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- 程序性细胞死亡(PCD)programmed cell death
- PCD槽刀加工工艺过程的探讨DISCUSSION ON THE TECHNOLOGY OF PCD SLOTTED CUTTER
- 小直径PCD麻花钻头电火花磨削加工系统的研制Development of EDG System for Small Diameter PCD Twist Drills
- 钎料、钎剂对PCD刀具焊接性能的影响Study on the Effect of Brazing Alloy and Soldering Acid to the Weld Property of PCD Cutter
- 基于单片机加压控制的PCD复合片真空扩散焊接Vacuum diffusion bonding of PCD compound piece base on microcontroller pressure
- 发动机活塞销孔精镗加工用PCD镗刀和精密微调镗杆PCD Boring Tool and Fine Adjustment Boring Bar Used in Precision Finishing Pinhole of Engine Piston
- 水稻胚乳细胞PCD中的去核化及酶活性动态与稻米品质的关系Relationship of Rice Quality and Dynamics of Enzyme Activities during the Denucleation Development of Rice Endosperm Cell PCD
- PCD刀具后刀面刃磨质量对切削表面质量及刀具寿命影响的试验研究Experiment and Study on Influence of Flank Surface Quality of PCD Cutting Tool on Machined Surface Quality and Cutting Tool Life
- 本论文由四个章节组成:(1)前言,(2)高容量电化学抑制柱的制备,(3)高容量电化学抑制柱的应用,(4)PCD-1型离子色谱仪的初步研制。This dissertation consists of four chapters:(1) foreword (2)the preparation of high performance electrodialytic membrane suppressor for ion chromatography (3)the applying of the high performance electrodialytic membrane suppressor for ion chromatography (4) the introduction to the preparation of PCD-1 ion chromatography instrument.
- CED-9是发育PCD的负调控基因,本课题将CED-9基因通过根癌农杆菌(Agrobacterium tumefaciens)EHA105介导转化烟草和水稻,获得以下结果:In this paper, we transferred CED-9 gene, an anti-apoptosis gene, into tobacco and rice by Agrobacterium tumefaciens EHA105. The results are showed as follows:
- 基于数控电火花磨削加工机床,研制了用于加工小直径PCD麻花钻头的数控螺旋伺服进给加工系统,介绍了系统的加工原理、机械系统和伺服控制系统的设计方法。Based on NC electrical discharge grinding (EDG) machine, the NC spiral servo feed system for machining small diameter PCD twist drills machining system is developed. The machining principle of this system, designs of the mechanism and the servo control system are introduced.
- 本文用地塞米松(DEX)与裸鼠脾细胞共培养,发现DEX能有效地诱导脾细胞(包括NK细胞)发生细胞程序性死亡(programmedcelldeath,PCD)或凋亡(apoptosis)从而明显抑制脾NK细胞活性。Dexamethasone(Dex) can effforvely induces apoptosis(or programmed cell death, PCD)in nude mice(NM) spleen cells and inhibits the natural killer oell activity.