PCD is the last stage of cell differentiation.
PCD是细胞分化的最后阶段。
Two typical sintering technologies of PCD are also introduced.
介绍了两种人造金刚石聚晶典型烧结工艺。
The PCD of starchy endosperm cells in wheat was a special form of PCD.
因此小麦淀粉胚乳细胞的PCD是一种特殊形式的PCD。
The Wheel PCD is the diameter of the studs from the centre of the wheel.
汽车轮毂PCD值是指螺栓安装孔的中心连接而成的截面圆的直径。
The brazing of PCD tools requires exact heating temperature and soaking time.
聚晶金刚石复合片刀具的焊接，严格要求加热温度和时间的参数。
PCD material is characterized by high hardness, wear resistance and high cost.
PCD材料具有高硬度、高耐磨性以及刀具刃磨成本较高等特点。
PCD is important for the formation of structure and differentiation of plants.
植物发育过程中的PCD对植物自身形态建成和组织分化有重要意义。
The average PCD in Altay region was 0.205; the average PCP was the 38.12 pentad.
阿勒泰全区汛期降水平均集中度为0.205，平均集中期为第38.12侯。
The cutting model of PCD cutting tool was analyzed and some experiments were done.
在分析PCD刀具切削模型的基础上进行了切削试验。
Experimental results have indicated that PCD tools are suitable for interrupted cut.
结果表明PCD刀具也适用于断续切削加工。
PCD tool is the best tool material for precise machining from points of the cutting force view.
从切削力这一因素来看，PCD是精加工颗粒增强铝复合材料的最佳刀具材料。
Objective:To evaluate the stability of cervical spine after PCD (percutaneous cervical diskectomy).
目的：探讨经皮穿刺颈椎间盘切除术（PCD）对颈椎稳定性的影响。
In brain after ischemia, programmed cell death (PCD) is also present in addition to neuron necrosis.
脑局部缺血后神经元损伤除通常认为的坏死外，还存在程序性细胞死亡。
Programmed cell death (PCD) is a crucial process for plants during development and environmental stress.
细胞程序性死亡是植物发育和响应环境胁迫过程中的重要过程。
The polycrystalline diamond (PCD) compact is composed of polycrystalline diamond layer and hard alloy layer.
PCD复合片由聚晶金刚石层和硬质合金层组成。
When the gene is inactivated, the plant can no longer regulate PCD, leading to cell death throughout the leaf and plant.
当这个基因被失活时，植物就不能再调节程序性细胞死亡过程，从而导致整个叶子和植物的死亡。
Programmed cell death (PCD) is a cell death process that is a normal part of the life cycle of a multicellular organism.
细胞程序性死亡是多细胞有机体生命周期中正常的组成部分，细胞程序性死亡过程的存在对生物体是一种保护机制。
Objective to evaluate percutaneous cervical diskectomy (PCD) and chemonucleolysis (CNL) in treating cervical disk herniation.
目的评价经皮颈椎间盘切除术(PCD)和化学溶核(CNL)治疗颈椎间盘突出症的价值。
Some features of PCD in plants, including the changes in cell morphology and DNA degradation, are similar to those in animals.
植物的PCD和动物的PCD有许多共性，包括细胞形态和DNA降解等变化。
However, PCD induced by m-AMSA was extensive and the number of PCD positive cells increased with prolongation of exposure time.
但安吖啶诱导两株细胞程序化死亡的细胞数都随时间延长而逐渐增加。
Objective: To study the role of cell proliferation and programmed cell death(PCD) in the temporomandibular joint(TMJ) development .
目的：探讨细胞增殖与程序性细胞死亡在颞下颌关节发育中的作用。
Ultrastructural features of nucleus degradation during programmed cell death (PCD) of starchy endosperm cells in rice ( Oryza sativa L.
淀粉胚乳细胞编程性死亡过程中核的变化特征。
The variation regularities of cutting forces of the PCD tools with different geometric parameters in turning aluminum alloy are studied.
研究了不同几何参数的PCD刀具车削铝合金时切削力的变化规律。
Autophagy is commonly observed in metazoan organisms during programmed cell death (PCD), but its function in dying cells has been unclear.
在后生动物有机体的细胞程序性死亡(PCD)中可以普遍观察到自噬现象。但它在垂死细胞的功能作用还不清楚。
But there were respective results of PCD incidence in different literatures, meanwhile, there was no study to analyze risk factors of PCD.
目前关于PCD的发病率不同文献的结果不同，也未见PCD危险因素的研究报道。
Programmed cell death (PCD) is a natural cell death controlled by certain genes, occurring commonly at certain stages of plant development.
细胞程序性死亡是在植物体的一定发育阶段普遍发生的受特定基因调控的自然的细胞死亡过程。
Based on the analysis of microstructure and removal mechanism of PCD, the mechanism of ultrasonic vibration lapping for PCD is investigated.
在分析聚晶金刚石（PCD）材料的微观结构和去除机理的基础上，对PCD材料的超声振动研磨机理进行了深入研究。
Programmed cell death (PCD) is an active and gene-regulated process which plays an important role in normal growth and development of plants.
细胞程序性死亡(PCD)是一种由基因控制的、主动的细胞死亡过程，它对植物正常生长发育起重要作用。
Programmed cell death (PCD) is an active and gene-regulated process which plays an important role in normal growth and development of plants.
细胞程序性死亡(PCD)是一种由基因控制的、主动的细胞死亡过程，它对植物正常生长发育起重要作用。
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