單詞
naphthalene
英 ['n?fθ?li?n]
基本信息
- n. 衛(wèi)生球；臭樟腦
實(shí)用場(chǎng)景例句
- In fact, camphor and naphthalene balls are different in nature.
- 事實(shí)上, 樟腦和臭丸在性質(zhì)上是不同的.
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- So here I would like to talk about camphor and naphthalene ball.
- 所以在這里,我想談?wù)撘幌抡聊X和臭丸.
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- A marble - sized ball, originally of camphor but now of naphthalene, stored with clothes to repel moths.
- 用來(lái)使蛀蟲(chóng)遠(yuǎn)離儲(chǔ)存的衣服的樟腦或萘的小圓球.
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- The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
- 用紅外光譜法測(cè)定了防蛀劑中對(duì)二氯苯和萘的含量.
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- For production of industrial naphthalene, the Coking Works of Anyang Iron & Steel Group Co.
- 安鋼焦化廠工業(yè)萘生產(chǎn)系兩爐兩塔工藝流程,過(guò)程復(fù)雜,控制參數(shù)多,指標(biāo)嚴(yán)格.
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- A sensitive chromogenic reagent , 2 - ( 4 - chloro - 2 - phosphophenylazo ) - 7 - ( 2,4 - dichlorophenylazo ) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid ( abbreviation : DC - CPA ), has been used in the spectrophotometric determination of bismuth.
- 研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羥基-3, 6- 萘二磺酸 ( DC -CPA ) 與鉍的顯色反應(yīng).
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- The gained achievements have a certain guiding significance for the industrial production of Naphthalene series superplasticizer.
- 所得成果對(duì)萘系高效減水劑的工業(yè)生產(chǎn)具有一定的指導(dǎo)意義.
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- The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their application in biotechnology were reviewed.
- 對(duì)應(yīng)用于生物工程的萘 、 芴 、 芘 、 蒽 、 苊等稠環(huán)芳烴衍生物作了概括介紹.
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- The development of polyethylene naphthalate ( PEN ) and its intermediate 2,6 - naphthalene dicarboxylic aicd ( 2,6 - NDA ) is reviewed.
- 敘述了PEN及其中間體2, 6- 萘二甲酸的發(fā)展情況.
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- The polymer films of naphthalene , including naphthylamine , naphthalene and aminonaphthalenol, were obtained by electrochemical polymerization method.
- 以電化學(xué)方法得到一系列的萘衍生物聚合膜.
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- Dispersants such as lignin type, naphthalene sulfonate - formaldehyde condensates and polycarboxylic acids were introduced.
- 介紹了木質(zhì)素類分散劑 、 萘磺酸甲醛縮合物和聚羧酸系分散劑.
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- The development condition and the problems in practice of Naphthalene series superplasticizer were also analysed.
- 分析了萘系高效減水劑的發(fā)展?fàn)顩r及應(yīng)用中存在的問(wèn)題.
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- Oil and Lubricants, Valves, Pipes and Pipe Fittings Naphthalene, Valves, Pipes Fittings Oil and Lubricants.
- 采購(gòu)產(chǎn)品油和潤(rùn)滑物, 閥門(mén), 管和管配件, 裝閥門(mén), 管配件,油和潤(rùn)滑物.
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- The purity of refined naphthalene could be more than 99.5 % by said fractional crystallization process.
- 通過(guò)分級(jí)結(jié)晶提純過(guò)程,可獲得純度達(dá)到99.5%以上的精萘產(chǎn)品.
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- The amino acids were derivatized with naphthalene _ 2,3 _ dicarboxyaldehyde ( NDA ) to produce electroactive substances.
- 氨基酸用萘-2,3-二羧醛 ( NDA ) 衍生為電活性物質(zhì).
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naphthalene相關(guān)單詞