modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

1、

microbial degradation of larch tannin to catechin; study on chemical composition of catechu ( i)& distinction between catechin and epicatechin by tlc

微生物降解落叶松单宁为儿茶素的研究

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2、

the synthesis of larch extract tannin amphoteric water treatment agent was divided into three phases.

在实验过程中落叶松单宁两性水处理剂的合成主要分为三个阶段。

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3、

preparation and characterization of cationic flocculant of larch tannin

阳离子落叶松单宁絮凝剂的制备及表征

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4、

study on synthesis and antibacterial performance of carboxymethyl larch tannin

羧甲基落叶松单宁的合成及抗菌性能

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5、

the preparation of larch extract tannin amphoteric water treatment agent

落叶松单宁两性水处理剂的研制

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6、

seasonal change and organs difference of tannin content in larix gmelinii

兴安落叶松单宁含量的器官差异与季节变化

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7、

the preparation of powder larch ( larix) tannin phenol formaldehyde ( tpf) adhesive and technology of hot pressing of plywood were studied.

试验研究了粉状落叶松单宁酚醛树脂胶（TPF）的调胶工艺和胶合板胶合工艺。

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8、

" in the course of contacts, his sweetheart calls him: " abnormal. . . abnormal, normal not?

一来二去，他爱人就叫他：“不正常……不正常，正常不？”

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9、

adsorption property of nd~ ( 3+) by immobilized myrtan tannins

固化杨梅单宁对Nd~（3+）的吸附效果实验研究

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10、

the adsorption isotherms can be described by freundlich equation, which showed the fact that the increase of temperature favors the adsorption of+ 22uo.

+22UO在固化杨梅单宁上的吸附平衡符合Freundlich方程，升高温度，平衡吸附量增大。

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11、

at first, the adsorption behaviors of cd ( ii) on collagen fiber immobilized black wattle tannin, larch tannin and bayberry tannin were investigated.

首先研究了胶原纤维固化黑荆树单宁、固化落叶松单宁和固化杨梅单宁对Cd（II）的吸附特性。

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12、

in addition, the size of sample particle had no significant influence on the extraction of extractable polyphenols and condensed tannins, whereas the sample particle passing through a 100-mesh sieve can contribute to the formation of extractable condensed tannins.

同时通过3次以上的提取，样品颗粒大小对可溶性多酚和缩合单宁的影响不显著，但是在全部过100目筛的样品研磨处理下能最多地将结合态的缩合单宁转化为可溶态。

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13、

a study was conducted to clarify the seasonal changes in components of tannin and the relationships between the differences in tannin and fruit astringency of cultivars.

研究了不同甘、涩类型柿果实单宁类成分的季节变化、与甘涩性状的关系以及罗田甜柿可溶性单宁含量、单宁组分和单宁细胞的特性。

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14、

the content of simple phenols and hydrolyzable tannins were very low and their variations were not significant during autumn and winter.

试材枝内简单酚类物质和可溶性单宁含量极低，且在秋冬季节无显著变化。

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15、

the main quality indexes of persimmon, for example fruit weight, firmness, soluble solids content, soluble tannin content, soluble sugar content, titratable acid content, were significantly positively linear correlated with the number of days after blooming.

甜柿果实生长发育过程中的主要品质指标，如单果重、果实硬度、SSC、可溶性单宁含量、可溶性糖含量、可滴定酸含量等与开花后天数有显著或极显著的相关性。

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16、

the result thus attained is the liberation of the notion, which in chemism and mechanism was present only in the germ, and not yet evolved.

由于这样产生的结果，就是那原来仅潜在于机械性和化学性中的概念便得到了解放。

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17、

the third type of objectivity, the teleological relation, is the unity of mechanism and chemism.

客观性的第三形式，目的的关系，这是机械性和化学性的统一。

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18、

objectivity contains the three forms of mechanism, chemism, and teleology.

客观性包含有机械性、化学性和目的性三个形式。

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19、

the manufacturing, properties and application of the nano zsm-5 type molecular screen

纳米ZSM-5型分子筛的制备和性质与应用

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20、

analysis on fatty acids in seeds of ribes qingzangense

青藏茶藨子种子中的脂肪酸含量分析

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