查询词典 starch layer

The quantities of starch grains in the two"cells"in micropyle part of embryosac gradually decrease and become unclear.With the further development of embryosac the starch grains in the central cell and antipodal cell disappear in succession,however,the egg cell does not.

在准极核移向胚囊中部前后，不同的功能性细胞有不同的表现，珠孔端的两个&细胞&淀粉粒数量逐渐减少并变得不明显，随着胚囊的进一步发育，其中中央细胞和反足细胞内的淀粉粒相继消失，但卵细胞内却一直保存着。

Batata carboxymethyl starch dregs is synthesized by the reaction of batata starch dregs (C 6H 9O 4OH) and chloroacetic acid in solvent of methanol under alkaline condition.

以甲醇为溶剂，红薯淀粉渣(C6 H9O4OH)和氯乙酸为原料，在碱性条件下合成红薯羧甲基淀粉渣。

The results indicated that mechanical activation considerably enhanced carboxy methylation reaction of cassava starch, the content of DS in cassava starch increased with the activation time.

实验结果表明，机械活化对木薯淀粉的发甲基化反应有显著的强化作用：木薯淀粉的DS随活化时间的延长而增大。

The results showed that compared with the colocasia esculenta schott starch, the starch phosphate ester had properties of easier gelatinization, higher clarity, better retrogradation , freeze-thaw stability and anti-mycotic characteristics improved, and pa

结果表明，与原淀粉相比，香芋淀粉磷酸酯更容易糊化、透明度高、沉降稳定性好、冻融稳定性和抗霉菌能力有所改善、糊粘度减小。

There were 2 peaks of starch accumulation in the process of somatic embryogenesis,the first time was at the stage of embryogenic callus,the second time was at the stage of globular embryoids;and a small raise appeared at the stage of torpedo-shaped embryoids,and the content of starch was slightly higher than those of heart-shaped embryoids and cotyledonary embryoids.With the development of embryos,the tendency of the changes of the content of DNA,RNA and the total nucleic acids was approximately similar,and the peak values were all at the stage of cotyledonary embryoids,and the change of the content of RNA was more remarkable than those of DNA and the total nucleic acids.The tendency of change of the content of proteins almost took on the S-shaped curve.

结果表明：龙眼胚性愈伤组织体胚发生过程中淀粉有2个累积峰值，第1次出现在胚性愈伤组织阶段，第2次出现在球形胚阶段，在鱼雷形胚阶段又有一个小回升，这时淀粉积累较心形胚和子叶形胚阶段高一些；随着胚胎的发育，DNA、RNA、总核酸含量的变化趋势大致相同，最高点均出现在心形胚阶段，其中RNA含量的变化较DNA、总核酸含量明显，蛋白质含量的变化曲线呈&S&形。

These indicted that the low temperature in autumn and short sunshine could promote the synthesis of the leaf protein,degrade the buildup of starch and invert part of starch to glucose,thus the PAL enzymatic activity were increased and the synthesis of cyanin was promoted,the leaf color changed red.

这说明秋季低温和短日照促进叶片蛋白质的合成，降低淀粉积累，将部分淀粉转化为葡萄糖，PAL酶活性增加，从而促进花色素苷的合成，叶色转为红色。

Modification of starch levels in plants can be achieved, as well as the targeting of genes from the starch biosynthetic or degradative pathways, disease or pest resistance or variation of gene expression due to stimulus are described.

披露了可以实现对植物中淀粉含量的改变，以及由于刺激所产生的来自淀粉生物合成或降解途径的基因的定向，病虫害抗性或基因表达的改变。

The spectra of X-ray diffract revealed that its crystal is B type and the value is about 18%, far lower than that of ordinary maize starch. With the method of chemistry modification, we modified the amylose starch with acetates. The result showed that the best reaction condition was at the ratio of 1:5.3 (glucose: acerbity), with MSA 1.5% catalyzer, at 75℃ for 3 h.

利用化学改性法对高直链玉米淀粉进行醋酸酯化改性，最佳反应条件为，淀粉葡萄糖基与酸的质量比1：5.3、催化剂甲磺酸用量为体系的1.5%、反应温度75℃、反应时间3 h，在此条件下可制备取代度为2.84的醋酸酯淀粉，比普通玉米淀粉高0.78。

The research results obtained showed that, sulphonating extent of synthetic starch xanthate was high, under room temperature, time 120 minutes, mol ratio of starch, sodium hydroxide and disulphide being 10 : 4 : 3, It was to say that sulphur content and supplent extent were high.

研究结果表明，原料配比为：淀粉：NaOH：CS_2为10：4：3，反应温度为室温，黄化反应时间为120min，合成DX的黄原酸化程度高，即产品含硫量和取代度高。

With corn starch as material, hydroxyethylated starch was prepared by first hydrolysing the starchwith acid, then etherify ing it with epoxyethane.

介绍了一种以玉米淀粉为原料，将淀粉用酸水解后与环氧乙烷进行醚化反应制备羟乙基淀粉的方法。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。