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Effects of tannin extracted from Casuarina equisetifolia branchlets on the growth and tannin contents of its seedlings were studied. The tannins extracted from C.

以短枝木麻黄小枝中提取的单宁处理其幼苗,探讨其化感作用及其对幼苗单宁含量的影响。

Clipse has recently released a new single to there upcoming album release "Hell Hath No Fury", what makes it interesting is Slim Thug plays a very prominant role in the single..

clipse日前发布了新专辑即将发布单以有&地狱不怒火上帝之子&什么轻松有趣的可能性不大暴徒起着非常突出的作用,在单。。

Based on the problem of various types of catalyst and according to the features of carbonylation catalysts reactions, our team has been designed a series of new metal complexes of benimidazoles, which can be used for carbonylation catalyst of industry. Seven new benzimidazole derivatives were prepared by the o-phenylenediamine、oxalic acid、glycolic acid、monomethyl monopotassium malonate、ethyl cyanoacetate、succinic anhydride. The structures of them were confirmed by IR、Elemental analsis. The crystal structures of d and e were determined by X-ray single crystal diffraction of Germanic Bruker Smart APEX II CCD. The catalysis of them was tested by carbonylation reactions.

本文设计以邻苯二胺和草酸、羟基乙酸、丙二酸单甲酯、氰基乙酸乙酯、丁二酸单甲酯为原料采用PPA催化和无机酸催化法,合成了4种苯并咪唑-2-羧酸衍生物并进行了表征;培养了2个化合物d、e的晶体并测定和讨论了晶体结构;制备了3种未见报道的苯并咪唑金属配合物,对配合物在羰基化法制醋酐-醋酸反应的催化作用进行了初步试验。

Strut-graft with an appropriate distraction after corpectomy plays an important role not only in regain and maintain the cervical spine lordotic curvatures but also in acquire the global immediate stability of the cervical spine. After single vertebra corpectomy, the proper range of distraction between the superior and inferior vertebra maybe among 4-6 millimeters.

中下颈椎单椎体次全切除减压后,适当高度的撑开植骨对恢复和维持颈椎曲度以及手术节段的即刻稳定性有重要作用,中下颈椎单椎体次全切除减压后支撑植骨的高度应该是在手术椎体的上位和下位椎体间高度的基础上再撑开4~6mm左右。

D2 hydantoinase (EC3151212) can change the D type racemates of the racemic D,L252 monosubstituted hydantoin to D2N2 carbamoylase, and the leftover L252 monosubstituted hydantoin due to never reacted with D2 hydantoinase, shown as figure 1, firstly racemizing, thus makes the D,L2 hydantoin completely changes to pure optical D2N2 carbamoylase, and then be changed to D2 amino acid.

海因酶具有底物特异性,D2海因酶(EC 3151212)可转化外消旋的D ,L252单取代海因中的D型消旋体成为D2N2氨甲酰氨基酸,剩余的L252单取代海因由于完全不被 D2海因酶所作用,如图 1所示,先进行消旋,从而使得 D ,L2海因完全转化为光学纯的 D2N2氨甲酰氨基酸,并进一步被转化为D2氨基酸。

3The values of AEMG of the contralateral multifidus were higher than ipsilateral during trunk axial rotation;(4) During the trunk flex to 45 and 65 degree position, the AEMG of lumbar multifidus and erector spinae muscles were higher than the other degree and there was significant difference.(Experiment 2)(1)The AEMG of the lumbar multifidus and erector spinae were influenced by load levels, load ways and road conditions during the walking.There was significant interaction between load levels and load ways.

(1) 负荷等级、负荷方式及路面条件对行走过程中腰部竖脊肌和多裂肌AEMG具有显著影响,且负荷等级与负荷方式之间交互作用显著;左手负重行走时腰部竖脊肌AEMG与右手负重时不存在显著差异,但背部负重时的竖脊肌AEMG值明显小于单侧手负重时的AEMG值;(2)多裂肌的AEMG值在不同负重方式下行走时均无显著差异;(3)路面条件对腰部肌肉AEMG值具有显著影响,上楼时腰部竖脊肌、多裂肌的AEMG值显著大于平地和下楼时的AEMG值;(4)单侧手持负荷且当负荷等级达到一定水平时,腰部竖脊肌和多裂肌对侧的AEMG值显著大于同侧。

Diode pumped monolithic nonplanar ring laser has the advantages of compactness, reliability and high efficiency.

激光二极管抽运的单块非平面环形腔固体激光器具有结构稳固、效率高等优点,在一定的纵向磁场作用下,可形成单向行波振荡,纵向抽运时就可得到较高功率的单频输出,有广泛的应用前景。

The advantages of dual grafts for bridging defects are as follows:(1) mechanical fixation is better than fixation by a single onlay bone graft;(2) the two grafts add strength and stability;(3) the grafts form a trough into which cancellous bone may be

双侧植骨桥接骨缺损的优点包括:①机械固定作用比单侧贴附植骨更好;②双侧植骨可增加强度和稳定性;③双侧的植骨可形成一骨槽,可在其中压紧松质骨;④与单侧植骨不同,双侧植骨在愈合过程中可防止挛缩的纤维组织危害移植的松质骨。

The adantages of dual grafts for bridging defects are as follows:(1) mechanical fixation is better than fixation by a single onlay bone graft;(2) the two grafts add strength and stability;(3) the grafts form a trough into which cancellous bone may be packed; and (4) during healing the dual grafts, unlike a single graft, preent contracting fibrous tissue from compromising transplanted cancellous bone.

双侧植骨桥接骨缺损的优点包括:①机械固定作用比单侧贴附植骨更好;②双侧植骨可增加强度和稳定性;③双侧的植骨可形成一骨槽,可在其中压紧松质骨;④与单侧植骨不同,双侧植骨在愈合过程中可防止挛缩的纤维组织危害移植的松质骨。

Erwinieae, Plesiomonas, Aeromonas bacteria lived as endophytic bacteria during the first three period, these dominantbacteria led to important action in the chemical components degrading of sugar, starch , protein, pectin and the conversion from nitrate to nitrite, and this was the basic of aging. The dominant bacteria during aging was sporeformer which had high resistance.

欧文氏菌属、邻单胞菌属、气单胞菌属细菌作为内生细菌在前三个时期一直存在,这些优势菌在烟叶这三个时期的糖类、淀粉、蛋白质、果胶质、等化学成分的降解和硝酸盐到亚硝酸盐的转化中可能起到重要作用,对烟叶陈化初期质量打下基础。

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推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。