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OBJECTIVE:Annonaceous acetogenin and its principles including bullatacin and atemoyacin-A were obtained from atemoya plant.

目的：探讨阿蒂莫耶番荔枝总内酯及其单体bullatacin和atemoyacin-A克服肿瘤多药抗药性的作用及其机制。

The interaction between a plant resistance gene and the corresponding avirulence gene of the pathogen triggers a series of defense responses.

细胞主动参与的死亡即程序化死亡现象普遍存在于各种生物中，并贯穿于生物体生长发育的全过程。

Sixteen compounds were separated from 80% ethanol extract of Plant A, they were:-lariciresinol,-isolariciresinol,-isolariciresinol 9-O-β-D-glucopyranoside, tanegoside B, apiginin, apigenin 7-O-β-D-glucoside, apigenin 7-O-β-neospheroside, quercetin 3-O-β-D-glucopyranoside, 1, 7-dihydroxy-3, 4-dimethoxyxanthone, 3-O- [α-L-rhamnopyranosyl (1-4 ] -β-D-glucopyranoside-(25S)-5β-spirostan-3β-ol , 3β-O-D-glucopyranoside quinovic acid, mangiferin , 3'-p-hydroxybenzoyl-mangiferin, physcion, benzenyl methanol β-D-glucopyranoside and Vanillic acid.

结果： 1。从植物A的80％乙醇提取物中共分离得到16个化合物，分别为：-落叶松脂醇、-异落叶松脂醇、异落叶松脂醇9-O-β-D-吡喃葡萄糖苷、tanegoside B、芹菜素、芹菜素7-O-β-葡萄糖苷、芹菜素7-O-β-新橙皮糖苷、槲皮素3-O-β-D-吡喃葡萄糖苷、1，7-二羟基-3，4-二甲氧基-口山酮、菝葜皂苷元-3-O-[α-L-吡喃鼠李糖基（1-4）]-β-D-吡喃葡萄糖苷、喹诺酸3β-O-D-葡萄糖苷、知母宁、3′-对羟基苯甲酸-知母宁、大黄素甲醚、苯甲醇-β-D-吡喃葡萄糖苷、香草酸。

The physiological and biochemic alanalysis of transgenic plants showed that there were little difference to chlorophyll contents and ratio of chl a to chl b between the WT and transgene plant of Arabidopsis.

转基因拟南芥的生理生化分析显示，反义Psrp-3基因的转化对拟南芥的叶绿素含量和叶绿素a/b比值的影响较小。

A plant of the Bryophyta, a division of photosynthetic, chiefly terrestrial, nonvascular plants, including the mosses, liverworts, and hornworts.

苔藓植物苔藓植物门的植物，需要光合作用的多为陆生的非维管束植物的一支，包括苔藓、地钱和金鱼藻

"Bryophyte:a plant of the Bryophyta, a division of photosynthetic, chiefly terrestrial, nonvascular plants, including the moss es, liverworts, and hornworts."

苔藓植物：苔藓植物门的植物，需要光合作用的多为陆生的非维管束植物的一支，包括苔藓、地钱和金鱼藻。

Crispate were studied. when Cr(superscript 6+) was more than 5 mg/L, the plant height, leaf area, yield and the ratio of chlorophyll a/b obviously were decreased with the increase of Cr(superscript 6+) concn.

结果］当Cr(上标 6+)浓度＞5mg/L时，皱叶留兰香株高、叶面积、产量及叶绿素a/b比值随着Cr(上标 6+)浓度的升高而明显下降。

In order to developing a plant regeneration system of Diospyros oleifera Cheng thereby establish a foundation for transformation, shoot regeneration and rooting from leaf explants were studied.

以油柿叶片为材料开展了离体培养研究，旨在建立其再生体系，为转基因操作奠定基础。

Macintosh , the son of a well known dyemaker , developed an early interest in chemistry and science and by 20 was already running a plant producing ammonium chloride and Prussian blue dye .

麦金托什是一位出名染匠的儿子，早年对化学和科学产生了兴趣，到了20岁，就已经开始经营一家生产氯化铵和普鲁士蓝染料的工厂。

Have a plant area of 6000 square meters, with four-color, two-color Roland printing presses, automatic die-cutting machine, automatic machine, automatic paper mounting machine, grinder, folder gluer, such as a set of printing equipment, in the design of the production the better film, plate skilled personnel, computer and automatic punching machines and other copy-plate equipment, able to exert the maximum effect of the printing.

拥有厂房面积达六千平方米，拥有四色、双色罗兰印刷机、自动模切机、自动过胶机、自动裱纸机、磨光机、糊盒机等一整套印刷设备，在设计制作菲林上更胜一筹，技术精湛的制版人员，电脑和自动拷贝冲片机等制版设备，能最大限度的发挥印刷的效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。