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The alkali dosage depends mainly on the constituents and property of material and the quality requirements for pulp: more alkali dosage will speed up cooking process, reduce the hardness of pulp and improve the bleachability of pulp; but excessive alkali dosage will lower the pulp yield and physical intensity, while too less alkali dosage will result in harder and darker pulp, uneasy to bleach, too much screenings, and even extending cooking time cannot guarantee the reaction of delignification.

用碱量主要取决于原料的组成和性质及对纸浆的质量要求:加用碱量有利于加快蒸煮速度降低纸浆硬度和提高纸浆的可漂性:但过高却会降低纸浆得率和物理强度,如过低时,成浆较硬而色暗,不易漂白而且筛渣多即使延长蒸煮时间也难以保证脱木素反应进行。

This means an initial stabilization of the fabric already begins in the chain zone followed by further stabilization in the chainless section of the machine.

这就是说在针板拉幅区已经开始作初步的去碱稳定工作,进一步的去碱稳定则在其后的直辊区段进行。

The results of FTIR and QCM measurement showed that Schiff bases could chemisorb on the copper surface through coordination, indicating that it is feasible to prepare SAMs of Schiff bases on the copper surface.

QCM和FTIR结果表明,希夫碱分子通过其中的亚胺基与铜的配位作用在铜表面发生化学吸附,从而形成自组装膜。因此用自组装技术在铜表面上制备希夫碱自组装膜是可行的。

Result: At most up to 500 mg·L-1, tetrahydropalmatine showed no sinificant effect on the cell viability, while dehydrocorydaline, berberine and palmatine significantly decreased the cell viability, exceeding 6.3, 0.6 and 6.3 mg·L-1, respectively( P .05 or P .01). Tetrahydropalmatine, dehydrocorydaline, berberine and palmatine significantly inhibited LDH leakage induced by anoxia-reoxia injury, at concentrations of 50-100, 1.25-5, 4 and 30 mg·L-1, respectively( P .05 or P .01). None of the four compounds showed significant effect on the hydrogen peroxide injury.

结果:多至500 mg·L-1的延胡索乙素对细胞活力无任何影响,脱氢紫堇碱、黄连素、巴马汀分别在质量浓度大于6.3, 0.6,6.3 mg·L-1时,显著降低细胞活力( P 。05, P 。01);延胡索乙素、脱氢紫堇碱、黄连素和巴马汀分别在质量浓度为50~100, 1.25~5, 4,30 mg·L-1时,显著抑制缺氧复氧导致的LDH漏出( P 。05, P 。01);4种单体对过氧化氢损伤无显著的保护作用。

Result: At most up to 500 mg·L-1, tetrahydropalmatine showed no sinificant effect on the cell viability; while dehydrocorydaline, berberine and palmatine significantly decreased the cell viability, exceeding 6.3, 0.6 and 6.3 mg·L-1, respectively( P .05 or 0.01). Tetrahydropalmatine, dehydrocorydaline, berberine and palmatine significantly inhibited LDH leakage induced by anoxia-reoxia injury, at concentrations of 50-100, 1.25-5, 4 and 30 mg·L-1, respectively( P .05 or 0.01). None of the four compounds showed significant effect on the hydrogen peroxide injury.

结果:多至500 mg·L-1的延胡索乙素对细胞活力无任何影响,脱氢紫堇碱、黄连素、巴马汀分别在质量浓度大于6.3, 0.6,6.3 mg·L-1时,显著降低细胞活力( P 。05或0.01);延胡索乙素、脱氢紫堇碱、黄连素和巴马汀分别在质量浓度为50~100, 1.25~5, 4,30 mg·L-1时,显著抑制缺氧复氧导致的LDH漏出( P 。05或0.01);4种单体对过氧化氢损伤无显著的作用。

The Mannich bases derived from phenylacetoneand dibenzyl ke- tone (Ⅰ,R=CH_2Ph) prepared in our previous work gave expected semicarba- zones in neutral or slightly acidic media.

几个 Mannich 碱在中性或微酸性的情况下制成它们的缩氨基脲,其中一个Mannich 碱在碱性情况下形成一个含有两分子氨基脲的物质。

By observation under alkaline condition, it was found that the law of change for SCOD and dissoluble protein in the supernate of sludge was similar.

通过观测碱处理污泥上清液中的SCOD以及溶解性蛋白质,发现两者变化规律相似,其融胞效果随pH值的升高,即碱投加量的增加而增加。

Objective:to compare the effects between seed stem and commercial rhizoma gastrodia on memory dysmnesia induced by scopolamine in rat .methods: a month before the scopolamine administration, seed stem and commercial rhizoma gastrodia were given to two groups of young rats with scopolamine–induced dysmnesia model, incubation period of findingplatform were measured by means of morris watter-maze.

目的比较天麻种麻与天麻商品麻改善东莨菪碱诱发的记忆障碍的疗效。方法用天麻种麻,商品麻灌胃饲养幼鼠一个月,然后用东莨菪碱诱发大鼠造记忆获得性障碍模型,通过morris水迷宫测试大鼠寻找平台的潜伏期。

Fig.4 Comparison of distribution for RADR of root number, root length, seedling height and total r elative alkali damage rate at early seedling stage under different Na2CO3 concentration

图4 不同浓度的 Na2CO3胁迫下,水稻幼苗前期根数的相对碱害率和综合相对碱害率的分布比较

The high compressive strength is obtained when the modulus of the activator viz., molar ratio of SiO2/Na2O is 1.5, and the proper content of this activator evaluated by the amount of Na2O to the high-calcium fly is 10 %. The compressive strength of these samples is 63.4 MPa when they is cured at 75 oC for 8 hours flowed by curing at 23 oC for 28 days. The main gels of geopolymer and calcium silicate hydrate, and Gismondine co-exist and bond some remaining unreacted fly ash spheres.

结果表明:复合碱激发剂适宜的模数M =n(SiO2)/n(Na2O)为1.5,掺量为Na2O当量10%;适宜养护条件为,75oC养护8h,然后在23oC室温养护至所需龄期,其28d抗压强度达63.4MPa;碱激发高钙粉煤灰同时生成地聚合物凝胶和水化硅酸钙凝胶,并有类沸石矿物生成,反应产物与未反应的粉煤灰颗粒胶结成较为密实的高钙粉煤灰地聚合物。

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推荐网络例句

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说,如果是/否的问题回答f可看的价值观念在许多最有限坐标,然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明:基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小,它既能去除奇异点,又能保持图像中目标的边缘不变性,具有很好的滤波效果。

It explains in detail how the methods of elicitation, discussion, and induction are to be used in the physics teaching.

本文根据心理学原理论述了改革初中物理教学的必要性,并对"启发、讨论、归纳法"在物理教学中的应用作了详细的阐述。