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The results showed that nitrogen oxide was strongly deoxidized to nitrogen by iron; Petroleum coke char and CO could promote the heterogeneous reaction of Fe and NO, deoxidize iron oxides, and prolong the active time of iron; while limestone had little effect on the heterogeneous reaction.

结果表明:Fe对NO有很强的还原作用;石油焦焦炭和CO对Fe与NO之间的多相反应具有很强的促进作用,可还原Fe的氧化物,延长Fe的作用时间;而石灰石对Fe与NO之间的多相反应几乎没有作用。

In immunohistochemistry slices of skeletal muscle injury induced by contusion, the expression conditions of MyoD protein (one molecule symbol during the differentiation of sarcoblast) in satellite cells are followings: it is expressed continuously in gastrocnemius of treated group at 24 hours、2 days and 4 days after injury positive it is expressed at 4th day in fast muscle of untreated group; it is expressed at 2th day after injury in soleus (slow muscle of treated group; it is negative in slow muscle of untreated group.

由此可见,云南白药在骨骼肌损伤后的修复过程中的作用是通过抑制炎性细胞对伤后肌肉组织的破坏作用,缩短炎症反应进程,对骨骼肌卫星细胞的增殖分化有一定的促进作用,并且该作用在快肌纤维上表现较为显著,从而有利于损伤肌组织的修复。

The variance of ABA of grape during storage were discussed in this paper.The following results are been drawn:the change of the content of ABA of grapes during storage characterizes by a parabolic shaped curve with obvious peak.Low temperature (0±0.5℃) is conducive to delaying the appearance of the peak of ABA and reduces the peak value.Nine kinds of plant growth regulators and two kinds of chemicals were chosen to treat grape bunches so as to study their mechanisms on ABA of grapes,2,3,5 triiodobenzoic a...

试验研究了葡萄贮期脱落酸的变化,结果表明:葡萄贮期 ABA含量呈抛物线形变化,有明显的高峰出现,低温( 0± 0 。5℃)贮藏具有推迟 ABA峰期和降低峰值的作用,经用 9种植物生长调节剂和 2种化学药品对葡萄果穗处理试验,三碘苯甲酸对 ABA的形成有极强的抑制作用,吲哚- 3-乙酸、赤霉素( GA3)、萘乙酸和 6-苄基氨基嘌呤( 6- BA)对 ABA的形成也具有拮抗作用,矮壮素、比久( B9)、乙烯利和外源脱落酸对 ABA的形成有促进作用

The most appropriate catalyzed temprature and pH for it is 60 ℃ and 5.5 respectively. It has the extreme stability at the temperatures no more than 50 ℃.The CMC-Na has the protective effect on the cellulase. The pH stability range of the purified cellulase is 4 ~ 8. Zn2+, Ca2+, Mg2+, K+, Li+ can ativate the cellulase. And cellulase can mainly decompose CMC and salicin, but can decompose other substrates feebly.

对这个组分的催化性质进行了研究,该酶的最适催化温度60 ℃,pH值为5.5,在50 ℃以下酶的稳定性较好,70 ℃条件下底物对酶有较强的保护作用,该酶的pH稳定性范围为4~8, Zn2+,Ca2+,Mg2+,K+,Li+对酶活有促进作用,Mn2+、Co2+、、Fe2+、Fe3+对酶活起抑制作用,酶对CMC-Na和水杨素有分解作用,而不分解脱脂棉和滤纸。

In the three systems, system realizes the crosslinking of PVC bases on the peroxide crosslinking mechanism, the tensile strength of crosslinked PVC has been improved somewhat, the IR spectrum of gel demonstrates that there are characteristic absorption peaks of n-alcohol that belongs to ethanol amine and benzenoid group. From the analysis of gel structure , deduces that the mechanism of crosslinking reaction: under the initiations of peroxide and high temperature, PVC yields macromolecules free radicals, at the same time , styrene"s polymerization and grafting onto PVC takes place, at last the system forms crosslinking structure through coupling between radicals; confirms that triethanol amine can absorb HC1 produced by degradation of PVC, so improves the crosslinking efficiency of peroxide, decreases the HCl"s promotion for PVC"s degradation; deduces that triethanol amine can activate the PVC macromolecules and prolong the free radicals" life-time of PVC macromolecules; the effect to the PVC macromolecule makes styrenes graft reaction easy, and thus improves the crosslinking efficiency.

三种体系中三乙醇胺/过氧化二异丙苯/苯乙烯体系基于过氧化物交联机理实现了聚氯乙烯的交联,聚氯乙烯交联后拉伸强度有一定提高,凝胶红外光谱分析证实了凝胶结构中含有乙醇胺的伯醇基团特征吸收和苯环的特征吸收,由凝胶结构分析,推断出交联反应的机理:聚氯乙烯在过氧化物和热作用下产生大分子自由基,苯乙烯在过氧化物和大分子自由基的作用下发生聚合和接枝反应,最终通过自由基之间的偶合产生交联;证实三乙醇胺可以吸收聚氯乙烯分解产生的HCl,提高了过氧化物的交联效率,消弱了HCl对聚氯乙烯降解的促进作用;推断三乙醇胺可以活化聚氯乙烯大分子并有可能使聚氯乙烯大分子自由基存在的时间得以延长,对聚氯乙烯大分子的作用使苯乙烯的接枝反应易于发生,从而提高了交联效率。

On the basis of these theoretic methods, there are three different research conclusions to the problem mentioned above. The first one is the stimulative view, the second is the suppressive view and the third one is the unconspicuous view or the view that both effects existed.

在这些理论方法基础上,关于FDI与中国企业科技进步关系的问题,目前主要有三种不同的研究结论:一是发现有促进作用的研究结论;二是发现有抑制作用的研究结果;三是发现作用不明显或两方面作用都有的研究结论。

Only 1O-day pretreatment of germinated seeds at 5℃ or 10℃ was enough to enhance the floral bud differentiation in the spring variety'Duanye 13', whereas at least 20-day pretreatment was required for the promotion of floral bud differentiation in the winter variety'Yidianhong'. Non-vernalized'Duanyi 13'plants flowered 70 days after transplanting in a warm (above 15℃) and long photoperiod (16h) growth condition, but non-vernalized 'Yidianhong'plants did not flower 90 days after transplanting in the same growth condition as'Duanye 13'.

处理温度越低和/和处理时间越长,对花芽分化和开花的促进作用越明显;春性品种'短叶13'的萌动种子在5℃和10℃条件下处理10d就能显著促进其花芽分化,而且即使未经低温处理,并给予15℃以上的生长温度和16h的长日照条件,植株也能在播种后70d内开花;但冬性品种'一点红'则需要在5℃或10℃下处理20d以上方能显著促进花芽分化,若不给予低温处理,即使给予16h的长光照条件,在播种后90d也不能开花。

Objective To investigate the nasal absorption of baicalin and the enhancing activities of several absorption enhancers.

摘要目的研究黄芩提取物中黄芩苷的鼻腔吸收规律和9种吸收促进剂对黄芩苷鼻腔吸收的促进作用,寻找有效的鼻腔吸收促进剂。

Thus we conclude that JA might be one of the potent factors, other than auxin, involving in the regulation of LR formation.3. Relationship between JA and SA on LR formation in rice seedlingMouse monoclonal antibodies against salicylic acid was produced and characterized for the first time. The McAb S2-8F, were derived from an immunogen in which 5-aminosalicylic acid (5-ASA) was conjugated to KLH (hemocyanin from keyhole limpets) through its-NH2 group.

实验结果还表明IBA对水稻幼苗侧根发生的促进作用可能并非是通过转化为吲哚乙酸(indole-3-acetic acid,IAA)而实现,因为外源IAA不能促进水稻幼苗侧根的发生,荣莉酸对水稻幼苗侧根发生的诱导效应及其与生长素和水杨酸的关系却和 IBA一样可以抑制种于根伸长及促进侧根伸长,只是IAA具有这种效应需要的浓度是IBA的20多倍。3。

Many basic conditions for RITS development have come into being in internal railway. Research and application of RITS must be strengthened, in order to avoid the traditional development stage experienced by developed countries. It will help the promoting ofthe widely application of high-technology, the developing of relative industries,and the improving of personnel stuff.

初步具备了条件,大力加强RITS的研发和应用,不仅能避免发达国家铁路发展的传统阶段,而且可以促进大量高新技术在铁路的应用、促进相关产业的发展和人才队伍的建设,对铁路的改革、运营模式的转变和市场竞争力的提高起到巨大的促进作用

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力