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esters

esters

美 ['est?rs]  英 ['est?s]

  • n.【化】酯;【女名】女子名
  • 網(wǎng)絡酯類;酯類化合物;脂類

詞形變化

復數(shù):esters  

英漢解釋

n.
1.
【化】酯
2.
【女名】女子名

英英解釋

n.

例句

The body's natural sebum also contains wax esters, which act as a sort of natural moisturizer and environmental barrier for the skin.

人體天然皮脂含有,皮膚角色除了保濕皮膚一個應對外界環(huán)境保護層。

The categories and toxicity of phthalate esters that might have the effects of environmental endocrine-disrupting chemicals are introduced.

其中可能產(chǎn)生內分泌干擾作用化學物質種類毒性進行介紹。

Its esters seem to be relatively stable when compared with other wine yeasts.

似乎相對穩(wěn)定相比其他酵母

Eastman cellulose esters are based on up to sixty percent cellulose, one of the most abundant natural renewable resources.

纖維素基礎百分之六十纖維素,豐富天然可再生資源之一。

A coating powder with a significant content of a polymer containing short chain esters of various acrylic monomers.

一種粉末涂料類型類型有效樹脂體系不同丙烯酸單體聚合物。

Nerve agents such as Sarin, Tabun and Soman are parts of organic phosphorus esters to which organophosphorus pesticide belong.

神經(jīng)毒劑、有機農藥敵敵畏等同屬于有機磷酸化合物。

concludes with a synthesis of citric acid esters of the existing problems, development the direction and application prospects.

最后提出檸檬酸合成目前存在問題、發(fā)展方向應用前景

Further, result of GCMS analysis showed that ethanol extract of Corallina officinalis is dominated by esters.

GCMS分析表明珊瑚乙醇提取物成分為主。

and used for aviation, aerospace and special environment esters Synthetic Oil.

用于航空、航天特殊環(huán)境合成。

The invention discloses a preparation of sterically hindered hydroxyphenylcarboxylic acid esters and a composition prepared by the same.

發(fā)明公開一種空間苯基羧酸制備方法以及方法制備組合。

keto acids and their esters are active intermediates with difunctional groups in organic synthesis as well as in bioorganic process.

及其一類官能團化合物性質活潑特殊,重要有機合成、藥物合成生物合成中間體

Benzotriazole, o - hydroxyl benzophenone, salicylic acid and esters comprise several important types of ultraviolet - absorbents (UAS).

、羥基、化合物構成幾種重要類型紫外吸收

If desired, the product obtained can be further separated to obtain purer sucrose esters and monoglycerides respectively.

產(chǎn)品尚可需要進行分離,分別獲得脂肪酸蔗糖脂肪酸甘油酯

Hydrocarbons, esters, alcohols ketones, and aldehydes were the major constituents. Hydrocarbons were dominant in Owari Satsuma cultivar.

主要成分、、化合物。

Methods: Salicylic acid glucose esters were synthesized from glucose by condensation, oxidization, deprotection and esterification.

方法葡萄糖通過縮合、氧化、保護反應制備水楊酸葡萄糖。

Constituents of Rose Otto : Citronellol , Geraniol , Nerol, Farnesol, Esters, Rose Oxide etc hundreds of the rose fragrant ingredients .

玫瑰營養(yǎng)成分香茅,玫瑰以及各種幾百天然芳香揮發(fā)成分。

As a new kind of green solvents, ionic liquids have many advantages over organic solvents for enzymatic synthesis of sugar esters.

離子液體作為新型綠色反應介質,用于化合物合成具有許多優(yōu)點。

Not recommended with ketones, brake fluid, aliphatic esters, chlorinated solvents, gasoline and concentrated acid and alkaline solutions.

對于制動、脂肪、氯化石蠟溶劑汽油、濃縮酸性堿性溶液,推薦使用類型。

The fluorescence analytical results indicated that the alkyl structures of Rh B esters hardly affected their fluorescence behaviors .

熒光性能分析結果表明,烷基羅丹明B烷基結構熒光強度、最大吸收發(fā)射波長影響不大。

Esters are the major components, the other chemical constituents were alkane, acids, alcohol, aldehyde and ketone.

主要成分化合物,同時鑒定烷烴、、化合物。

Long-lived aromas are due to its production of esters and higher alcohols.

長壽香味由于生產(chǎn)高級。

However, esters are subject to hydrolysis, a retrograde reaction where water breaks the ester down into the starting alcohol and fatty acid.

然而受制水解,逆行反應,使破裂,變成開始乙醇脂肪酸

Polyol esters are suitable to be lubricant of minimal quantity lubrication to metal working.

多元醇適合作為微量潤滑金屬加工潤滑劑。

The simple, economical process gives high-quality terpene esters while avoiding waste-disposal issues of other common acylation procedures.

這個簡單經(jīng)濟方法得到品質同時避免其它常用?;?/c>方法廢物處理問題

The GAC-sand biofilter could remove benzoic acid esters, aliphatic acid esters and phenols in the influent of the biofilter effectively.

活性炭、石英雙層生物大幅度去除、脂肪酸有機物

Conclusion: The esters were the main components, amounting for 38. 67% of the total, followed by sesquiterpene amounting for 26. 58%.

結論成分主要(38.67%),其次倍半萜(26.58%)。

Conclusion The main components of the volatile oil were firstly analyzed and most of them were esters and alkanes.

結論首次揮發(fā)性成分進行分析,含量較高主要烷烴。

Maize starch phosphate esters with different degrees of substitution were used as additives to the processing of chicken meat sausage.

研究添加不同取代玉米磷酸淀粉雞肉火腿品質影響。

OBJECTIVE To compare the ability to quench singlet-oxygen of lutein and its esters from marigold flower in vitro.

目的比較萬壽菊花中葉黃素及其淬滅單線態(tài)能力。

Recent progress with respect to the hydrogenation of fatty acid methyl esters to fatty alcohols under moderate pressure was reviewed.

綜述脂肪酸加氫天然脂肪工藝國內外研究進展;

Advantages and disadvantages in research were reported. Further research on treatment of phthalate esters was suggested in this paper.

指出目前研究存在主要問題進一步提出二甲酸污染物治理發(fā)展方向。

Biodiesel is a typical environmental friendly fuel. The essential components of biodiesel are fatty acid methyl esters(FAME).

生物柴油典型綠色能源,主要成分脂肪酸。

Objective To investigate the changes in fatty acid composition of serum cholesteryl esters in patients with chronic heart failure (CHF).

目的探討慢性心力衰竭CHF患者血清膽固醇脂肪酸組成變化

SURFACE ACTIVE AGENTS. TECHNICAL SODIUM SALTS OF SULPHURIC ESTERS OF AMIDO-ALCOHOLS DERIVED FROM FATTY ACIDS. ANALYTICAL METHOD.

表面活性劑.脂肪酸衍生物氨基工業(yè).分析方法

Aromatic esters are important fine chemicals which are widely used as perfume, antiseptic, antioxygen , plastic or medicine etc.

芳香重要精細化學品,廣泛用于香料、防腐劑、抗氧劑、塑料藥物方面。

Main products iodine, salt alginate, mannitol, sorbitol, algae acid, algae fat, algae feed, propylene glycol esters algal acid.

主要產(chǎn)品、海藻、甘露、山梨、海藻、海藻、海藻飼料、

Ternary phase diagrams of methanol-methyl esters-oil and methanol-glycerol-methyl esters were determined respectively.

通過實驗分別測定甲醇-甘油-脂肪酸甲醇-脂肪酸-樹籽三元

The author selects monoglyceride sucrose esters and lecithin to make a food emulsifying agent test.

選擇,蔗糖食品乳化實驗。

Plasticiser esters and surfactant derivatives derived from these alcohol mixtures are also provided.

另外提供源于這些混合物增塑劑表面活性劑衍生物。

These rosin esters showed high sizing effectiveness under neutral and alkaline papermaking conditions.

松香堿性條件表現(xiàn)優(yōu)良效率。