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Its ether extract contains Isopsoralen and Bergapten.

香豆素类应为五指毛桃的有效部位之一。

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He lost consciousness at the first whiff of ether.

他一嗅到醚便失去了知觉。

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One new solvent free impregnating resin based on unsaturated polyester with modified diphenylene ether is prepared.

以改性二苯醚树脂为原料,合成了一不饱和聚酯型无溶剂浸渍绝缘漆。

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In this paper, the cedrol methyl ether was synthesized by sodamide method.

本文采用氨基钠法合成甲基柏木醚。

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Polybrominated Diphenyl Ether.

物质.

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In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.

本文醛和二甲基二氯硅烷反应合成二甲硅基双醇醚进行了研究。

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Behaviors of armeen,tertiary amine,poly-amide and ether amide in floatation of kaolinite,pyrauxite and illite are studied.

研究了脂肪伯胺、叔胺、多胺和醚胺四药剂高岭石、叶腊石、伊利石的浮选行为,结果表明捕收能力顺序为多胺>叔胺>醚胺>脂肪>伯胺。

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No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、二硫化碳、二氯烷,微溶于醇和醚,不易溶于水和汽油。

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Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.

分别阐述了聚和四氟氟代烷基基醚共聚物的结构和力学热学、辐射、化学性能。

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For polysaccharide synthescs,ring open-ing polymerizatlon of 1,6-,1,4-,1,3-,and 1,2-anhydro sngars,and polycondensation of cya-noethylidene trityl ether sugars are described.

多糖的合成主要介绍了1,6-、1,4-、1,3-、1,2-缩水内醚糖的阳离子聚合制备均聚多糖,及用糖原酸酯衍生物通过缩聚反应制备多糖。

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The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.

以二苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,研究了基正丁醚的本体和溶液光聚合。

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Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.

以醋酸和二醇单醚为原料,活性白土负载磷钨酸作为催化剂,合成了二醇单醚醋酸酯。

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In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.

合成了10个内酯型冠醚化合物,其中7个冠醚是化合物,其结构均由元素分析,及红外、核磁、质谱分析证实。

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The Applications of Arylboronic Acid in biaryl synthesis,synthesis of diaryl ethers,synthesis of aromatic amines and catalytic addition reactions were summarized.

综述了芳基硼酸在联芳基合成、二芳基醚合成、芳香胺合成和催化加成反应中的应用。

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Four new materials,such as carbon suspension,sodium sulfonate of polyoxyethylene allyl glycidyl nonyl phenyl ether,vanillyl alcohol,vanillin,etc,in lead-acid storage batteries were reviewed.

综述了铅酸蓄电池用碳素悬浊液的制备与作用方式以及在铅酸蓄电池使用聚氧化丙基缩水甘油基壬基苯醚的硫酸酯钠盐、香草醇和香草醛的目的及作用机理。

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A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和二基醚的反应,我们得到了一的酯缩醛结构分子玻璃。

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Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水醇、醚、丙酮及水作溶剂,四川汉源花椒作了精油提取研究。

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BMI resin systems modified by allyl methylphenol ether,allyl methylphenol, allyl methol phenol and diallyl bisphenol A, respectly have been studied.

丙基甲酚醚、丙基甲酚、丙基甲酚和二丙基双酚A改性BMI所得树脂体系进行了研究。

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Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰在耐高温离子交换树脂DCP催化作用下与无水醇反应生成了异龙脑基醚。

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In this paper,a type of kilomega bps chips group for ether net which surpasses the standards by large abundance is presented.

介绍了一性能超越规范很宽裕量的千兆位以太网芯片组。

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英语小霸王

It contains diethyl ether. It's a general anesthetic.

别吸进去了 我需要你保持清醒。

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世界奇趣图谱

He believed there was something between heaven and Earth, perhaps what philosophers have called the ether.

他相信天堂之间有一些东西 和地球,也许是哲学家们所拥有的叫以太。

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科学60秒-科学美国人 2023年8月合集

Then she'd disappear again into the ether.

然后,她又消失得无影无踪。

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6 Minute English 六分钟英语

In this context, ether means the air where electronic communication happens. And nothing's flying around, Peter Pan!

在这里,以太是指电子通讯发生的空间。没有东西在飞来飞去,彼得·潘!

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VOA Special 2021年3月合集

When the auction ends, Christie's will accept payment in traditional money or in the virtual currency known as Ether.

后,佳士得将接受传统货币或被称为Ether的虚拟货币支付。

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电台实验

So he administers the ether using this inhaler.

所以他使用这个吸入器来管理乙醚。

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自我提升必备书单

Marconi dreamt of a system for harnessing the intangible forces of the ether and revealed the radio to the world.

马可尼立一个系统来驾驭以太的无形力量,并向世界揭示了无线电。

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化学 Crash Course

Esters are just like a ketone mixed with an ether.

酯就像酮与醚的混合。

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陪你入睡

I thought you had vanished into the ether, into another world.

我以为你已经消失在以太里,消失在另一个世界里了。

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流行文化

Specifically, the Ethereum blockchain, so you have to buy them with " ether" .

具体来说,以太坊区块链,所以你必须用“以太币”购买它们。

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科学杂志:科技

If not, the guardian is in front of ether 2 or 3.

如果不是,监护人就在以太币 2 或 3 的前面。

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《金融时报》 Podcast

And it's yours. And before it goes out into the ether.

这是你的。在它进入以太之前。

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宇宙的奇迹

But there are also complex carbon compounds in here. So there's methanol, there's hydrogen cyanide, there's formaldehyde, there's dimethyl ether.

还有一些复杂的碳基化合物,比如甲醇 、氰化氢、 甲醛、 二甲醚。

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CNBC全球经济分析

Many NFTs are priced in ether, the digital token of the Ethereum blockchain.

许多 NFT 以以太币定价, 以太币是以太坊区块链的数字代币。

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2023-37

Scientists tend in be horrified at the possibility of an ether being discovered.

科学家们往往对发现以太的可能性感到震惊。

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TED-Ed(视频版)

In the 1840s, they started sedating patients with ether during dental extractions and surgeries.

在 1840 年代,他们开始在拔牙和手术期间用乙醚镇静病人。

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TED演讲(音频版) 2023年7月合集

Is it about the people in that organizationor something in the ether, the culture?

是关于组织中的人还是关于以太、文化中的某些东西?

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职场自我提升指南

Bitcoin, Ether, and NFTs that are likely to gain in value over time aren't affordable.

比特币、以太币和 NFT 可能会随着时间的推移而升值,但价格并不高。

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英语演讲大全

Imagine the possibilities when we remove imbalance from the ether because it’s unbalanced right now.

象一下当我们从以太中消除不平衡时的可能性,因为它现在是不平衡的。

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老友记第四季 Friends Season_04

I need to speak with ether one of the best men, or Ross's sister Monica.

我能不能和随便那个伴郎说话? 罗斯的妹妹莫妮卡也行。

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