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
英英解釋
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.
人體天然的皮脂中也含有蠟酯,它在皮膚中的角色除了保濕還是皮膚一個應對外界環(huán)境的保護層。
The categories and toxicity of phthalate esters that might have the effects of environmental endocrine-disrupting chemicals are introduced.
對其中可能產(chǎn)生內分泌干擾作用的化學物質種類、毒性進行了介紹。
Its esters seem to be relatively stable when compared with other wine yeasts.
其酯類似乎是相對穩(wěn)定相比其他酒酵母。
Eastman cellulose esters are based on up to sixty percent cellulose, one of the most abundant natural renewable resources.
伊士曼纖維素酯的基礎上百分之六十的纖維素,最豐富的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,該類型中有效的樹脂體系為短鏈的不同丙烯酸單體的酯類聚合物。
Nerve agents such as Sarin, Tabun and Soman are parts of organic phosphorus esters to which organophosphorus pesticide belong.
神經(jīng)性毒劑沙林、塔崩、梭曼與有機磷類農藥敵敵畏等同屬于有機磷酸酯類化合物。
concludes with a synthesis of citric acid esters of the existing problems, development the direction and application prospects.
最后提出了檸檬酸酯的合成目前存在的問題、發(fā)展方向和應用前景等。
Further, result of GCMS analysis showed that ethanol extract of Corallina officinalis is dominated by esters.
GCMS分析表明,珊瑚藻乙醇提取物成分以酯類為主。
and used for aviation, aerospace and special environment esters Synthetic Oil.
及用于航空、航天及特殊環(huán)境的酯類合成油。
The invention discloses a preparation of sterically hindered hydroxyphenylcarboxylic acid esters and a composition prepared by the same.
本發(fā)明公開了一種空間位阻羥苯基羧酸酯的制備方法以及由該方法所制備的組合物。
keto acids and their esters are active intermediates with difunctional groups in organic synthesis as well as in bioorganic process.
酮酸及其酯是一類雙官能團化合物,性質活潑而特殊,是重要的有機合成、藥物合成及生物合成中間體。
Benzotriazole, o - hydroxyl benzophenone, salicylic acid and esters comprise several important types of ultraviolet - absorbents (UAS).
苯駢三唑、鄰羥基二苯甲酮、水楊酸酯類化合物構成了幾種重要類型的紫外吸收劑。
If desired, the product obtained can be further separated to obtain purer sucrose esters and monoglycerides respectively.
產(chǎn)品尚可按需要進行分離,分別獲得脂肪酸蔗糖酯和單脂肪酸甘油酯。
Hydrocarbons, esters, alcohols ketones, and aldehydes were the major constituents. Hydrocarbons were dominant in Owari Satsuma cultivar.
主要成分為烴類、酯類、醇類、酮類和醛類化合物。
Methods: Salicylic acid glucose esters were synthesized from glucose by condensation, oxidization, deprotection and esterification.
方法:由葡萄糖通過縮合、氧化、去保護、酯化反應制備水楊酸葡萄糖酯。
Constituents of Rose Otto : Citronellol , Geraniol , Nerol, Farnesol, Esters, Rose Oxide etc hundreds of the rose fragrant ingredients .
玫瑰油營養(yǎng)成分:香茅醇,玫瑰醇,橙花醇以及各種酯類等上幾百種天然芳香揮發(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,用于糖酯類化合物的酶法合成具有許多優(yōu)點。
Not recommended with ketones, brake fluid, aliphatic esters, chlorinated solvents, gasoline and concentrated acid and alkaline solutions.
對于酮、制動液、脂肪質脂類、氯化石蠟溶劑、汽油、濃縮酸性和堿性溶液,不推薦使用此類型的管。
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酯的烷基結構對其熒光強度、最大吸收和發(fā)射波長影響不大。
Esters are the major components, the other chemical constituents were alkane, acids, alcohol, aldehyde and ketone.
主要成分為酯類化合物,同時鑒定出烷烴類、酸、醇、醛、酮類化合物。
Long-lived aromas are due to its production of esters and higher alcohols.
長壽的香味是由于其生產(chǎn)和高級醇酯。
However, esters are subject to hydrolysis, a retrograde reaction where water breaks the ester down into the starting alcohol and fatty acid.
然而,酯受制于水解,酯類行逆行反應,使水膜破裂,變成一開始的乙醇跟脂肪酸。
Polyol esters are suitable to be lubricant of minimal quantity lubrication to metal working.
多元醇酯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)濟的方法得到高品質的萜烯酯,同時避免了其它常用?;?/c>方法中的廢物處理問題。
The GAC-sand biofilter could remove benzoic acid esters, aliphatic acid esters and phenols in the influent of the biofilter effectively.
活性炭、石英砂雙層濾料生物濾柱可較大幅度地去除苯酸酯類、脂肪酸酯類和酚類等有機物。
Conclusion: The esters were the main components, amounting for 38. 67% of the total, followed by sesquiterpene amounting for 26. 58%.
結論:硬毛地筍脂溶性成分主要為酯類(38.67%),其次為倍半萜類(26.58%)。
Conclusion The main components of the volatile oil were firstly analyzed and most of them were esters and alkanes.
結論首次對林下參的揮發(fā)性成分進行了分析,含量較高的主要是酯類和烷烴。
Maize starch phosphate esters with different degrees of substitution were used as additives to the processing of chicken meat sausage.
研究了添加不同取代度玉米磷酸酯淀粉對雞肉火腿腸品質的影響。
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酯體外淬滅單線態(tài)氧能力。
Recent progress with respect to the hydrogenation of fatty acid methyl esters to fatty alcohols under moderate pressure was reviewed.
綜述了脂肪酸甲酯中壓加氫制天然脂肪醇工藝的國內外研究進展;
Advantages and disadvantages in research were reported. Further research on treatment of phthalate esters was suggested in this paper.
指出了目前研究中存在的主要問題,并進一步提出鄰苯二甲酸酯類污染物治理的發(fā)展方向。
Biodiesel is a typical environmental friendly fuel. The essential components of biodiesel are fatty acid methyl esters(FAME).
生物柴油是典型的綠色能源,主要成分是脂肪酸甲酯。
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)患者血清膽固醇酯脂肪酸組成的變化。
SURFACE ACTIVE AGENTS. TECHNICAL SODIUM SALTS OF SULPHURIC ESTERS OF AMIDO-ALCOHOLS DERIVED FROM FATTY ACIDS. ANALYTICAL METHOD.
表面活性劑.脂肪酸衍生物氨基醇的工業(yè)鈉鹽.分析方法
Aromatic esters are important fine chemicals which are widely used as perfume, antiseptic, antioxygen , plastic or medicine etc.
芳香酯是重要的精細化學品,廣泛用于香料、防腐劑、抗氧劑、塑料及藥物等方面。
Main products iodine, salt alginate, mannitol, sorbitol, algae acid, algae fat, algae feed, propylene glycol esters algal acid.
主要產(chǎn)品有碘、海藻酸鹽、甘露醇、山梨醇、海藻酸、海藻肥、海藻飼料、藻酸丙二醇酯。
Ternary phase diagrams of methanol-methyl esters-oil and methanol-glycerol-methyl esters were determined respectively.
通過實驗分別測定了甲醇-甘油-脂肪酸甲酯和甲醇-脂肪酸甲酯-麻瘋樹籽油的三元相圖。
The author selects monoglyceride sucrose esters and lecithin to make a food emulsifying agent test.
選擇單甘酯,蔗糖酯、卵磷酯等作食品乳化劑的實驗。
Plasticiser esters and surfactant derivatives derived from these alcohol mixtures are also provided.
另外提供源于這些醇混合物的增塑劑酯和表面活性劑衍生物。
These rosin esters showed high sizing effectiveness under neutral and alkaline papermaking conditions.
松香酯在中、堿性條件下表現(xiàn)了優(yōu)良的施膠效率。