淀粉

A new technology was put forward of grafting vinyl acetate and starch acetate with high degrees of substitution copolymerized to prepare a kind of biodegradable material.

提出了以高替代率的淀粉醋酸酯与醋酸乙烯酯接枝共聚制备生物降解淀粉塑料的新工艺，研究了不同工艺条件对共聚反应的影响。

It was found that the PCCG of the derivative could be 31.32% when 3 g starch and 3 g maleic acid were initiated by both 0.009 85 mol/L Fe2+ and 4.412 mol/L H2O2 and copolymerized at 60 ℃ for 5 h.

将中性的淀粉转化为含羧基的阴离子型聚电解质，是赋予淀粉功能性而提升其价值的一种有效途径。

The results were as follows: Compared with natural growth, defoliating and shielding photosynthesis organs decreased the contents of starch, fat and iron in wheat grains and yields of starch, fat, protein, ash, phosphorus, potassium, zinc, iron and calcium in a single ear.

结果表明，剪叶遮光后小麦籽粒中淀粉、脂肪、铁含量比正常生长降低，灰分、磷、钾、锌、钙含量提高，而对蛋白质含量影响很小；剪叶遮光后小麦籽粒淀粉、脂肪、蛋白质、灰分、磷、钾、锌、铁、钙单穗产量均比正常生长降低。

Of load-bearing, it is slightly lower than polyethylene, but increases the denatured starch

由于本分解制品渗入了大量的变性淀粉，在承重上，比聚乙烯略低，但无論如何添加变性淀粉含量

This pint-sized amylose measuring device has the good function of the person-machine dialoguing, and it can be controlled by the keyboard for the measuring amylose content. The LCD screen can show the computation results and give the information on the next step operation, and the measuring results can be printed and saved in the PC machine as the TXT document.

该小型直链淀粉测定仪具有良好的人机对话功能，由键盘控制实现直链淀粉含量的测定，液晶显示测量进程中的计算结果并提示所要进行的下一步操作，测量结果可以打印，能实现与PC机的通信并将结果保存为TXT文档。

The esterifying conditions of starch phosphate monoester of potato are investigated and analyzed in order to discuss the effects of esterification on granule diameter and gelatinization temperature of potato starch.

通过对磷酸单酯淀粉酯化条件的研究和分析，探讨了不同酯化条件对马铃薯淀粉磷酸单酯粒径和糊化温度的影响。

By adjusting the amount of esterifying agent, SP with DS 0.02~ 0.09 can be prepared easily while RE is about 60%~ 70%.

然后，用红外光谱、扫描电镜、X-射线衍射、差示扫描量热分析及淀粉-碘复合物吸收光谱分析对木薯淀粉磷酸酯的结构进行表征，并对产品糊的理化性质进行研究。

Starch stearate was synthesized from wheat starch, stearic acid as esterifying agent, and hydrochloric acid as catalyzer under dry condition.

以小麦淀粉为原料，硬脂酸为酯化剂，盐酸为催化剂，在干法条件下合成硬脂酸淀粉酯。

Acetylated starches with high degree of substitution were synthesized from cornstarch with acetic anhydride as esterifying agent and methanesulphonic acid as catalyst.

以玉米淀粉为原料，醋酸酐为酯化剂，甲烷磺酸为催化剂，制备高取代度淀粉醋酸酯。

Preparation of starch succinate with low substitution degree was studied by using corn starch as raw material,succinic anhydride as esterifying reagent,water as solvent and sodium hydroxide as catalyst.

以玉米淀粉为原料，丁二酸酐为酯化剂，以水为媒介，氢氧化钠为催化剂对低取代度淀粉丁二酸酯的制备工艺进行了研究。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷