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The typical apoptotic morphological features appeared in MUTZ1 cells treated with 4 mmol/L VPA for 72 hours. Pyknosis of cells and nuclei, disintegration of nuclear chromatin and apoptotic body could be observed by light microscopy. Aggregation and margination of nuclear chromatin, concentration of plasm, increment of density and chromatin mass of irregular size could be observed by transmission electronmicroscope. The flow cytometric analysis indicated that the VPA could induce cell apoptosis, apoptosis rate increased in dosedependent manner, ratio of cells at G0/G1 phase increased and ratio of cells at S phase decreased in dosedependent manner, the cells were arrested at G0/G1 phase.

结果显示： VPA对MUTZ1细胞的生长抑制作用呈现时间和剂量依赖性；经4 mmol/L VPA处理MUTZ1细胞72小时后，细胞呈现典型的凋亡形态特征，光学显微镜下可见凋亡细胞胞体固缩、核固缩、核碎裂及凋亡小体；透射电子显微镜下可见凋亡细胞核染色质边集、胞浆浓缩、密度增加，胞浆内大小不规则的染色质团块；流式细胞术结果表明，细胞凋亡率随着VPA浓度的增加而逐步增高，G0/G1期细胞比例随着VPA浓度的增加而逐渐增多，S期细胞比例逐渐减低，细胞被阻滞在G0/G1期。

The typical apoptotic morphological features appeared in MUTZ-1 cells treated with 4mmol/L VPA for 72hours. Pyknosis of cells and nuclei, disintegration of nuclear chromatin and apoptotic body could be observed by light microscopy. Aggregation and margination of nuclear chromatin, concentration of plasm, increment of density and chromatin mass of irregular size could be observed by transmission electronmicroscope. The flow cytometric analysis indicated that the VPA could induce cell apoptosis, apoptosis rate increased in dose-dependent manner, ratio of cells at G0/G1 phase increased and ratio of cells at S phase decreased in dose-dependent manner, the cells were arrested at G0/G1 phase.

结果显示：VPA对MUTZ-1细胞的生长抑制作用呈现时间和剂量依赖性；经4mmol/LVPA处理MUTZ-1细胞72小时后，细胞呈现典型的凋亡形态特征，光学显微镜下可见凋亡细胞胞体固缩、核固缩、核碎裂及凋亡小体；透射电子显微镜下可见凋亡细胞核染色质边集、胞浆浓缩、密度增加，胞装内大小不规则的染色质团块；流式细胞术结果表明，细胞凋亡率随着VPA浓度的增加而逐步增高，G0/G1期细胞比例随着VPA浓度的增加而逐渐增多，S期细胞比例逐渐减低，细胞被阻滞在G0/G1期。

Some of the cells were as followed:nuclus chromatins were side,nuclear type had several notches,nuclear membranes were clear. 4. The cells that are stained by 1% iodinate tritroche can be observed by fluorescence microscope: Control group:the conformation of nucleous is satiation and present a yellow red color of fluorescence. 1000 U/mlγ- IFN+1μmol/1 ATRA group: the nucleous of most cells are presenting karyopyknosis,becoming punctuate or massiveness and concentrating at one side of the cell to form crescent shape or granular shape.

进一步进行组间比较：实验组与对照组细胞相对抑制率差别均具有显著性(p=0.000＜0.01)。1000U／mlγ-IFN+0.1μmol／l ATRA组与1000 U／mlγ-IFN+0.5μmol／l ATRA组细胞相对抑制率差别无显著性(p=0.391＞0.05)。1000U／mlγ-IFN+1μmol／l ATRA组与1000U／mlγ-IFN+0.1μmol／l ATRA组、1000 U／mlγ-IFN+0.5μmol／l ATRA组细胞相对抑制率差异具有显著性(p=0.000＜0.01)；而与1000 U／mlγ-IFN+5μmol／l ATRA组、1000 U／mlγ-IFN+10μmol／l ATRA组细胞相对抑制率差异无显著性(p值分别为0.294，0.536＞0.05)。

As a matter of policy the Defense Department does not confirm the location of nuclear weapons, but Kristensen and other private nuclear experts said the fleet of more than 400 Advanced Cruise Missiles is located at the only two B-52 bomber bases: Minot Air Force Base, N.D., and Barksdale Air Force Base, La.

作为一项政策，国防部不证实所在地核武器但专家说核登森和其他私人车队400多名先进巡航导弹位于只有两名的B-52轰炸机基地：迈诺特空军基地、百合、巴克斯空军基地图解

Studies on mouse nuclear transfer with compacted morula blastomeres as donors In this study, C57BL/6 mouse morulae blastomeres and Kunming white mouse MⅡoocytes were used as donors and recipients, respectively, to investigate the effects of different sucrose concentration on the manipulation time of nuclear transfer, and the in vitro development of reconstructed embryos.

以致密桑椹胚卵裂球为供体克隆小鼠的研究该研究以C57BL/6 小鼠致密桑椹胚卵裂球为供体、昆明白小鼠MⅡ期卵母细胞为受体，研究了不同蔗糖浓度对核移植操作时间及重构胚体外发育的影响。

LEK gives out thenuclear data from ENDF/B-IV format files as the input data of KQCS automati-cally. LEK makes it possible to generate the fast reactor multigroup constantsfrom Chinese Evaluated Nuclear Data Library in Chinese Nuclear Data Center.It is possible now for CNDC to make benchmark testing for CENDL.

LEK取数既准确又节省大量的人力，改变了KQCS程序需手工输入上万个核数据的繁烦、落后局面，使中国核数据中心用计算机计算大量核素的快中子反应堆多群常数成为可能，为检验中国评价核数据库创造了条件。

The lead (PbI2 iodine) material is an n-type semiconductor materials, the probe into energy high resolution, linear response, pulse rise time is short, simple structure, high efficiency and low detection, convenient operation, in nuclear physics experiment and research aspects are widely used in nuclear science and technology, and many of the application of gas detector and instead of the counter.

碘化铅(PbI2)材料是一种n型半导体材料，制成的探测器能量分辨率高、线性响应好、脉冲上升时间短，结构简单、探测效率高、偏压低、操作方便的特点，在核物理实验和研究方面得到了广泛的应用，并在核科学技术的许多应用中代替了气体探测器和闪烁计数器。

By systematically analyzing the single particle level and the occupation probability near the Fermi surface,and the rule of nuclear particle number deviations with proton numbers for N =8,20,28,50,82,126 neutron chains within the relativistic mean-field model with BCS theory,we have discussed the stability of the shell structure for the traditional neutron magic in the whole range of nuclear spectrum from neutron line to proton line,and predicted that traditional neutron magic number effect shall possibly disappear only in light neutron-rich nuclei.

在考虑了BCS理论的相对论平均场模型框架内，通过系统研究 N =8，20，28，50，82和126六条同中子素链中每个元素费米面附近的单粒子能级间隔、粒子数占有概率比以及原子核体系的粒子数偏离随质子数的变化规律，讨论了传统中子幻数的壳结构在从中子滴线区到质子滴线区整个核谱上的稳定性，预言只有在轻核的丰中子区域，传统的中子幻数效应才可能消失，并把计算结果和最近的文献报道作了比较。

But it will demonstrate that the United States is living up to its Nuclear Nonproliferation Treaty obligation to work toward nuclear disarmament.

但是，它将表明美国奉行《不扩散核武器条约》的义务，在为核裁军作出努力。

Article Four of the Nuclear Nonproliferation Treaty guarantees nations the right to pursue nuclear research for peaceful purposes.

条不扩散核武器条约四个保证国家的权利，追求和平目的的核研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。