碱的

In this chapter, the folate-EDA was covalently connected with heparin- campotothecin by carbodiimide activation to get a folate-heparin-campotothecin conjugate.

以乙二胺作为连接臂，通过酰胺键将氨基化的叶酸与肝素-喜树碱复合物连接起来，制备了一种叶酸偶联的肝素-喜树碱复合物。

Objective: To investigate the anti-colon cancer effects of alkaloids from Coptis root and possible molecular mechaism.

目的： 观察黄连总碱和小檗碱对结肠癌的防治作用，并探讨其可能的作用机制。

To prevent the damage of concrete containing reactive dolomitic rocks, high volume of admixtures must be incorporated into low alkali cement concrete.

为防止碱-碳酸盐反应膨胀破坏，必须在采用低碱硅酸盐水泥的同时掺加大量的混合材。

The different dose of OMT and SOP can produce different influences on the epileptiform activity induced by penicillin.

不同剂量的氧化苦参碱和槐定碱对癫痫具有不同的影响。

Water in that is not only a direct factor, but also play a dynamic role to control the change of Suaeda heteroptera Kitog.

水资源在其中不仅直接影响到碱蓬生境的咸淡水比例，同时也通过水动力条件间接控制着碱蓬的消长。

Compared with the dicot, the monocots preferred GC-rich tri- and hexa- motifs very much, especially in rice where 23.6 CCG motif occurred in 100kb ESTs.

与双子叶植物大豆相比，单子叶植物似乎更偏好富含GC的三碱基和六碱基重复单元，特别是水稻中平均每100kb EST就有23.6个CCG类型的SSR出现。

Methods The rat stress gastric ulcer models induced by ethol and burned acetic acid were established and the effect of arecoline hydrobromide on the secretion of gastric acid and pepsase in rats was observed.

方法用化学测定法观察氢溴酸槟榔碱对大鼠胃液胃酸、胃蛋白酶分泌的影响；采用小鼠应激性胃溃疡模型、大鼠乙醇型胃溃疡模型和乙酸灼烧型大鼠胃溃疡模型来观察氢溴酸槟榔碱对胃溃疡动物模型的作用。

After discussion of the relationship among idioblastic cells,tolerance to abiotic stress and betaine,the author thought the reason of transgenic plants having an increased number of idioblastic cells was that BADH was introduced and much betaine might be synthesized.

通过对异形细胞、植物抗逆性、甜菜碱三者之间的关系讨论，认为转基因植株异形细胞数量多是由于BADH基因的导入可能合成了较多甜菜碱。

Was a shallow tree, whereas a high density was distributed below 30cm. Reverse succession of wetland communities, generally, from Imperata cylindrical community, Tamarix chinensis community Suaeda salsa community to bare land. If the ground was perennial water and abundance of seasonal water , the reed community replaced Imperata cylindrical community Tamarix chinensis community and Suaeda salsa community.

逆向演替的湿地群落，一般由白茅群落、柽柳群落、翅碱蓬群落向光板地方向进行，但如果生境地势低洼，常年积水或季节性积水较多，白茅群落、柽柳群落、翅碱蓬群落由于不能忍受经常性的积水危害，会逐渐被芦苇群落取代。

The sequence difference of cytochrome b gene between Lipotes vexillifer and Inia geoffrensis is 17.18%(56/326bp), and between L.

白暨豚与亚河豚间的序列差异为17.18％(56／326碱基)，与江豚之间的差异为15.03％(49／326碱基)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。