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- They have a high tolerance of acid conditions. 它们对酸性环境有很强的耐受性。
- Hydrolysable tannin may be degraded to glucose,gallic acid,ellagic acid and valonia acid in the acid condition. 水解类植物鞣质在酸性条件下能降解,其降解产物可起到还原、蒙囿以及与金属盐络合的作用。
- One was to bring down the fever, another a purgative, the third to overcome an acid condition. 一种药退烧,另一种润肠,通便,还有一种是去酸。
- The denaturation rate can achieve 58.41% and the antioxygenic property reduces 39.94% under the strong acid condition. 但在强酸性条件下变性率最大达到58.;41%25,抗氧化性降低了39
- In the acid condition,iodine ions can be oxidized by three-valent iron ions and elementary iodine can be separated. 在酸性条件下,三价铁离子可氧化碘离子,并游离出单质碘。
- The results show that the HTO HAP has high ion exchange capacity for Sr2+ and Cs+ while not stable under strong acid condition. 结果表明:HTO-HAP在弱酸性条件下对Sr2+和Cs+有较大的交换容量,但耐酸性不好;
- The physicochemical and rheological properties of soybean soluble polysaccharide(SSPS) extracted under acid condition were researched. 研究了酸性条件下提取的大豆多糖的理化指标及其流变特性。
- Sedimentary bauxite bonanza was formed in stable sedimentary environment with unsolvable medium of sediments under acid condition. 沉积铝土富矿资源形成于酸度较强而沉积物又不被介质溶解的平静稳定的沉积环境。
- It is also indicated that pretreatment of rice hull powder under acid condition is helpful to improve its thermostability. 酸性条件下预处理稻壳粉有利于提高其热稳定性。
- Methods: Second-hydrogenation, distillation under high vacuum, recrystallization, hydrolyza-tion under acid condition, and oxidation. 方法:再次氢化、酯化物高真空蒸馏、成盐后重结晶、酸性条件下水解、氧气破坏性氧化。
- Result showed that pH value had influence on paulownia wood color, and white value of paulownia wood was prone to decrease and chromatism rose under acidity condition. 结果表明:酸碱度影响泡桐木材颜色变化,在偏酸条件下泡桐木材的白度易于向劣化方向发展,总色差升高;
- In the acid condition of pH 4.5-6.0, netilmicin (NTM) reacts with Congo red (CR) to form red ion association complexes and bring to the red solution fading of Gongo red . 在pH4.;5~6
- But after the reaction with phosphoric acid or ammonium molybdophophate, the acid fastness and exchange capacity for Cs+ in strong acid condition are greatly improved. 而作为基体与磷酸反应,或进一步复合磷钼酸铵后,其耐酸性和对Cs+的交换性能均有较大增强.
- The adhesive used in pelletizing fine coal can be prepared by the acetalation of nitrified and oxidated fine young brown coal with PVA solution and aldehyde in acid condition. 本研究将经过硝化氧解的年轻褐煤粉与聚乙烯酸水溶液在酸性条件下和醛类发生缩醛化反应,制取煤粉成型用型煤粘结剂。
- A solution containing double-chain polymer of methyltriethoxysilane (MTES) was also prepared under acid condition, as the introducer of water repellence. 以甲基三乙氧基硅烷在酸性条件下水解缩聚获得双链聚合物溶液,作为疏水基团的引入剂。
- L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition,and 2,6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate. 用甲醇对油样中L-抗坏血酸棕榈酸酯进行提取,对提取物在酸性条件下水解,用水解产物对2,6-二氯酚靛酚钠溶液进行滴定。
- Low temperature bleaching of wool with hydrogen peroxide using katalase as catalyst under acid condition has been studied as well as the related factors influencing it. 研究了在酸性条件下,以酶为催化剂,羊毛双氧水低温漂白工艺及相关因素的影响。
- The amphiphilic diblock copolymer PMMA-b-poly(methacrylic acid) can be further obtained very easily by hydrolysis of PMMA-b-PBEMA under a mild acid condition. 将PMMA-b-PBEMA在温和的酸性条件下水解,可以很容易地得到含有聚甲基丙烯酸(PMAA)嵌段的两亲性嵌段共聚物PMMA-b-PMAA。
- OBJECTIVE:To study the process of acetylized racemization of D-penicillamine in the acidic condition. 目的研究D-青霉胺在酸性条件下进行酰化外消旋的工艺。
- The results showed that this kind of pigment had a good stability to light, heat and common food additives under acidic condition. 结果表明,该色素在酸性条件下对光、热、常用食品添加剂均具有较好的稳定性。