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Result: The inductivity of leaves was the highest about 87.5%,followed with the stem section and leafstalk;The inductivity of nutrient medium such as MS,B5 callus was higher than the on...

结果:叶片的诱导最高,为87.5%;茎段次之,叶柄较差;培养基MS,B5愈伤组织诱导较高,达到了80%以上,高于培养基H,SH和改良W h ite的愈伤组织诱导;偏低的pH对愈伤组织生长有利,出愈高,但从愈伤组织生长质量方面看,不同pH差异不明显;愈伤组织诱导最适温度为25℃。

The ethanol yield after steam pretreatment of the lespedeza stalks at 210 ℃ was 59.3 %,72.8 % and 62.2 % of theoretical yield when the residence time was 2, 4 and 6 min, respectively, whereas the highest yields from α cellulose were 92.7 % of theoretical yield.

其乙醇的产分别是理论产的59.3 %,72.8 %和62.2 %(未爆破处理的胡枝子茎杆乙醇产为理论产的16.4 %)。

But incineration of the electroplating sludge can get remarkable mass decreasing rates as more than 68% for original sludge and more than 30% for exsiccated sludge and high temperature can effectively reduce the lixiviation of heavy metals, but even the lowest lixiviation of Chromium is much higher than the national standard.

焚烧温度、时间和气氛对重金属的析出规律影响各不相同,Ni是唯一没有检测到析出的重金属,Cr的析出随着焚烧时间的增加而略有提高,Zn、Cu和Pb的析出变化规律比较接近,析出随着温度的增高而增大。

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组细胞相对抑制差异无显著性(p值分别为0.294,0.536>0.05)。

Results In 40 cases of maxillofacial fractures,85 fractures were defined by clinical diagnosis and 11 cases were fractures of maxilla.

在对85处骨折的显示中,MPR的显示为81.2%(69/85),SSD的显示为88.2%(75/85),VR的显示为96.5%(82/85),3种方法联合使用的显示为98.8%(84/85)。

The results indicate that the different concentrations of alum can induce high frequency of micronucleus and chromosome aberration.

结果表明,不同浓度明矾在不同处理时间内均能诱发较高微核和染色体畸变,且在同样的条件下,蚕豆根尖细胞的微核和染色体畸变明显高于大蒜的(p.01或p.001)。

Twenty multiparous healthy holstein cows with similar milk period and similar milk yield were randomly assigned to one of five treatments(4 cows per treatment) in 52 d trial. The control diet consisted of 60% forage (Corn silage,Chinese wildrye and alfalfa hay)and 40% concentrate on a dry matter basis,fed as a total mixed ration.

Giesy(2002)研究每天每头奶牛日粮中添加CLA50、100 g,结果发现乳脂分别降低29%和34%;乳脂从3.35%降低到3.34%需要3 g CLA,而从2.4%降低到2.3%则需要31.8 g CLA,说明每天添加50 g CLA降低乳脂从经济方面来讲比较合理,但乳脂降低还没有达到最大化。

The topographical parameters have been analyzed by taking into account the thermal effect during the friction process. As the results, three kinds of typical topographical features have been observed for the worn surfaces of C G iron with various P content. Namely, C G iron with 0.05% P, 1.30% P, and 0.70% P show worn surfaces characterized by groove ridge, peak pits and their combined topography. The C G iron specimen with peak pits type worn surface topography showes the lowest wear rate and highest friction coefficient, while that with groove ridge type worn surface topography shows the highest wear rate and lowest friction coefficient. The groove ridge type worn surface has a relatively large value of surface height deviation and void volume ratio and negative large value of skewness, which is contrary to the peak pits topography.

结果表明:度销磨损表面主要呈现犁沟型、孤岛型及二者的混合型3种形貌特征,其中具有孤岛型磨损表面形貌特征的试样的摩擦系数较高,磨损较低;而具有犁沟型磨损表面形貌特征的试样的摩擦系数最低,磨损最高,分析表面形貌参数发现:犁沟型表面形貌具有最大的表面高度偏差和表面空隙及高负值的表面高度分布参数;而孤岛型表面形貌的表面高度偏差和表面空隙最小,表面高度分布参数为高正值。

These observations show that reprogramming is easier in interspecific embryos reconstructed with ES cells than that reconstructed with somatic cells, and that ES cells have the higher ability to direct the reconstructed embryo development normally than fibroblast cells. Oocytes were reconstructed with outbreeding Kunming albino mouse ES cells and enucleated rabbit oocytes, and the effects of the passages of ES cells and 6-DMAP on the development of interspecific reconstructed oocytes were analyzed. The interspecific reconstructed ES-rabbit oocytes were activated either by combined two set electric pulses and 6-DMAP or by two set electr

以上结果显示,6-DMAP能增加胚胎干细胞异种重构卵的卵裂,对重构卵囊胚的发育影响不大;高培养代数和低培养代数的胚胎干细胞用于异种核移植不影响异种重构卵的卵裂和囊胚发育;用胚胎干细胞作为供核细胞;比体细胞作为供核细胞所构建的异种重构胚更容易进行重编程,并且胚胎于细胞指导异种克隆胚胎正常发育的能力强于体细胞。

Firstly, we used the Raman scattering method which can calibrate in real time to measure the O2 (a1 Δ) yield of SOG for the first time in China. The measurement relative error is less than 8%. Based on the data from the experiments, we report the results that the diluent category and ratios influence the O2 (a1 Δ) yield. The relationship of P-τ values and the O2 (a1 Δ) yield of this SOG were given. The effects of distance and bypass of gas transportation on the O2 (a1 Δ) yield are investigated. Secondly, the chlorine utilization was measured by using Raman spectroscopy simultaneously when the O2 (a1 Δ) yield was measured. This method originated with us. The result about the chlorine utilization is coincident with other theoretic and experimental conclusions. The relationship given in this paper between gas stay time in SOG and chlorine utilization offers reference to improve the reaction efficiency and chemical efficiency of COIL. Finally, the partial water vapor pressure at the exit of SOG was measured by absorption spectroscopy. The water vapor fraction and partial pressure have trends changed with the generator total pressure, the diluentratios, and the BHP temperature. These experimental results are very important to improve experimental conditions of SOG, reduce the water vapor fraction, and enhance the output power of COIL.

由侧得的数据得到了加入稀释气体、稀释气体种类以及稀释比例对单重态氧产的影响,给出了该发生器P一:值与仇产的关系,还考察了传输距离对仇产的影响;在国际上首创利用喇曼散射光谱法在侧量产的同时进行了氯气利用的检侧,侧试结果与其他理论及实验结果十分相近;给出了气体在发生器中的滞留时间与氯气利用之间的关系,该结果为提高氧碘化学激光器的反应效和化学效提供了参考依据;另外采用了吸收光谱法对发生器出口处的水汽含量进行了测量、得到了水汽分压和百分含量随着发生器压力、稀释气体比例以及BHP温度等的变化情况,该实验结果对于改进发生器工作条件、减少水汽含量、提高氧碘化学激光器的出光功具有十分重要的指导意义。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力