aldehyde是什么意思   aldehyde怎么读

英式:['ældɪhaɪd]    美式:['ældɪhaɪd]

aldehyde单词基本解析:

n.醛,乙醛
n. 醛, 乙醛
n.醛,乙醛;

aldehyde变化用词:



aldehyde英英释义:

Noun

1. any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

名词 aldehyde:

any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

aldehyde[ 'ældihaid ]n.any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

aldehyde中文词源:

aldehyde用法和例句:

And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.

并用气相色谱法对制剂中肉桂醛和薄荷醇进行定量测定.


Objective To set up a method for determining the protocatechuic aldehyde in Qingshenjianfei tablets.

目的建立轻身减肥片中原儿茶醛的含量测定方法.


Subject : To determine aldehyde chemical compound in alcohol quickly.

目的: 快速检测酒中醛类化合物.方法:毛细管气相色谱法.


Iong open time, high bonding strength. Dissociative form aldehyde content can meet national standard.

开放时间长, 强度好. 游离甲醛含量通过国家标准.


This reaction involves disproportionation of the aldehyde.

这个反应就是醛的歧化作用.

辞典例句

The process includes hydroxylation, self packing of APTES and terephthalic aldehyde packing.

其置备方法主要包括羟基化 、 APTES的自组装和对苯二甲醛的组装三步.


The molar absorbance at 350 nm increases if the aldehyde contains a double bond.

如果醛含一个双键,则摩尔光吸收在350nm处增加.


My company major produces phenolic aldehyde to accord with wind canal, provide construction help!

我企业职业岀产酚醛切合风管, 并供应开工支持!


Methanedicarboxylic aldehyde ( MDA ), Alanine aminotransferase ( ALT ) and glutathione peroxidase ( GSH | Px ) were determined in mice serum after the animals were sacrificed.

结束时处死动物,取血清测定丙二醛 ( MDA ) 、 丙氨酸氨基转移酶 ( ALT ) 和谷胱甘肽过氧化物酶 ( GSH-Px ) .


Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio.

金属盐类和羧基, 酮, 醛, 乙酰乙酸, 配合膦酸, 亚胺, 氨基酸和硫代.


Campholenic aldehyde is an intermediate for preparing a series of chemicals with sandalwood like odor.

龙脑烯醛是合成檀香系列香料的重要中间体.


Objective : To establish a method for determination of cinnamic aldehyde in Xiaojianzhong capsules.

目的: 建立气相色谱法测定小建中胶囊中桂皮醛的含量.


Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.

结论: 苹果籽含有有机酸 、 烯烃 、 烷烃 、 醛 、 酮 、 酚类挥发性成分.


As the caprylic aldehyde content increased strain at break and tensile strength were decreased.

弹性模量、拉伸强度、断裂伸长率和交联密度均随模压温度的升高而增大.


Objective To establish a HPLC method for the determination of protocatechuic aldehyde in Gushangkang granule.

目的建立测定骨伤康颗粒中原儿茶醛含量的高效液相色谱法.


Objective : To study the permeability cinnamic aldehyde and hydroxycitronellal through skins of mice in vitro.

目的]研究桂醛、羟基香茅醛对小鼠离体皮肤透皮吸收率.


Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.

从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸甲酯.


It is classified as an aldose , a designation for sugars containing an aldehyde group.

它被划分为醛糖,含醛基的糖.


The special interest devoted to acrolein arises from the fact thatthe shortest unsaturated aliphatic aldehyde.

全心致力于丙烯醛的研究,是从最短的不饱和醛被证实开始的.


A colorless, flammable , poisonous liquid aldehyde an acrid odor and vapors irritating to the eyes.

一种无色 、 气味刺激的不饱和液态醛,由丙烯制成.


Cankered material can produce effluvial carcinogen aldehyde . 2.

腐烂的物质可以产生恶臭的致癌物质乙醛.


aldehyde


Benzyl aldehyde produced by reaction is further deoxygenated.This is probably a very important deoxygenation process in coal liquefaction.

(3) 二苄醚的热解可用分子内氢转移模型得到较好解释, 热解产物苯甲醛进一步脱氧生成甲苯, 这可能是煤液化中除氧的一条很重要的途径。


The surface amino group was transferred to the aldehyde group after it reacted with ninhydrin.The surface aldehyde group was confirmed by the mirror reaction.

4、表面的伯胺基在与茚三酮反应后转化为醛基,通过银镜反应证明了醛基的存在。


ASE can extract the substances such as acids. terpenes, aldehyde ketones and the big polar alcohols with low boiling point as well as the high boiling point.

ASE除了萃取低沸点的萜类外,还有高沸点酸类、萜类、醛酮类和大极性醇类。


Aldehyde reductase (ALR, E.C.I. 1.1.2) from Sporobolomyces salmonicolor can reduce ethyl 4-chloro-3-oxobutanoate (COBE) to (R)-CHBE.

coli M15(pQE30-alr0307) 。 用重组菌作为催化剂,解决了用常规酵母细胞转化COBE,产物是部分外消旋的R,S-(+)-4-氯-3羟基丁酸乙酯,e.


The aldehyde reductase(ALR) and glucose dehydrogenase(GDH) was purified from recombinant M15 (pQE30-ALR) and M15 (pQE30-gdh223) cells, respectively, and the kinetics of enzyme catalyzed reaction was studied.

coli M15(pQE30-gdh223)和M15(pQE30-gdh151)。


When concentration of CO2 is defined, contents of alcohol and aldehyde will increase with concentration of O2 decreasing.

O_2浓度一定,升高CO_2浓度会促进二者的升高;


The catalytic performance of VAH catalysts for gas phase hydrogenating of aldehyde excel those of imported catalysts G-66B-1, it can compete to the catalyst OXO which is a new type of imported catalyst.

VAH型气相醛加氢催化剂的性能优于生产装置使用的进口催化剂G-66B-1,达到进口新型OXO催化剂的水平;


Crotonic acid can be made by crotonaldehyde oxidized,and crotonaldehyde widly exists asthe accessory substance in the chemical enterprises that produce and use aldehyde.

丁烯酸可由丁烯醛氧化制得,而丁烯醛在生产和使用乙醛的化工企业作为副产物广泛存在,是一种需治理的废弃物,我国具有生产丁烯酸的原料条件。


A colorless, mobile, oily aldehyde, CCl3CHO, a penetrating lung irritant , used to manufacture DDT and chloral hydrate.

丁赛路苏(碱性丁二醇、二醇单丁醚)吞食有毒,对肺组织有刺激作用。


Warm liquor or yellow wine may be aroma for drinking and some bad substances like aldehyde with low boiling point could be volatilized so as to reduce injurious ingredients.

不管是白酒、黄酒,加温后饮用:一是芳香适口;二是可挥发掉一些沸点低的醛类有害物质,减少有害成分。


At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时,醛、酮、酯类羰基、芳香酮、醛类羰基等类含氧基团或者从无到有,或者官能团数量不断增加。


A colorless, flammable, poisonous liquid aldehyde, CH2CHCHO, having an acrid odor and vapors irritating to the eyes.

丙烯醛一种无色、易燃、有毒的液体乙醛,CH2CHCHO,含有刺激眼睛的辛辣气体


The quantity of acetic aldehyde has decreased by 75%,acetyl has decreased by 25%, the attenuation has rised by 16%. After measurating the flavor material of improved strain through the gas chromatograph.

乙醛含量下降了75%; 改良菌株的双乙酰含量比原始菌株的低25%左右,发酵度上升16%;


Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的过程中,破碎细胞是其中的关键步骤之一。


Aldehyde flower is sweet reach perfume of fragrant air of pure and fresh flower to be able to let heartfelt emotion of your confide heart, salute vernal advent with brand-new mood.

乙醛花香及清新花香调香水能让你吐露内心衷曲,以崭新的心情迎接春天的到来。


Aldehyde, Patchouli, Ambergris, Rose Abs, Musk, Cedar, Lily of the vally, Vetyver.

乙醛,广藿香,龙涎香,玫瑰精粹,麝香,雪松,铃兰,岩兰草。精液的香调--


Alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) play an important role in the in vivo alcohol metabolism together.

人体中的乙醇脱氢酶(alcohol dehydrogenase,ADH)及乙醛脱氢酶(aldehyde dehydrogenase,ALDH)在乙醇代谢过程中发挥着重要的作用。


Sjogren-Larsson syndrome (or Rud's syndrome) is a form of ichthyosis associated with a deficiency of the enzyme "fatty aldehyde dehydrogenase".

什么是'干燥,拉尔森综合征-罕见的遗传疾病与皮肤增厚'?


The properties, uses, and advance in producing process of acrolein were introduced, of which the emphasis was put on the review of advance in acrylic aldehyde producing process by propylene oxidation reaction in tubular solid bed reactor.

介绍了丙烯醛的性质、用途及生产技术进展,重点回顾了通过管式固定床反应器的丙烯氧化反应工艺生产丙烯醛的技术进展。


This exposes the aldehyde groups of deoxyribose.The tissue is then soaked in Schiff's reagent: the development of a magenta color indicates the location of DNA.

从而暴露出脱氧核糖的醛基,然后将其放入Schiff’s试剂中,紫红色部分显示DNA的存在部位。


A conclusion was drawn from the test dates that it was desirable to applicate aldehyde amine type accelerator H to the curing system.

从试验数据得出结论,在硫化体系中添加醛胺类促进剂H是可取途径。


Butyrolactone series products are synthesized via aldol condensation, catalytic hydrogenation and oxidation reaction based on cyclopentanone and aliphatic aldehyde.

以环戊酮和脂肪醛系列为原料,经过羟醛缩合、催化加氢、氧化反应,三步制得丁位内酯系列产品。


The enzymes involved in alcohol metabolism include mainly alcohol dehydrogenase(ADH), aldehyde dehydrogenase(ALDH) and cytochrome P450 2E1(CYP2E1), which all appear to be polymorphic.

体内参与乙醇代谢的酶主要有乙醇脱氢酶(ADH)、乙醛脱氢酶(ALDH)和细胞色素P450-2E1(CYP2E1),它们均存在基因多态现象。


The carbonyl groups ofketone、aldehyde and ester were generated during photooxidation. 3.

光氧化反应使得试样中有酮、醛、酯等多种类型的羰基生成。


The process includes hydroxylation, self packing of APTES and terephthalic aldehyde packing.

其置备方法主要包括羟基化、APTES的自组装和对苯二甲醛的组装三步。


An industrial process of acetone distillation has been analyzed and a new process withhigher efficiency of removing aldehyde has been developed.

分析了燕化公司化工二厂丙酮精制装置的工艺操作状况,提出提高该系统脱醛率的新工艺流程。


In summary, we PEGylated the N-terminus of rhG-CSF in a site-specific manner with mPEG-PAL through a reactive terminal aldehyde group.

创新训练计划,增强了我们的团队合作意识。无论是在实验过程中,还是在项目申请和文献查阅上,团队合作精神都得到了很好的锻炼;


Dinitrophenylhydrazine(DNPH) and aldehyde or ketone can react and form 2,4-dinitrophenylhydrazone that can be injected directly on the gas chromatography(GC).

利用2,4二硝基苯肼(DNPH)与醛、酮类化合物反应生成稳定的衍生物2,4二硝基苯腙,对所生成的DNPH衍生物溶液直接进行气相色谱分析;


The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.

利用两步氧化法,首次将玉米淀粉改性为同时含羧基和醛基的氧化淀粉,为制革工业提供了一种新型的清洁化鞣剂。


Betaine aldehyde dehydrogenase (BADH) cDNA cloned from Atriplex hortensis L. was transferred into tetraploid clone of black locust (Robinia pseudoacacia L.) by agrobacterium (Agrobacterium tumefaciens Conn) mediated transformation.

利用农杆菌(Agrobacterium tumefaciens Conn)介导法,将山菠菜甜菜碱醛脱氢酶(BADH)基因转入四倍体刺槐(Robinia pseudoacacia L.)


It has been completed successfully to synthesize benzaldehyde via ozonization and reduction reaction, which makes use of large quantity cinnamic aldehyde contained in natural cinnamon oils.

利用天然肉桂油中富含的肉桂醛,经过臭氧化反应和还原反应制得了苯甲醛。


And cinnamic aldehyde and cinnamic acid were extracted from cinnamon by MAE using water and ethanol as solvents and were analyzed by HPLC method.

利用聚焦式微波辅助萃取系统,结合HPLC分析,对肉桂中的肉桂醛和肉桂酸进行微波萃取分离和分析,并比较了水及乙醇等溶剂作为萃取溶剂的效果。


In the sidestream smoke of cigarette, there are many substances which are harmful to people's health, such as nicotine, aldehyde.

卷烟燃烧时释放出大量侧流烟气,其中有很多危害人们身体健康的物质,如烟碱、醛类物质等。


For the first two fast steps of p - xylene and toluic aldehyde oxidation, the rates decreased with increase of water content.

反应后期的慢反应步骤则随含水量的增加先加快后减缓,出现一个最大值,此时总氧化时间最短。


Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel.

反应是在装有分馏柱的反应器中进行的,分馏柱能让醛通过但使醇回流到反应器中。


It can be widely used to get rid of toluene,dimethylbenzene,and hydroxybenzene,and ester,and hydroxyketone,and aldehyde as well as bad smell and other gases containing small heavy metal.

可广泛用于处理含有甲苯、二甲苯、苯等苯类、酚类、酯类、醇类、醛类等达式有机气体及恶臭气体和含有微量重金属的低浓度、大风量的各类气体。


The aldehyde acetal(6) and acid(7) are prepared by the acetalation of 1,2 ethandiol and oxidation.

后者经与乙二醇缩醛化及氧化分别制得该醛的缩醛(6)及羧酸(7)。


Aldehyde containing functional groups can react with allyl iodine and tin directly, water is of no advantage to the reaction.

含活性基团的醛可与烯丙基碘和锡粉直接进行亲核加成反应,得到高烯丙基型的醇。水的存在不利于此反应的进行。


In all cases, a clear solution of dilithium tert -butyl acetoacetate in THF was obtained, which led after treatment with aldehyde 4 in most cases to good to excellent yield of 3 .

在任何情况下,明确解决锂叔丁醋酸在获得四氢呋喃、导致治疗后,在大多数情况醛4优良率3.


Chitosan react with vanillin aldehyde by Schiff's base reaction in water, A polymer product-VCG can be prepared.

在水溶液中,壳聚糖与香草醛发生希夫碱反应,生成改性壳聚糖VCG。


The results from SEM, XRD, and UV absorbing spectra show that the reduction happens between the aldehyde and the ammonia-silver solution in the straight plating, but Ag rep...

在直接镀银工艺中,发生地是醛基与银氨液的还原反应,而在预先镀镍再镀银的工艺中,银先与镍进行置换反应,然后再与醛基发生氧化还原反应。


In higher plants, betaine is synthesized in two-steps: the fist one is catalyzed by choline monooxygenase (CMO) and the second one is catalyzed by betaine aldehyde dehydrogenase(BADH).

在高等植物中,甜菜碱由胆碱经两个酶催化得到,催化第一步反应的酶是胆碱单加氧酶(CMO),催化第二步反应的酶是甜菜碱醛脱氢酶(BADH)。


Fumo plastic, white latex, pressure, urine aldehyde plastic, ethanol diluted materials, construction plastic, strong plastic, Shuangzufen plastic, furan resins such as plastic manufacturing.

复膜胶、白乳胶、压敏胶、尿醛胶、乙醇稀料、建筑胶、大力胶、双组份胶、呋喃树脂胶等类制造。


With large quantities of the vinyl aldehyde (+)- 18 in hand, the stage was now set for the tandem introduction of the remaining two stereocenters [C(3) and C(12)] employing the Koga r eaction.

大量的乙烯醛(+)-18手舞台正推出一套为串联其余两个立体[三(3)、三(12)]聘用四郎住宅丙烷.


The molar absorbance at 350 nm increases if the aldehyde contains a double bond.

如果醛含一个双键,则摩尔光吸收在350nm处增加。


The categorical names are often combined, with a six-carbon-atom aldehyde sugar being termed an aldohexose.

它们的命名经常被结合起来,一个六个碳原子的醛糖被称为已醛糖。


It is classified as an aldose, a designation for sugars containing an aldehyde group.

它被划分为醛糖,含醛基的糖。


The stench of indoor air material mainly ammonia, methyl Liu Chun, hydrogen sulphide, methyl Erliu three methyl amine, aldehyde, styrene.

室内空气中的恶臭物质主要有氨、甲基硫醇、硫化氢、甲基二硫三甲基胺、乙醛、苯乙烯等。


The determination results of Sensitized emulsion expressed that character of waterproof and wearproof is satisfied with modified PVA and butyl aldehyde.

对感光胶性能测试的结果表明,用丁醛对聚乙烯醇改性,获得的感光胶耐水耐磨性能良好。


The condensation compound was synthesized by 2 butene 1,4 diol and iso butyric aldehyde,and was characterized by elemental analysis and IR.

将异丁醛与1,4丁烯二醇缩合得到产物二氧七环,对产物进行了元素分析和IR分析。


The corn starch is oxidized into oxidized starch when KMnO4 is catalyst, and produce cross-linking with ethylene aldehyde and then make into adhere agent.

将玉米淀粉用高锰酸钾氧化制得氧化淀粉,用乙二醛进行交联制得粘合剂。


Starking fruit in SCA condition had 13 kind volatatite aromo substances,including ketone,aldehyde,alcohol and easter.

小袋气调贮藏时,测出了红星苹果13种4大类芳香物质,其中醇类和酯类物质有明显高峰期,醛类贮藏期持续上升,酮类则无显著差异。


Micronomicin with weak fluorescence was oxidized to create active aldehyde groups with sodium metaperiodate,and further reacted with acetylacetone to produce a derivative with strong fluorescence.

小诺霉素具有微弱荧光,被高碘酸钠在沸水中氧化后水解形成醛基,可与乙酰丙酮及氨基在一定条件下生成一种具有强荧光的衍生物。


The reaction conditions are optimized for very high conversion of octene, which means the researchers obtain nearly pure aldehyde and very little unreacted starting material.

尽管二氧化碳变汽油的工作引起了全世界的轰动,但应看到“绿色自由”目前还处于概念阶段,我们不应忽略其他二氧化碳的固定和利用方面的工作。


The natural aldehyde compounds are present as phenylpropanoid,terpenoid,saponin,alkaloid,coumarin,anthraquinone and so on.

带有醛基的天然化合物,具有苯丙素、萜类、皂苷类、生物碱、香豆素和蒽醌等多个存在的类型。


Besides, the development trend on carbonylation of olefin to low-carbon aldehyde was pointed out.

并比较丙醛生产工艺与丁醛的相似之处,从而指出丙醛工艺的发展趋势。


And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.

并用气相色谱法对制剂中肉桂醛和薄荷醇进行定量测定。


The DNA damage of spleen lymphocytes induced by three typical aldehyde pollutants was studied in vitro with microgel single cell electrophoresis assay (comet assay).

应用单细胞凝胶电泳技术(彗星实验)检测了3种典型醛类污染物对小鼠脾淋巴细胞DNA损伤情况。


Iong open time, high bonding strength。 Dissociative form aldehyde content can meet national standard.

开放时间长,强度好。游离甲醛含量通过国家标准。


When adding dianion 5 to aldehyde 4 and using the molar ratios of entry 1, the yield of aldol 3 dropped from 98% to 86%, and 7% of alcohol 7 was formed.

当加入醛酸根5比4,用摩尔进入一日产量3醛从98%下降到86%,而77%的酒精组成.


When chroma of serum Potassium ion is elevatory, can promote adrenal coriaceous secrete aldehyde solid ketone, make potassium is excreted thereby increase, make potassium ion chroma returns to normal.

当血清钾离子浓度升高时,可促进肾上腺皮质分泌醛固酮,从而使钾排泄增加,使钾离子浓度恢复正常。


A water - soluble oily liquid,OHC(CH2)3CHO,containing two aldehyde groups,used in tanning leather and as a fixative for biological tissues.

戊二醛一种溶于水的油质液体,OHC(CH2)3CHO,含有两个醛基,用于制革和生物组织的固定剂


Glutaraldehyde is an important saturated aliphatic binary aldehyde which is widely used in medical industry, leather production, oil field, and so on.

戊二醛是重要的饱和脂肪族二元醛,广泛应用于医用、制革、油田等行业。


The experimental result shows that in case of careful selection of proper conditions, the content of cinnamic aldehyde in cinnamon oil is more than 80%.

所拟方法向桂油的收率,肉桂醛的含量,成品质量均明显高于传统提取方法。


Developing 2 - ethylcaproic acid from 2 - ethylhexenoic aldehyde will have good enco-nomic benefit and development prospect.

指出开发醛法工艺路线具有良好的发展前景和经济效益。


Also used in adhesive to strengthenthe adhesion.The suitable resin include epoxy, phenol aldehyde, melamine, polysulfide, polyamino ester, polystyrene, etc.

提高无机填料、底材和树脂的粘合力,从而提高复合材料的机械强度、电气性能,并且在湿态下有较高的保持率。


Aldehyde dehydrogenase (ALDH) is a kind of endoenzyme and cell-breaking is one of the key procedures in the extraction of ALDH from S. cerevisiae.

摘要乙醛脱氮酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的过程中,破碎细胞是其中的关键步骤之一。


Dimethyl phosphonate reacted with acrylonitrile under strong base (sodium alcoholate) or BPO catalysis, and then reacted with malonic aldehyde to give a N-P type fire retardant.

摘要以亚磷酸二甲酯、丙烯酰胺在强碱性(醇钠)或BPO作催化剂条件下反应,再与丙二醛反应得到氮-磷(N-P)型阻燃剂。


To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it.

摘要利用反相高效液相层析法测定丹参素和原儿茶醛的含量以控制通脉粉针剂质量。


This paper summarized the present situation of the environmental protection PF resin adhesive with low cost, low aldehyde and phenol, fast curing.

摘要对木材工业中所使用的低成本、低醛、低酚、固化速率快的环保型酚醛树脂胶粘剂的研究现状做了综述。


Catalyzed chemiluminescence sensors based on nanomaterials including ethanol sensors, amine sensors, hydrogen sulfide and aldehyde sensors, saccharide sensors, were reviewed with 11 references in this paper.

摘要文章综述了纳米催化化学发光传感器的研究,主要包括乙醇传感器、胺传感器、硫化氢和醛类传感器以及糖类传感器,引用文献11篇。


Peach aldehyde is a kind of lactone aroma chemicals widely used as fragrance and flavor.

摘要桃醛是一种重要的内酯香料,可广泛应用于日化香精和食用香精。


Karl-Fischer coulometry is one of the most commonly used methods for moisture content determination,but the present reagents are unsatisfactory for the aldehyde samples.

改进了现有的卡氏试剂,采用混合溶剂和咪唑,制成了适于醛类样品的卡尔.费休试剂。


Methods Twenty eight EBC patients were studied with immunohistochemistry for CK,CEA and EMA and special stains alcian blue (pH1.0 &pH2.5) and aldehyde fuchsin alcian blue.

方法28例肝外胆管癌进行了AB(pH1.0和pH2.5)、AB/AF粘液组化染色和CK、CEA和EMA免疫组化检测。


Methods The extraction process was studied by orthogonal design with the content of Salvianolic Acid B,Danshensu and Protocatchuci aldehyde determined by RP-HPLC as index.

方法采用正交试验法,以丹酚酸B、丹参素、原儿茶醛的含量为指标优选最佳提取工艺。


Methods A RP-HPLC method was carried out to determine the content of cinnamyl aldehyde in cortex cinnamomi.

方法高效液相色谱法测定肉桂中桂皮醛的含量。


The company is specialized in colored steel non-combustible sandwich board, phenolic aldehyde colored steel sandwich board and series products of colored steel structure.

昌佳公司专营彩钢不燃型夹芯板,酚醛彩钢夹芯板、钢结构系列产品。


The latest study found that this is because these people lack a body could help more alcohol metabolism aldehyde dehydrogenase.

最新的研究发现,这是因为这些人身体内部更缺少一种可以帮助代谢酒精的乙醛脱氢酶。


The ending -ose signifies a sugar; ald- signifies an aldehyde group.

末尾有一ose表示糖;ald-表示醛类。


A new method for determining second virial coefficients of ketone, aldehyde, aether and nitrogenous compounds was developed based on the corresponding-states principle.

本文提出了一套新的用来确定酮、醛、醚和含氮化合物第二维里系数的新方法。

用作名词(n.)

This reaction involves disproportionation of the aldehyde.
这个反应就是醛的歧化作用。

In contrast, switching the acylsilane functionality to an aldehyde, the radical cyclization failed.
至于将矽基酮的部分换成醛基时,自由基反应则无法进行。