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disaccharides     
相关语句
  双糖
     The percentage of intact acrosome of trehalose group was(64.09±0.81)%,and higher than that of the sucrose,lactose group,and the control(P<0.05),and increased with the increasing level of three disaccharides;
     海藻糖组的有线粒体活性精子百分率和精子顶体完整率分别为(44.56±1.16)%,(64.09±0.81)%,显著高于蔗糖、乳糖和对照组(P<0.05),3种双糖均随添加水平升高精子的顶体完整率逐渐升高;
短句来源
     The major disaccharides of CSA and CSC are glucuronic acid and sulfated N-acetylgalactosamine, which are connected by β1→3 glucosidic bond.
     硫酸软骨素A(CSA)和硫酸软骨素C(CSC)都是由葡萄糖醛酸与硫酸化的N-乙酰氨基半乳糖通过β1→3糖苷键组成的二糖单位为主要重复双糖单位,只是硫酸基的位置不同。
短句来源
     In 50mM phosphate buffer(pH 7.5) containing 40% lactose,reacted at 55℃ with shaking for 24 h,the transgalactosylation product was composed of 25.68% galacto-oligosaccharides(GOS),33.02% disaccharides including lactose and transgalctosylated disaccharides,26.37% glucose and 14.92% galactose.
     转糖基反应产物高压液相色谱分析其组成为低聚半乳糖25.68%,双糖(包括乳糖和转移二糖)33.02%,葡萄糖26.37%和半乳糖14.92%.
短句来源
     There is interaction between disaccharides and phospholipid, which is probably the hydrogen bonding formed by -OH of disaccharides and PO2- of phospholipid.
     双糖与磷脂间存在相互作用,该作用可能是糖的-OH与磷脂PO2-形成的氢键。
     In hapten inhibition of hemagglutination of the many monosaccharides, disaccharides, polysaccharides and glycoproteins that have been tested, only mannan and tyroglobulin which contain an oligomannoside core inhibited the hemagglutination of rabbit erythrocytes by pinellin.
     半抗原抑制试验结果,所测各种单糖、双糖、聚糖和糖蛋白中,只有甘露聚糖和含有寡聚甘露糖苷核心的甲状腺球蛋白有抑制作用,表明半夏蛋白只与甘露聚糖结合,且其分子上与糖互补的位置远远大于一个单糖分子的范围。
短句来源
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  二糖
     F1 was: trisaccharides21.8%,disaccharides36.4%, glucose 41.8%.
     而F1主要由1-3糖组成,其中三糖约占21.8%,二糖约占36.4%,单糖占41.8%。
短句来源
     The product was characterized by HPLCanalysis. The constituter of product was established as follows: disaccharides20.81%,trisaccharides15.50%,tetrsaccharides10.84%, pentsaccharides7.79%, hexsaccharidesand other polysaccharides21.63 %.
     产物中二糖占20.81%,三糖占15.50%,四糖占10.84%,五糖占7.79%,六糖及其以上占21.63%。
短句来源
     The major disaccharides of CSA and CSC are glucuronic acid and sulfated N-acetylgalactosamine, which are connected by β1→3 glucosidic bond.
     硫酸软骨素A(CSA)和硫酸软骨素C(CSC)都是由葡萄糖醛酸与硫酸化的N-乙酰氨基半乳糖通过β1→3糖苷键组成的二糖单位为主要重复双糖单位,只是硫酸基的位置不同。
短句来源
     In 50mM phosphate buffer(pH 7.5) containing 40% lactose,reacted at 55℃ with shaking for 24 h,the transgalactosylation product was composed of 25.68% galacto-oligosaccharides(GOS),33.02% disaccharides including lactose and transgalctosylated disaccharides,26.37% glucose and 14.92% galactose.
     转糖基反应产物高压液相色谱分析其组成为低聚半乳糖25.68%,双糖(包括乳糖和转移二糖)33.02%,葡萄糖26.37%和半乳糖14.92%.
短句来源
     This thesis dealt with the synthesis of 54 compounds via more than 40 steps, including 1 pentasaccharide, 2 trisaccharides, 13 disaccharides and 38 monosaccharides.
     整个论文工作经四十余步反应合成得到54个化合物,其中1个五糖,2个三糖,13个二糖,38个单糖。
短句来源
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  还原性双糖
     The use of PMP method in reducing disaccharides gave good results.
     PMP柱前衍生法用于还原性双糖的衍生,同样能取得较好的结果。
短句来源
     The Maillard reaction of ovalbumin and several disaccharides (maltosa,cellobiose,isomaltose,lactose,melibiose) having glucose at the reducing end was investigated by measuring several properties of the sugar protein Maillard adducts after each sugar was kept with ovalbumin at 50 ℃ and 65% RH for 0~20 d ays.
     在50 ℃,65 % RH 的条件下,清蛋白和还原性双糖发生Maillard 反应。 异麦芽糖、蜜二糖和蛋白质混合后生成较多的蛋白聚合物,溶液呈棕色。
短句来源
  “disaccharides”译为未确定词的双语例句
     The constituter of monose, disaccharides andtrisaccharides was established as follows: glucose49.25% ,unknown1.48%,maltose10.10%, isomaltose21.78%, maltotriose2.15%,panose10.08%, isomaltotriose5.16%。
     合成产物1—3糖组成为葡萄糖49.25%,未知组分1.48%,麦芽糖10.10%,异麦芽糖21.78%,麦芽三糖2.15%潘糖10.08%,异麦芽三糖5.16%。
短句来源
     They could use natural disaccharides as acceptors and the yield of sythesis oligosaccharides could reach 48% and 62% respectively,6~8 fold than the wild-type enzyme(WT),whereas,hydrolysis activities of the mutant enzymes were only 0.08% and 1.3% of that of the WT.
     它们能以天然糖类为糖基受体,低聚糖的合成得率分别为48%和62%,是野生型酶的6~8倍,而底物的水解活力只有野生型酶的0.08%和1.3%。
短句来源
     Methods The Pre S (2) peptides were glycosylated by the covalent binding of carbonyl in open chain form of monosaccharides (or disaccharides, polysaccharides) to α (M1)or ε amino groups (K16) by chemical method, and the residues were situated in or near to the CTL epitope(1~15) of Pre S (2) .
     方法 用化学方法将单、双和聚糖共价连接在Pre S( 2 ) 合成肽上的含α 和ε 氨基的氨基酸残基上 ,即具体连接在肽N端M1的α 氨基和K16的ε 氨基上。 此二氨基酸残基位于或接近Pre S( 2 ) 上公认的一个CTL表位 ,氨基酸残基 1~ 15。
短句来源
     All disaccharides were eluted within 30 min.
     洗脱过程30min之内完成。
短句来源
     All the results suggested that the increase of CK8 in its protein expression level, core-fucosylation and terminal gal β1,4 GlcNAc disaccharides might be related to HCC metastatic ability.
     以上结果提示,2-DE和凝集素印迹技术联合MALDI-TOF-MS/MS分析可用于筛查疾病过程相关的异常糖基化蛋白质分子,CK8蛋白水平、核心岩藻糖基化及β-1,4末端半乳糖基化的增加均与肝癌细胞转移潜能相关.
短句来源
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  disaccharides
Secretion of bacterial enzymes hydrolyzing both complex carbohydrates and disaccharides reduces the metabolic expenditures of the macroorganisms for the synthesis of their own hydrolases.
      
Accumulation of certain mono-and disaccharides in body fluids of ectotherms in autumn and winter suggests their protective role in adaptation to near-zero temperatures.
      
Maltose and other disaccharides (presumably cellobiose) undetectable in summer became detectable in autumn before hypobiosis started.
      
New Efficient Synthesis of β-Glucosylamines of Mono- and Disaccharides with the Use of Ammonium Carbamate
      
Glycoside bond cleavage in the radiolysis of aqueous solutions of methylglycosides and disaccharides
      
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When the adult moths of the armyworm, Leucania separata Walker, were suppliedwith various sugar solutions separately without the chance to choose they showed amarked difference in the amounts of food intake. Presumably this was due to theircapacity in descriminating the solutions. All the sugars used in the experiments showedphagostimulating effect and the degree of effectiveness was different with different su-gars. With the monosaccharides the order of effectiveness was: fructose>glucose>galactose>xylose>mannose>sorbose>rhamnose....

When the adult moths of the armyworm, Leucania separata Walker, were suppliedwith various sugar solutions separately without the chance to choose they showed amarked difference in the amounts of food intake. Presumably this was due to theircapacity in descriminating the solutions. All the sugars used in the experiments showedphagostimulating effect and the degree of effectiveness was different with different su-gars. With the monosaccharides the order of effectiveness was: fructose>glucose>galactose>xylose>mannose>sorbose>rhamnose. With the disaccharides the orderfor the female moths was: maltose>sucrose>trehalose>cellobiose>lactose, andfor the male moths was: maltose>trehalose>sucrose>cellobiose>lactose. With thetrisaccharides the order was: raffinose>melizitose. The taste thresholds for glucoseand sucrose determined by measuring the "crop loads" were ca. 2×10~(-2) M and2×10~(-4) M respectively. The morphology of the alimentary canal is described. After a meal of sugar solu-tion the contents of the crop, the midgut and the hindgut were taken out for chromato-graphic analysis. According to the capacity to hydrolyze the various sugars that themoths had ingested it was ascertained that their alimentary canals contained α-glucosidasc,α-galactosidase, β-fructosidase and β-glucosidase, but no β-galactosidase and amylase. It was observed that the processes of digestion and absorption of sugar solutions werecarried out with a considerable speed and the food usually passed through the digestivetract in a relative short time. At room temperature no sugar could be detected in thedigestive tract of a moth which had engorged with sucrose solution (5%) five hoursbefore; and a moth ingested a 5% solution of cellobiose would have cellobiose in thehindgut after 15 minutes. It was observed that the crop was the essential site of food storage and digestionand the digestive enzymes contained therein seemed to be secreted by the salivary glandsor regurgitated from the midgut through the regulation of the proventriculus. The pro-ventriculus appeared also to have the function to control the rate of flow of the contentsof the crop into the midgut which was the essential site of food absorption. The sugars absorbed by the alimentary canal were transformed by large into thereserve fat. It was determined that the moths fed on water for three days after emer-gence had a fat content of about 13%, but those fed on a 20% solution of sucrose hada fat content reaching 64% (in dry weights). Rearing experiments with two series ofsugar solutions were carried out to test the influence of concentrations on the longevityof the moths and the numbers of eggs laid. It was seen that the numbers of eggs laidwere affected by the amount of food ingested, the accumulative quantities of sugar solu-tions (0.2 M) taken by the moth in its life span fell into the order: fructose>glucose>maltose>sucrose>galactose>mannose>lactose, and the numbers of eggs laidseemed to follow this order accordingly. The accumulative quantities of food intake withthe 0.4 M sugar solutions and the numbers of eggs laid did not increase in a correlatedmanner as compared with those with the 0.2 M sugar solutions. Perhaps the nutritionalbackground in the larval stage may also affect the numbers of eggs laid.

本工作中用一系列同浓度的不同糖液及不同浓度的同种糖液喂养羽化后一天的粘虫蛾,见到它们对于糖的种类和浓度均有明显的辨识能力。对于糖液的取食量均比对清水的大,表明糖类对成虫均有诱食的味觉刺激:而其效应的大小,在单糖中的顺序为:果糖>(或≥)葡萄糖>半乳糖≥木糖>(或≥)甘露糖≥山梨糖>鼠李糖;在二糖中为:麦芽糖>蔗糖≥海藻糖>纤维二糖>乳糖;在三糖中为:棉籽糖>松三糖。对蔗糖溶液的味觉阈值为2×10~(-4)M左右,对葡萄糖的可能为2×10~(-2)M左右。根据成虫取食糖液后以肠道内含物进行纸上层析的结果,见到消化糖类的酶类有α葡糖苷酶、β葡糖苷酶、β果糖苷酶、α半乳糖苷酶,而无β半乳糖苷酶和淀粉酶。消化道对糖液的消化和吸收以及糖液通过消化道均相当迅速。嗉囊是糖类贮存和水解的主要场所,其中的消化酶可能是由涎腺分泌或从中肠分泌后通过前胃而分批向前流入的。中肠是吸收消化产物的主要部分,所吸收的糖类在体内大部分转变成脂肪贮存。成虫羽化后以清水饲养到第3天时脂肪含量占干重13%左右,而以20%蔗糖溶液饲养的却高达64%左右。用0.2M和0.4M的糖液分别连续饲养配对的雌雄成虫直到雌蛾死亡,见到每对蛾对果糖、葡萄糖、麦芽糖...

本工作中用一系列同浓度的不同糖液及不同浓度的同种糖液喂养羽化后一天的粘虫蛾,见到它们对于糖的种类和浓度均有明显的辨识能力。对于糖液的取食量均比对清水的大,表明糖类对成虫均有诱食的味觉刺激:而其效应的大小,在单糖中的顺序为:果糖>(或≥)葡萄糖>半乳糖≥木糖>(或≥)甘露糖≥山梨糖>鼠李糖;在二糖中为:麦芽糖>蔗糖≥海藻糖>纤维二糖>乳糖;在三糖中为:棉籽糖>松三糖。对蔗糖溶液的味觉阈值为2×10~(-4)M左右,对葡萄糖的可能为2×10~(-2)M左右。根据成虫取食糖液后以肠道内含物进行纸上层析的结果,见到消化糖类的酶类有α葡糖苷酶、β葡糖苷酶、β果糖苷酶、α半乳糖苷酶,而无β半乳糖苷酶和淀粉酶。消化道对糖液的消化和吸收以及糖液通过消化道均相当迅速。嗉囊是糖类贮存和水解的主要场所,其中的消化酶可能是由涎腺分泌或从中肠分泌后通过前胃而分批向前流入的。中肠是吸收消化产物的主要部分,所吸收的糖类在体内大部分转变成脂肪贮存。成虫羽化后以清水饲养到第3天时脂肪含量占干重13%左右,而以20%蔗糖溶液饲养的却高达64%左右。用0.2M和0.4M的糖液分别连续饲养配对的雌雄成虫直到雌蛾死亡,见到每对蛾对果糖、葡萄糖、麦芽糖和蔗糖的取食量较大,半乳糖次之,甘露糖与乳糖较小;取食糖液的体?

The results of our preliminary observations using the manometric method are summarized as follows:(1) The endogenous respiration of erythrocytes was determined in 15 young male and 15 young female subjects. Their oxygen consumption rates within the first hour were respectively 0.011±0.001 and 0.021±0.002/μl/hr/mg dry weight. The data for the female group were significantly higher than those for the male group. However, the oxygen consumption rate for the second hour showed no significant difference between the...

The results of our preliminary observations using the manometric method are summarized as follows:(1) The endogenous respiration of erythrocytes was determined in 15 young male and 15 young female subjects. Their oxygen consumption rates within the first hour were respectively 0.011±0.001 and 0.021±0.002/μl/hr/mg dry weight. The data for the female group were significantly higher than those for the male group. However, the oxygen consumption rate for the second hour showed no significant difference between the two groups. The addition of glucose and traces of methylene blue increased the rate of endogenous oxygen consumption in erythrocytes nearly sevenfold.(2) The utilization of 9 carbohydrates (4 hexoses, 3 pentoses and 2 disaccharides) by the erythrocyte suspensions was compared in 86 young adults. The approximate order of oxygen consumption rate in erythrocytes was hexoses>pentoses>disaccharides. Glucose, galactose and fructose were utilized quite well, their effects on the rate of oxygen consumption of erythrocytes differed very significantly from those of the pentose and disaccharide groups [glucose (galactose)>fructose>ribose (mannose)]. The uptake rates of ribose and mannose by the erythrocytes were somewhat lower, the rate of oxygen consumption of these 2 sugars showed no significant difference in comparison with xylose, arabinose, sucrose and lactose.(3) The influence of some enzyme inhibitors upon glycolysis and oxygen consumption of erythrocyte suspensions in the presence of 3 hexoses and ribose was investigated in healthy Chinese adults. The inhibition of lactic acid production and oxygen consumption was the strongest in the case of iodoacetic acid (IAA), with sodium fluoride (NaF) ranking next, and arsenite third. Arsenate and p-chloromercuribenzoate (PCMB) respectively promoted erythrocyte glycolysis prominently and moderately on the one hand; but inhibited the rate of oxygen consumption in erythrocytes slightly and moderately on the other hand.(4) In connection with the results of our experiments, the possible mechanism of methylene blue in promoting oxygen consumption and the effect of some enzyme inhibitors on glycolysis and oxygen consumption in erythrocytes have been briefly discussed.

本文用测压法初步观测了我国正常成人红细胞对某些糖类的利用情况: 1.测定了男女青年各15例的红细胞内源性呼吸,第1小时的氧耗率分别为0.011±0.001和0.021±0.002微升/小时/毫克干重,女性数值显著较男性为高;第2小时的氧耗率在男女之间无明显差异。加入葡萄糖和少量甲烯蓝,可使红细胞的内源性氧耗率提高约7倍。2.比较了86名青年的红细胞悬液对九种糖(己糖四种、戊糖三种和双糖二种)的利用。它们增加红细胞氧耗率的强度次序大致为:己糖>戊糖>双糖。葡萄糖、半乳糖和果糖皆能很好被利用,其对氧耗率的影响同戊糖、双糖组相差非常显著[葡(半乳)>果>核(甘露糖)]。而甘露糖和核糖的利用较低,两者的氧耗率同木糖、阿拉伯糖、蔗糖与乳糖无显著差异。3.在几种酶抑制剂和不同糖类存在下,比较了成人红细胞的糖酵解和氧耗率。其中以IAA抑制红细胞的乳酸生成和氧耗的效应最强,NaF次之,亚砷酸盐最弱。砷酸盐和PCMB一方面能明显或中等度促进红细胞的糖酵解;另一方面又能轻度或中等度抑制其氧耗率。4.对甲烯蓝提高红细胞氧耗率以及几种酶抑制剂影响红细胞的糖酵解和氧耗的可能机制,也结合本实验结果进行了讨论。

The high performance liquid ohromatographio behaviour of some cemmon neutral sugars(including aldoses, ketoses, deoxysugars), aminosugars and disaccharides on an amino bonded phase with acetonitrile-H_2O and acetonitrile-H_2o-methanol systems have been studied. The retention time (t_R) and oapacity faotor K' values of the sugars were determined and the possibility of their separations are listed.

本文报道常见的中性糖(包括醛糖、酮糖和脱氧糖)、氨基糖和双糖在氨基结合键固定相色谱柱上,以不同比例的乙腈-水和乙腈-水-甲醇体系作流动相时的高效液相色谱行为,测定了它们的保留时间t_R和容量因子K′以及它们的定量方法,并对这些结果进行了讨论。

 
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