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- THE LIGNIN CHEMICAL STRUCTURE CHARACTERISTICS AND KRAFT PULPING PROPERTIES OF CHINESE LARCH 兴安落叶松木质素化学结构及硫酸盐制浆性能
- lignin chemical structure 木素化学结构
- The chemical structure of acetic acid lignin (AAL) isolated from acetic acid pulping were studied by mens of m spectroscopy determination. 摘要用红外光谱研究了乙酸木质素的结构。以乙酸木质素代替部分聚乙二醇合成了聚醚型聚氨酯。
- The chemical structure, source and research outcomes of lignin which was used as a reinforcing agent in rubber were systematically reviewed with 29 references. 摘要介绍了造纸工业产生的固体废物木质素的化学结构、工业来源和国内外在橡胶领域应用的重要研究成果。
- The changes in chemical structure of residual lignin in reed kraft pulp after treatment with a white rot fungus,Panus conchatus have been investigated in the present paper. 从元素组成,功能基含量,结构单元三种基团的比例和分子量及其分布等方面研究了生物降解纤维素酶苇浆残余木素的性质。
- The changes in chemical structure of residual lignin in reed kraft pulp were investigated by chemical analysis,element constitution and NMR spectroscopies. 从元素组成、功能基含量、结构单元三种基的比例和分子量及其分布等方面研究了苇浆残余木素的性质,并与芦苇木素进行了比较。
- Chemical structure whether make in a laboratory or animal parts. 物或动物,都具有同样的性质和特定的化学结构。
- Li Meng-shi,Wu Shu-bin.The chemical structures and thermochemical properties of wheat straw lignin[J].Acta Energiae Solaris Sinica,2005,26:523-528. [8]李梦实;武书彬.;麦草木素的化学结构及其热化学特性[J]
- STUDIES ON CHEMICAL STRUCTURE OF POLYSACCHARID OF CORIOLUS VERSICOLOR(CVP) III. 云芝子实体多糖(CVP)化学结构的研究III.
- The progress in lignin chemical modification was reviewed as well,including sulfonation,oxidation,graft copolymerization,condensation reaction,Mannich reaction,alkylation,hydroxyalkylation,etc. 并综述了木质素在磺化反应、氧化反应、接枝共聚反应、缩合反应、曼尼希反应、烷基化反应、羟烷基化反应等化学改性反应中的研究进展。
- A series of qualitative experiment of roselle calyx red pigment was done so that the chemical structure of the pigment was appraised preliminarily. 对玫瑰茄红色素进行了一系列定性实验,欲对其结构进行初步鉴定。
- The Turkish group studied the chemical structure of leaves from the plant called the sacred lotus. 土耳其研究小组研究了睡莲叶的化学结构。
- A vitamin has the same properties and specific chemical structure whether made in a laboratory or taken from plant or animal parts. 一种维生素无论是来自实验室，还是取自植物或动物的某个部位，其特性和具体的化学结构是一样的。
- The chemical structure of isoflavones is similar to that of female estrogens, which is known as phytoestrogens. 异黄酮素的化学结构与女性雌激素相似,又被称为植物性雌激素。
- It is the chemical structure of water that makes it an excellent medium for life. 是水的化学结构使它成为绝佳的生命存在的介质。
- The chemical structure of the cyan DAR coupler was identified by IR, HNMR, MS and elemental analysis. 其结构经IR、HNMR、MS和元素分析等检测与所设计一致。
- The result of IR indicated that the chemical structure of DHP was in well agreement with MWL prepared from ginkgo wood. 红外分析结果显示 :该实验条件下用松柏醇葡萄糖苷合成的DHP同天然银杏木材的磨木木质素 (MWL)在组成和结构上有较好的相似性。
- FTIR,X-ray, DSC and SEM were used to characterize the chemical structure and thermoplasticity of cyanoethylated Wood. 利用，X-ray，DSC，SEM等对氰乙基化木的微观结构和热塑性进行了研究和表征。
- MDL ISIS/Base creates customized forms that combine chemical structure searches with text and numeric queries. ISIS/Base基于表格的搜寻功能,可以让用户根据不同的需要将化学结构、文本及数字等类型的检索要求组合在一起,对相关的数据库进行检索和管理。
- By ESCA, IR, FTIR, changes of chemical structure of the veneer surface was surveyed. 借助于化学分析光电子能谱仪(ESCA)、红外和傅里叶变换红外光谱仪(IR和FTIR)探查了单板表面化学结构的变化。
