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The effect of polyamines on callus browning and synthesis of endogenous polyamines and enthene during the development of callus,which initiated from mature embryo of Buchloe dactyloides texoka,was studied.

以野牛草成熟胚诱导的愈伤组织为材料，研究了外源多胺对愈伤组织褐化的影响及愈伤组织不同生长时期内源多胺和乙烯合成代谢规律。

AIM: To investigate alteration and cross link of the aortic and platelet endogenous L-arginine/NOS/NO pathway induced by septic shock. METHODS: The septic shock model was made in rats by caecal ligation and puncture.

目的：观察感染性休克对大鼠血小板及血管L-精氨酸/一氧化氮合酶/一氧化氮通路的影响及其相互联系，探讨感染性休克损伤的机制。

Part IIMorpholino-mediated translational inhibition and overexpression oftbx2 in zebrafish cardiogenesis Objective To elucidate the role of tbx2 in zebrafish cardiogenesis via morpholino-mediated translational inhibition and overexpression on the base of expression pattern of tbx2. Methods Gene-specific antisense morpholino oligonucleotides were designed to against ATG region of zebrafish tbx2 to knockdown endogenous tbx2 gene.

设计tbx2-MO和对照MO，在斑马鱼受精卵的单细胞期，进行不同浓度的显微注射，并通过荧光蛋白融合标记实验和tbx2-mRNA、tbx2-MO共注射拯救实验，验证tbx2-MO抑制tbx2基因表达的有效性和特异性；基因过表达是通过给斑马鱼受精卵注射体外合成的tbx2-mRNA，来研究tbx2基因功能获得对斑马鱼胚胎心脏发育的影响。

We focus primarily on central targets, highlighting selected strategies to stimulate endogenous catabolic signals or inhibit anabolic signals.

我们首先集中关注主要目标，突出选择策略去刺激分解代谢或抑制合成代谢信号。

Secondly,the dissertation observes and studies the three molds of capitalistmodernization,i.e.the predevelopment endogenous modernization represented by theUnited States and the Great Britain,the sequent exogenous modernization representedby Japan and the cenogenetic exogenous modernization represent by the"Four LittleDragons"of Asia.

其次，考察了资本主义现代化的三种不同类型，即以英美法为代表的早发内生型现代化，以日本为代表的后发外生型现代化以及亚洲&四小龙&为代表的新发外生型现代化。

And most of the endogenous rivers, the seasonal river ducks River was also evident, Jiaying winter blight and October each year down to the following year in May, the low-water ducks, some sections of riverbed revealed, forming numerous shoals, shallow water, deep water, the duck turned into a big river wetlands in river system, but also a large number of wild ducks therefore category Charadriiformes placing of wintering waterfowl and birds of prey, and the movement of supplies to.

和大多数上源性河流一样，鸭子河河水的季节性也很明显，夏盈冬枯，每年十月以降，至次年五月，鸭子河水位低落，部分河段河床显露，形成无数滩涂、浅水、深水区域，整个鸭子河变成一大的河流湿地系统，也因此成为大量雁鸭类鸻鹬类水鸟及猛禽的越冬地及迁徙补给地。

Tracing the hydrolysate of spinach endogenous chlorophyllase by HPLC, it was found that the effect of rare earth on the chlorophyllase activity or the hydrolysis activity of chlorophyllase on La-pheophytin was not remarkable; but La-pheophytin could accelerate the oxidation degradation of chlorophyll in spinach.

此外，用HPLC跟踪菠菜中叶绿素酶水解活性的结果显示：稀土离子对叶绿素酶的水解活性的影响并不显著；同样叶绿素酶对镧叶绿素的酶水解活性也不明显，然而，镧叶绿素可以催化叶绿素氧化降解。

It is concluded that the negative chronotropic effect and the decrease in APD induced by hypoxia may be attributed to the activation of K〓 channel and the release of endogenous ET.

上述结果表明，缺氧所致起搏细胞的负性频率作用和APD缩短，与〓通道的激活和内源性ET-1的释放有关。

It is conclud ed that the negative chronotropic effect and the decrease in APD induced by hypoxia may be attributed to the activation of K_channel and the release of endogenous ET.

上述结果表明，缺氧所致起搏细胞的负性频率作用和APD缩短，与KATP通道的激活和内源性ET-1的释放有关。

To explore the effects of endogenous plant hormones in the flowers on seed development of Coptis deltoidea C.

探索三角叶黄连和峨眉黄连花的内源性激素对种子形成的影响。

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。