐分子内的电荷转移更不易进行,造成了光谱较大的蓝移。
-
The paper mainly studies the catalytic effect of crown ether for Darzens glycidic ester condensation of aromatic aldehydes with ethyl chlorocetate in mixed sovent system.
本文报道了在混合溶剂中冠醚催化作用的 Darzens 酯缩合反应,并合成了四个芳族缩水甘油酸酯类化合物。
-
Phenol aldehyde-epoxy resin Bisphenol-F type epoxy resin GFRP Adhesive Metaphenylene diamine Butyl glycidol ether
酚醛环氧树脂;双酚F环氧树脂;玻璃钢;胶粘剂;间苯二胺;丁基缩水甘油醚
-
Crude fat of the sample powder was determined gravimetrically after extraction with diethyl ether.
用乙醚从粉末中提取出粗脂肪,这些粗脂肪用比重法测定。
-
This paperindicated that it was good for condensation reaction when benzene-ring bearingelectron-attaching groups. It also showed that and the 6-hydroxyl group could bereacted with acyl halide, haloid ether and halo alkene, but not with halo alkane. It wasnot only the first time to find that the reaction product of D-mannitol and aromaticaldehyde is tri-condensation derivatives, but also the first time to obtain thep-phthaldehyde-sorbitol derivatives containing eight hydroxyl groups.
研究发现:苯环上有吸电子基团时对缩合反应有利;多元醇缩醛衍生物6-羟基除与酰氯反应外,也能和卤代酸酯、溴代烯反应,但不与卤代烷反应;首次发现D-甘露醇与醛反应主要得到三缩合物;首次合成了含有8个羟基的对苯二甲醛和山梨醇的缩合物。
-
The hypha growth-inhibiting method and the virulence determination method were used to investigate the inhibition effects of the petroleum ether fraction, chloroform fraction, ethyl acetate fraction, n-butanol fraction and water fraction in the alcoholic extracts from the aboveground of Peganum harmala L.
采用抑制菌丝生长法和毒力测定法,研究了骆驼蓬地上部醇提物的石油醚、氯仿、乙酸乙酯、正丁醇和水5个极性部位对南瓜枯萎病菌、西瓜枯萎病菌Fusarium oxysporum f。
-
The properties of surface chemistry and micellar aggregation number of a special anionic surfactant with two hydrophilic head groups linked by a rigid structure- disodium hexadecyl diphenyl ether disulfonate (C16-MADS) was determined respectively.
测定了由刚性基团联接的特殊双亲水基型阴离子表面活性剂——十六烷基二苯醚二磺酸钠(C16- MADS)的表面化学性能及胶束聚集数,并考察了表面活性剂浓度和体系温度对Nm的影响。
- 相关中文对照歌词
- Ether
- Ether
- When Under Ether
- In The Ether
- 推荐网络例句
-
But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
-
Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
-
Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。