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The research on the tissue culture and cell suspension culture showed that thesuitable culture medium for inducing bud was MS supplemented with 1.5mg/L 6-BAand 0.1mg/L NAA, and for the generation-continuing multiplication was MSsupplemented with 1.5mg/L 6-BA and 0.2mg/L NAA. The rooting medium was1/2MS supplemented with 0.5mg/L IBA and the rooting rate was 45.0%. Plantletsurvival after transfer to sand was 52.5%.The induction rate of calli was66.7%～86.6% and the optimum medium was MS medium with 0.5mg/L 6-BA and2.0mg/L 2,4-D. The calli became smallest partical size, friable and had gooddispersion ability after 3 times successive transfer culture, the optimum medium wasMS medium with 0.2mg/L 6-BA and 2.0mg/L 2,4-D. Culturing these particles on sixkinds of MS liquid media with different hormone contents, the optimum medium wasselected basing on he change of the density of single-cell, the density of cellaggrefate and the mass of cell.

对蒜头果进行的组织培养与细胞悬浮培养研究结果表明：MS+6-BA1.5mg／L+NAA0.1mg／L+蔗糖3％激素组合能够较好地诱导芽的初始分化和增殖，适宜的芽苗继代增殖培养基为MS+6-BA1.5mg／L+NAA0.2mg／L+蔗糖3％；采用1／2MS+IBA0.5mg／L+蔗糖3％为生根培养基，生根率为45.0％；移栽到河沙的生根苗成活率为52.5％；愈伤组织诱导率为66.7％～86.6％，其中以MS+6-BA0.5mg／L+2，4-D2.0mg／L+蔗糖3％的培养基最佳，其诱导出的愈伤组织具有较强的增殖能力和较好的脆散结构，最佳继代培养基为MS+6-BA0.2mg／L+2，4-D2.0mg／L+蔗糖3％，且培养基中的6-BA与2，4-D浓度的比值越小，愈伤组织生长越快，结构越脆散，增殖率越高；将继代后的愈伤组织转入6种含不同激素浓度组合的MS液体培养基中进行振荡培养，在综合分析各培养基的单细胞密度，细胞团块密度，细胞生物量增长率等指标后，初步筛选出MS+6-BA0.2mg／L+2，4-D2.0mg／L培养基为较好的液体培养基。

The voltage converted into 0～5 V using convering circuit can be used directly by microprocessor ,and con2 verted into digital signals by A/ D converting. So this simplifies the design of the circuits.

通过电压转换电路可以将- 10～+ 10 V 的输出电压转变成为0～5V 的电压，便于带有A/ D 转化电路的单片机系统直接进行A/ D 转换，简化了电路设计。

Soule gave command of what was designated as "Task Force Dog" to his assistant division commander, Brigadier General Armistead D."Red" Mead, a hard-driving West Pointer who had been G-3 of the Ninth Army in the European Theater in World War II.

索尔将组建的&D特遣队&交给了他的副师长指挥，即阿米斯特·D·&瑞德&米德准将，一名积极进取的西点军校毕业生，他曾经在二战期间的欧洲战场上担任过第9军的作战参谋。

Sure enough, the data indicated that higher levels of circulating vitamin D was associated with longer telomere length.

可以肯定的是，研究数据表明人体生理循环中端粒的长度与维生素D的水平有关，维生素D的水平越高，端粒的长度越长。

D. (1980), An observational and numerical study of the atmospheric boundary layer overlying the East Antartic ice sheel. Ph. D. thesis, University of Colorado.

D。 (1980)，南极东部冰原上空大气边界层的观测和数值研究，在科罗拉多大学作的博士论文。

The degradation of 2, 4-dichiorophoxyacetic acid (2, 4-D) by ozonation combined with sonication (03/US) was investigated. Based on the authors' first paper about the synergistic effect of ozone and US, this paper presents intermediate products of 2, 4-D degradation. The main intermediates were 2, 4-dichiorophenol, benzopuinone, hydroquinone and organic acids, such as maleic acid and oxalic acid and soon.

利用臭氧超声波联合工艺对苯氧羧酸类除草剂2，4-D进行降解研究，在前文探讨臭氧超声波之间协同效应的基础上，确定其中间产物种类主要有2，4-二氯苯酚、苯醌、氢醌以及小分子酸如顺丁烯二酸、草酸、甲酸、乙酸等。

The images obtained by SALS were digitally analyzed by means of Debye-Bueche scattering theory to get the corresponding structure parameters– correlation distance ac and interface layer thickness d.

利用Debye-Bueche光散射理论对在线采集到的图像进行了分析计算，得到了用于表征相结构的参数：相关距离ac和过渡层厚度d.ac可以用于描述分散相颗粒的尺寸，d可以表征共混体系的相容性。

Moreover, it is not necessary to change the circuit structure in order to realize multi-valued D flip-flop of different radixes. PSPICE simulation results verified the valid functionality and the significant low-power characteristic of the designed circuits.

最后，采用0.25μmCMOS工艺，利用PSPICE模拟验证了所设计的电路具有正确的逻辑功能，并与相同功能多值D触发器比较，多值双边沿D触发器具有明显的低功耗特性。

In analysis by quintiles, MS risk was highest among indiiduals in the bottom quintile and lowest among those in the top quintile of 25-hydroxyitamin D leels.

通过五分位数分析，接受测试的个体中，25-羟基维生素D浓度最低的五分之一中多发性硬化的风险最高，25-羟基维生素D浓度最高的五分之一发病风险最低。

France, Ecole Nationale Superieure d'art de Nancy, Diplome National d'Art Plastique

法国，法国Nancy南鍚美术学院，造型艺术文凭D.N.A.P

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。