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CoCl2 (a chemical hypoxia-mimetic agent) was used to establish the chemical hypoxia-induced PC12 cell injuries model. Sodium hydrosulfide was used as a H2S donor. The viability of PC12 cells was measured by CCK-8 assay. The percentage of apoptotic cells was assessed by propidium iodide stain flow cytometry. The morphological change of apoptotic cells was tested by using the chromatin dye Hoechst 33258. The mitochondrial membrane potential was analyzed by rhodamine 123 staining and photofluorography. The level of reactive oxygen species in PC12 cells was measured by DCFH-DA staining and photofluorography.

应用化学性缺氧模拟剂CoCl2在PC12细胞建立化学性缺氧损伤模型；以硫氢化钠作为H2S的供体；应用CCK-8比色法检测细胞存活率；碘化丙啶染色流式细胞技术检测细胞凋亡率；Hoechst33258染色检测细胞凋亡的形态学变化；罗丹明123(Rh123)染色荧光显微镜照相检测细胞线粒体膜电位；2'，7'-二氯荧光黄双乙酸盐染色荧光显微镜照相检测细胞内的活性氧水平。

As well as adding the special Niseko features, the generous standard equipment of the donor vehicles ensures that buyers can enjoy: driver's seat height adjustment, electric windows, central locking, MP3-compatible radio/single CD player with six-speaker audio system, climate control air-conditioning, stainless-steel scuff plates, twin chrome exhaust tail pipes and a Thatcham Category 1 alarm and immobiliser.

以及添加新雪谷的特殊功能，慷慨的捐助者车辆的标准配置，确保购买者可以享受：驾驶员座椅高度调节，电动车窗，中央门锁，MP3兼容无线电/有6个单CD播放器，喇叭音响系统，气候控制空调，不锈钢防擦板上，双镀铬排气尾管和撒卡曼第一类报警和锁止。

This simple method can solve both donor shortage and immunosuppression problems.

这一简单方法既解决了供者气管缺乏问题，又能解决免疫抑制问题。

Cell-cycle synchronization between the donor cell and recipient oocyte determines the embryo development in nuclear transfer. In the present study, we microinjected primary spermatocyte into the perivetelline space of oocyte. 37% pairs fused after electric stimuli and the resulting oocytes were culture for 2 h in MEM with or without CB.

在本研究中，我们将小鼠的初级精母细胞显微注入MI卵母细胞的透明带下，经直流电脉冲作用后有37％的初级精母细胞融入卵母细胞，然后将融合的卵母细胞分成两组在MEM和含有CB的MEM培养液中分别培养，2小时后将在CB培养液中培养的卵母细胞转入正常培养液中。

HHD is a better selection for hemodilution and is good for protection of lung. Lung water,extravascular;Kidney transplantation,Donor;Laparoscopy

不同的血液稀释状态对全麻腹腔镜活体肾移植供体围手术期血管外肺水产生不同的影响，静脉输注琥珀酰明胶20ml/时高容量血液稀释可产生良好的扩容效果，并且利于肺脏的保护。

Donor maize plants grown in the fields was used as experimental materials, study of technique optimization was made mainly for improving freq. of microspore survival and ELS formation.

以大田种植的玉米供体植株为实验材料，以提高游离小孢子存活率及成胚率为重点进行了技术优化研究。

Because the rate of ET and HT reactions is determined by the coupling term J, and in long range ET and HT systems the degeneracy of the π orbitals of donor and acceptor is lifted through mixing with the bridge orbitals of appropriate symmetry by an amount △E. Because the △E splittings are proportional to electronic coupling, so we can use the static quantity △E to exploring the dynamic quantity J, and to make a detailed study on the microscopic influence of coupling mechanism in ET and HT process.

由于电子转移和空穴转移反应速率的大小决定于反应的耦合因子，在长程电子转移和空穴转移体系中，给体和受体的简并π轨道由于与饱和桥之间的TB作用而产生一定的分裂能，此分裂能又与耦合因子的数值成正比，因此，我们可以用静态的分裂能数值间接地表征动态的耦合因子，从而详细研究电子转移和空穴转移过程中耦合机理的微观影响因素。

The process that led to Dolly began with the transfer of the nucleus of an adult cell to an unfertilised egg taken from a donor animal by a process known as cell fusion.

多利诞生的过程是这样开始的：通过一个叫细胞合成的过程，把一个成体细胞核移植到一个取自供体动物的未受精的卵子上。

It was also pointed out that azo dye reduction occurred mainly under anaerobic condition. Different electron donor resulted in different decolourization rate.

指出厌氧偶氮还原是偶氮染料还原的主要形式，电子供体不同脱色效率不同。

Not only have the recipients and the donor not progressed to disease for 15 years," marvels molecular biologist Nicholas Deacon of Australia's Macfarlane Burnet Centre for Medical Re-search,"but the prediction is that they never will.

伯奈特医学研究中心的分子生物学家迪肯啧啧称奇：&捐血人与输血人不仅15年来没有发病，而且应该永远不会发病。&

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。