alkyl
美 ['ælk?l] 
英 ['ælk?l]
- n.【化】烷基；烴基
- 網(wǎng)絡(luò)烷基化合物；烷類；有烷基
英漢解釋
英英解釋
例句
Amines are basic nitrogenous compounds in which one, two or three atoms of hydrogen in ammonia are replaced by alkyl or aryl groups.
胺是含氧的化合物，是由一個(gè)、兩個(gè)或三個(gè)氫原子與氨以烴基或芳基結(jié)合的基團(tuán)。
Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals .
在一芳香環(huán)上一個(gè)取代烷鏈的消失，結(jié)果出現(xiàn)自由基。
Filter alkyl urea by special foam with refined activated carbon and made with a high degree of absorption performance.
過濾片由特殊脲烷泡沫塑料配合精制活性碳而制成，具高度吸收效能。
Conclusion: S-alkyl-L-cysteine as the binding ligand can be applied to affinity chromatography for alliinase purification.
結(jié)論：以S-烷基-L-半胱氨酸為配基制得適合于蒜氨酸酶分離純化的親和載體。
Cannabinol and its tetrahydro derivatives ; their 3 - alkyl homologues ; any ester or ether of any substance falling within this item.
大麻酚及其四氫衍生物；它們的3-烷基同系物；任何屬此項(xiàng)范圍內(nèi)的物質(zhì)的酯類及醚類。
The general answer to this problem is to avoid alkyl halides .
解決這一問題的一般辦法是避免使用烷基鹵。
The results suggest that an increase in alkyl group chain substituted on the cation ring correspond with an increase in toxicity.
結(jié)果表明，隨著離子液體陽離子咪唑環(huán)上烷基取代基的增大，離子液體對酵母細(xì)胞的毒性逐漸增大。
In this thesis , alkyl trimethylammonium bromides(CTAB) and carboxymethyl cellulose(CMC)form a dual strengthening system.
論文研究以烷基三甲基溴化銨和羧甲基纖維素為增強(qiáng)劑，組成二元增強(qiáng)系統(tǒng)。
The addition of alkyl groups to PAHs enhances the carcinogenic potential of these compounds.
烷烴加在多環(huán)芳烴上的系列會(huì)提高這些化合物的致癌作用。
He suggests that the alkyl-methoxypyrazine molecules may be sticking to the aluminium and thus being segregated from the wine.
他解釋道化合物分子可能吸附在鋁箔上從而從酒中隔離了。
The better matching the alkyl side chain of PA with the carbon number of wax in crude oils, the better depressive effect of PA.
PA烷基側(cè)鏈碳數(shù)與原油中石蠟碳數(shù)越匹配，降凝劑分子與石蠟的作用越強(qiáng)，降凝效果也越理想。
The alkyl indican can be synthesized by starch with low cost and free pollution which can agree with the de mands of modern production.
以淀粉為主要原料合成烷基糖苷，不僅成本低，而且無污染，符合現(xiàn)代環(huán)境保護(hù)的要求。
Glucosidase was immobilized by microencapsulation using interfacial crosslinking, and employed in the biosynthesis of alkyl glucoside.
用相際交聯(lián)反應(yīng)形成微膠囊的方法固定糖甙酶，并用此固定酶催化合成了烷基葡萄糖甙。
Preferred non-aqueous solvents include alkyl alcohols or ketones having less than about six carbon atoms.
首選非水溶劑包括烷基醇，酮則少于六個(gè)碳原子。
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(jié)果表明，烷基羅丹明B酯的烷基結(jié)構(gòu)對其熒光強(qiáng)度、最大吸收和發(fā)射波長影響不大。
With increasing number of carbon atom of alkyl group in the ionic liquid the extraction efficiency of lithium obviously increased.
鋰的萃取率隨離子液體中烷基碳原子數(shù)的增加而增加。
Several etherification processes and catalysts for the synthesis of tertiary alkyl others from alcohols and iso olefins are reviewed.
對幾種以異構(gòu)烯烴和醇的醚化工藝作了綜述。
separating phosphates sedimentation from sterically hindered phenols alkyl ester compound.
以及將沉淀的磷酸鹽與位阻酚烷基酯化合物分離。
Alkyl-bonded sorbents have been mainly studied for SPE in inorganic analysis; our attention in this paper will be focused on such materials.
烷基吸附劑應(yīng)用于無機(jī)分析中的固相萃取已經(jīng)被主要研究，本文將集中討論這類材料。
Polyether polyols are oligomers alkyl side, the main chain of the alkyl ether bond by the link.
聚醚多元醇是端烴基的齊聚物，主鏈上的烴基由醚鍵連結(jié)。
Thus varying the nature of R from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers.
當(dāng)R按伯、仲、叔烷的順序遞變，則所得羥基醚的產(chǎn)率就隨之而增高。
It was noted that alkyl alcohol and anisole had greater gelation ability ternary alcohol, cyclic alcohol and ketone.
它們對脂肪醇和苯甲醚的凝膠性能顯著優(yōu)于環(huán)狀醇、芳香醇和酮等；
The alkyl-ammonium adsorption amount in the montmorillonite is the determinate factor which influences the modification effect.
烷基銨在蒙脫石層間的吸附量是影響改性效果的決定因素。
The fire retardant can be chosen from alkyl sodium sulfonate, boric acid and the like.
上述阻燃劑可選用烷基磺酸鈉和硼酸等。
This artiCle will recommend the synthetic methods of amino alkyl ferrocene derivatives from different starting materials.
本文介紹從不同起始原料出發(fā)，合成胺烷基二茂鐵衍生物的方法。
High alkyl sulfate, non-ionic surfactant, sodium metasilicate, calcium carbonate, sodium carbonate.
高分子烷基硫酸鹽，非離子表面活性劑，硅酸鈉，碳酸鈣，碳酸鈉。
Preferred cationic sequestrants are quaternary nitrogen compounds including medium or long chain alkyl groups.
首選季銨鹽陽離子螯合劑的氮化合物，包括中型或長鏈烷基。
The method can synthesize paraquat derivatives containing different alkyl substituents by changing the type of ethanol.
該方法由于可以通過改變醇的種類，合成出含不同烷基取代基的百草枯衍生物。
The intermediate for preparing the prasugrel has a structural format as the right, wherein R stands for alkyl or aryl.
本發(fā)明所述的用于制備普拉格雷的中間體結(jié)構(gòu)式如右：其中R代表烷基或芳基。
Moreover, the length of alkyl groups in dialkylurea lead to different morphology of the aggregates.
烷基鏈長度不同，形成的纖維狀聚集體的形態(tài)也不同。
Nowadays the world authorities deal with the monitoring of multiple fluorine alkyl phosphate increased interest in.
如今天下各國當(dāng)局對付監(jiān)測多氟烷基磷酸酯的興趣不斷增加。
Firstly we studied the physical structures of a regioregular poly(thiophene) modified by alkyl groups.
一方面是研究烷基改性的頭-尾連接聚噻吩的物理結(jié)構(gòu)。
The cumulative risk of various alkyl- or aryl-substituted sulfonic acid ester impurities should be taken into account.
需要考慮多種烷基或芳基磺酸酯雜質(zhì)的累積風(fēng)險(xiǎn)。
Influence in alkyl group of alkyl chloroacetate on the catalytic activity was also discussed.
探討了氯乙酸烷基酯中烷基對反應(yīng)活性的影響。
Oxidizing sidechain alkyl of benzene ring is one of the most important reactions in the organic synthesis.
苯環(huán)側(cè)鏈氧化是有機(jī)合成反應(yīng)中的重要反應(yīng)類型之一。
Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced .
介紹了降凝劑中間體丙烯酸高碳醇酯的合成和產(chǎn)品分離提純方法。
We also researched the extraction-oxidation desulfurization with N-alkyl-pyridinium-based ionic liquids.
同時(shí)還研究了吡啶離子液體萃取-氧化汽油脫硫的情況。
SURFACE ACTIVE AGENTS. FATTY ALKYL DIMETHYL AMINE OXIDES. DETERMINATION OF THE AMINE OXIDE CONTENT. (EUROPEAN STANDARD EN 1791).
表面活性劑.脂肪族烷基二甲醇氧化胺.氧化胺含量的測定（歐洲標(biāo)準(zhǔn)EN1791）
Conclusion Introducing the methyl group or a low alkyl group resulting in the high selectivity and increase of its activity.
結(jié)論甲基或低級(jí)烷基的引入導(dǎo)致了高選擇性，使其活性增大。
The application of alkyl dithiophosphate accelerator in NR based tread compound was investigated.
研究烷基二硫代磷酸鹽促進(jìn)劑在NR胎面膠中的應(yīng)用。
Dendrimer-bonded silica gel is effective to separate homologous compounds of alcohol, alkyl-substituted benzene, methacrylic acid esters.
對于醇類，烷基取代苯，丙烯酸酯同系物可以進(jìn)行很好的分離。
