尤为严重的是碱法制浆产生的麦草碱木素由于水溶性和表面活性差而难以在工业上得到广泛应用,从而造成对环境的严重污染。
It is difficult for alkali lignin of wheat straw produced by alkaline pulping to be widely used in industry because of its poor solubility and surface activities.
上述感射线性树脂组合物含有(A)碱可溶性树脂、(B)1,2-醌二叠氮化合物和(C)具有硅氧烷链的特定聚合物。
The radiation sensitive linear resin composition comprises (A)alkali soluble resin, (B) 1,2-quinone-bi-azide compound and (C) special polymer with siloxane chain.
结果显示,由碱硅酸反应(ASR)引起的膨胀与可溶性碱量和有效碱量之间有很好的关系。
The results show that there is a good relation between the expansion caused by alkali - silica reaction (ASR) and the water soluble alkali content or the effective alkali content.
结果表明,种植区碱蓬根系土壤的可溶性盐分与对照土壤相比下降了41%(重量法)和37%(电导法);
The results showed that the soluble salt in S. salsa planted soil decreased by 41 % (method of weight) and 37% ( method of electric conductivity) compared with that of control respectively.
应用水溶性凝胶渗透色谱法测定了碱木素的分子量,与脂溶性凝胶渗透色谱法的测定结果基本一致。
In this paper, we present a method to determine the molecular weight of alkali lignin directly by using aqueous gel permeation chromatography with Ultrahydroge.
用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱,然后用酸度计或指示剂对抽提物进行测定。
It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.
表面活性剂铜配合物具有较好的水溶性和表面活性,不但在DM F溶剂中有效催化苯甲醇、安息香的空气氧化反应,而且在稀碱溶液中形成的金属胶束也可催化氧化苯甲醇。
Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.
小麦幼苗中甜菜碱的最大含量比脯氨酸和可溶性糖最大含量出现得早;
The time that maximum betaine content appeared was earlier than proline and soluble sugar do during water stress.
碱:在溶液中可形成氢氧根离子的可溶性物质。例如氢氧化钠或氢氧化钾。
Alkali: a soluble matter that forms hydroxyl ions in solution. e. g. NaOH or KOH.
研究了用啤酒厂排弃的废酵母经自溶制备碱不溶性葡聚糖的工艺。
This paper was on the preparation of alkali -insoluble glucan by the discarded brewer's yeast autolysed beforehand.
彩色光阻剂的主要成分包括:碱可溶性树脂、光固化树脂、颜料、光引发剂、有机溶剂以及添加剂。
The photo resist consists of binder polymer which makes the photopolymer alkaline soluble, multi-functional monomers, pigments, photo initiators and solvents.
目的:研究细茎石斛拟原球茎生长规律及其与两种有效成分总生物碱和可溶性多糖积累的关系。
Objective: To study the relationship between growth of Protocorm-like bodies and accumulation of total alkaloids and polysaccharides (two active constituents) in Dendrobium moniliforme.
在碱溶性树脂中,以低分子量、窄分子量分布、高酸值、较低玻璃化温度的苯乙烯—丙烯酸共聚树脂(简称苯丙树脂)最具代表性。
Styrene-acrylic resin, a typical one among all alkali-soluble resins, has the criteria of low molecular weight, narrow molecular weight distribution, high acid value and low Tg.
研究了碱溶性包心芥菜多糖的提取工艺、分离纯化以及纯度鉴定。
The extraction, isolation and purification of alkali-soluble polysaccharide from leaf mustard were studied.
用混合溶剂提取法研究催吐萝芙木水溶性生物碱的浸提工艺。
Extraction processes for water soluble alkaloids from Rauvolfia vomitoria Afzel with various mixed solvent systems were described.
目的:探讨莱菔子水溶性生物碱对自发性高血压大鼠(SHR)的血压及心血管重构的影响。
Objective: To explore the effects of the soluble Semen Raphani alkaloids on spontaneous hypertensive rats (SHR) and on cardiovascular remodeling.
本文介绍了目前国内出售的氢氧化铝的类别及其酸溶性差异,提供选择碱式氯化铝原料的依据。
The paper introduces the kinds of domestic aluminium hydroxide and the differences in their acid solubilities. It provides the conditions for raw material selection for basic aluminium chloride.
本文研究了不同提取温度、提取时间和碱摩尔浓度对碱溶性米糠多糖提取得率的影响。
To develop the technology for extracting alkali - soluble rice bran polysaccharide (ASRBP), the effects of temperature, time and pH on the extraction yield of ASRBP was investigated.
探讨了采用碱法和酶解法提取啤酒糟中水溶性膳食纤维的工艺条件。
The optimum conditions of the extraction of soluble dietary fiber from brewer's spent grains by chemical methods and enzymic methods was studied.
甜菜碱便是这类相溶性小分子有机物中重要的一种。
Glycine betaine is one of important compatible micromolecule organics.
以干燥的柿皮为原料,通过单因素实验及正交实验研究了从柿皮中提取酸溶性和碱溶性膳食纤维的工艺条件,并测定了膳食纤维的持水力和溶胀力。
The extraction technology of acid-soluble dietary fiber and alkali-soluble dietary fiber from dry Persimmon peel was studied by single factor and orthogonal experiments.
讨论了总碱量、可溶性碱量和有效碱量与膨胀率的关系。
The relationships between the total alkali content, water soluble alkali content, effective alkali content and the expansion of mortar bars were examined.
主要研究在稀碱条件下米糠可溶性蛋白的提取工艺及所得蛋白的一般特性。
The thesis is mainly concentrated on the extraction and characterization of soluble protein from rice bran.
研究了马来酸酐的用量对碱溶性齐聚物性能的影响。试验表明:在酸酐配比等于0.6∶1时,产物具有较好的碱溶性;
The result of infra-red spectrometry showed that when the ratio between resin and maleic anhydride was more than 1:0.6, the produced photosensitive resin possessed a better alkali solubility.
碱:在溶液中可形成氢氧根离子的可溶性物质。
Alkali: a soluble matter that forms hydroxyl ions in solution. e. g.
结果表明:各类型蛋白质的含量为水溶性蛋白质43.4%、酸溶性蛋白质1.8%、碱溶性蛋白质1.9%、醇溶性蛋白质0.3%;
The protein of Acria cinerea was divided into water dissolved protein(43.4%), acid dissolved protein(1.8%), alkaline dissolved protein(1.9%) and mellow dissolved protein(0.3%).
结果表明:各类型蛋白质的含量为水溶性蛋白质43.4%、酸溶性蛋白质1.8%、碱溶性蛋白质1.9%、醇溶性蛋白质0.3%;
The protein of Acria cinerea was divided into water dissolved protein(43.4%), acid dissolved protein(1.8%), alkaline dissolved protein(1.9%) and mellow dissolved protein(0.3%).
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