化
- 与 化 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First, the preparation of the aminom ethylation of tannin using its electrophilic reaction activity of C-6, C-8 in ring-A; then process the quaternization base on the aminom ethylation; last, progress the sulfonation by use of the activity of phenolic hydroxyl hi ring-B.
首先利用单宁A环的C—6、C—8的亲电反应活性制备单宁胺甲基化产物;然后在胺甲基化的基础上进行季胺盐化;最后利用单宁B环的酚羟基的活性进行磺化。
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The heat capability of the hybrid material was tested by DSC,which indicates that Tg and Td elevate above 10℃ and the exothermal quantity decreases by about 50%.
通过TEM,XRD等分析手段对制备的杂化材料进行了表征,证明该乳胶粒子具有剥离型结构,并用DSC对该杂化材料的热性能进行了测试,其玻璃化转变温度和起始分解温度均提高10℃以上,放热量减少约50%。
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Service innovation involves service concept innovation, service process innovation and clients interface innovation. Because service innovation is more fargoing and requests much intenser interaction with clients than technology innovation, it has more informal or temporary innovation organizations that have self-management control mechanism and exoteric boundary.
服务创新包括概念、过程和界面创新等内容,与技术创新相比,服务创新的范畴更广,同时也有更高的顾客互动要求,反应到创新组织形式上,为非正式化程度高,多以项目团队形式存在等;反应到结构上,则为控制机制的自我监管化,互动界面的开放化、延伸化等。
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Experimental results show that esterification reaction proceeds effectively at 200℃ with ferric sulfate as catalyst.
论文研究选用硫酸铁作酯化反应的催化剂,在醇酸摩尔比10:1.0,酯化温度200℃,酯化时间2小时。
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The unniquess result on homogeneous special Lagrangian fibration with singular central fibers is proven, which says that special lagrangian fibration with homogeneous isolated singularity is essentially the model of Harvey-Lawson.
证明了当特殊拉格朗日纤维化在孤立奇点附近是代数的,则奇异性是唯一的。这个纤维化在孤立奇点的结构本质上是Harvey-Laweon在1982年给出的模型。这个结果在纤维化的奇异结构的研究中是十分重要的。
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In the case of study, the better fittable algorithm of volume visualization is selected in accordance with the analysis of the software.
三维可视化是科学计算可视化和三维GIS密切联系的纽带,本文综述该方面的发展趋势,研究了两大类三维数据场可视化算法:表面拟合方法(Surface-fitting method)和直接体绘制(Direct Volume Rendering,DVR)。
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MethodsOur study was to treat gastric ulcer by invigorating spleen and benefiting vital energy Chinese drugs through clinical observation and experimental research, and compared with mucosa protectant -gastropine and H2 receptor antagonist -famotidine about the mucosa mitochondrion 8-oxygen guanine DNA glycosylase, thymine glycol DNA glycosylase,3-methyl adenine DNA glycosylase, the effect of gastralgia, splenic asthenia and quality of ulcer recovery.
比较健中愈疡片、黏膜保护剂胃舒平以及H2受体拮抗剂法莫替丁对胃黏膜线粒体 8-氧鸟嘌呤DNA糖基化酶、胸腺嘧啶乙二醇DNA糖基化酶、3-甲基腺嘌呤DNA糖基化酶的影响,并进行健脾益气方药与黏膜保护剂胃舒平以及H2受体拮抗剂法莫替丁对胃溃疡愈合质量的比较和评价。
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The crystallization temperature of amorphous Gein Ge-Aurnonolayer films can be reduced by increasing the content of Au.The as-deposited Ge-5at%Au monolayer films are amorphous and can becrystallized at 150℃.
Ge-Au合金单层膜中Au含量的增加,可以使非晶Ge的晶化温度(纯非晶Ge晶化温度为400℃)降低,如Ge-5at%Au单层膜原态为非晶态,晶化温度为150℃。
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The paper probed into the grammaticalized process of the prefix A- and some related problems on typology and gained several breakthroughs such as putting forward a new conception of "historical levels" on grammaticaliztion and the "unidirectionality", discussing some generant universals on the language's origin and change, recognizing the roles of the unique small contexts acted on the grammaticalization and the broadening process of grammatical rules, realizing the necessity of combination of researches on historical grammar and on Chinese etymology.
论文进而在更高的层次上对阿缀的语法化和相关类型学问题进行理论提炼与总结,取得了若干突破,如提出语法化研究中的历时层次与非单向性问题、语言起源发展的发生学共性问题,认识到独特小语境在语法化和语法规则泛化中的作用、语法史研究与汉语词源学研究结合的必要性等。
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(1)PAL is better entrapped by PAG with a T∶C ratio of 8∶30.(2)PAL immobilized by glutaric dialdehyde on Bio-Gel P-300 is better than by CDC.(3)The best one is the dehydration and redehydration method.(4)Immobilized and permeated PAL active yeast cells are resistant to trypsin digestion and retain its PAL activity.
(1)固定化酶活性采用T∶C比为8∶30明显高于8∶19;(2)以戊二醛将PAL固定于Bio-GelP300优于用DCD固定化的酶;(3)质脂体包被中以脱水再加水法对酶活性影响较少,脂类组成以磷脂酰胆碱:胆固醇:磷脂酰丝氨酸比值7∶2∶1最好;(4)固定化PAL活性酵母细胞能较好地抵抗人工肠液中胰蛋白酶的水解作用,亦能明显降低苯丙氨酸的浓度。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。