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Compared with DH5α, DA19 had a higher flux of tricarboxylic acid cycle and a lower flux of Embden-Meyerhof-Parnas pathway so it decreased the secretion rate of by-products, such as acetate and pyruvate.This indicated that DA19 had higher efficiency in energy metabolism.

与DH5α相比,DA19的三羧酸循环流量高,酵解途径的流量低,从而减少了乙酸等副产物的分泌,反映了能量代谢效率的明显提高。

In the results of the optical properties, these molecular monomers have different HOMO and LUMO energy gap such that there are dual-emission and energy transfer mechanism in solution fluorescence spectrum. In the study of the electrochemical properties, various of triphenylamine derivaties have different oxygen binding site and they make elecropolymerization happen or not. In the applications of the hole-transport materials, the performance of compound 21 is better than other compounds. The electropolymerized-film may have residual cation molecules so they can increase the concentration of hole-transport. Due to this reason , compound 21 is suitable to become hole-transport materials.

在光学研究方面,由於目标化合物内单体的HOMO及LUMO能阶差异,使得在溶液萤光放射上有双发射及能量转移的情形发生;在电化学研究方面,不同的三苯胺衍生物由於氧基的位置不同,使得取代基在间位的化合物有不错的电聚合效果;而元件的应用上,具有咔唑基团的化合物21由於在形成电聚薄膜后,可能有残余的阳离子态化合物,使得电聚薄膜内的电洞数浓度较高,因此与其他元件相比之下,有较低的启动电压和不错的元件效率。

There was less trumpeting this time, but protons were made to hit each other at energies higher than any accelerator had managed before.

这一次的大肆宣传显然淡了很多,然而此次质子被加速到了更快的速度,因而产生了更高的碰撞能量,这是以往任何加速器都未曾办到的。

Its principle is use feed pump to put the premixed material into the host milling barrel in which proper mill medium is addedand reasonable designed arc line style blades are installed on the main axis symmetrically.Explosion proof machine transits the energy used for separating and milling to main axis through static electricity proof V tape belt to drive blade rotate in high speed, thus it will offer mill medium with high intensity function which can drive beads do random motion and bump with separated grain to create strong cutting force and then cut the material into ion or dissociation,thereby the material will keep in permanent ultramicron separation state.

其原理是利用送料泵浦将预先已搅拌好的物料送入主机研磨桶内,研磨桶内加入适量的研磨介质,合理设计的弧线型葉片对称地安装在主轴上,防爆電机通过防静電V型皮带把分散和研磨所需的能量传送到主轴上带动分散葉片高速转动,给予研磨介质以高强度的动能,带动珠子无规则运动与被分散物料之颗粒撞击产生强大的剪切力,使物料变为离子或游离子从而达到永久的超细微粒分离状态。

When the uncoupler concentration was constant, sludge yield increased with the increasing sludge concentration.

污泥的比氧气消耗速率和脱氢酶活性都比对照污泥要高,说明TCS对污泥中的微生物有激活作用,促进能量泄漏,这是造成污泥产率降低的原因所在。

The EL spectrum of the unscored sample can be decompounded into two Gaussian luminescence bands with peaks at about 1.83eV and 2.23eV,while in that of the scored one,the intensity of the 1.83eV peak is enhanced significantly,and a new Gaussian band with peak at about 3.0eV appears.

EL谱形状也有明显不同,表现在:未经刻划样品的EL谱可以分解为两个高斯峰,峰位分别位于1.83eV和2.23eV;而在刻划样品EL谱中1.83eV发光峰大幅度增强,还产生了一个新的能量为3.0eV的发光峰。

M. The design of a time resolved flat-response x-ray imaging system has been accomplished, with the combination of Wolter x-ray microscope, x-ray streak camera, and a compound filter.

利用Wolter X光显微镜收光立体角大,而且在收光立体角截面上容易划分成不同区域的特点,用X条纹相机作为图象记录系统,完成了一套在0.1~1.5 keV能区对X光能量平响应的高时空分辨测量系统的设计。

We have advanced equipment and production technology, machine-made charcoal production, high energy, good quality and is the industry leader in machine-made charcoal.

我们有先进的设备和生产工艺,生产的机制木炭能量高,质量好,是机制木炭行业的佼佼者。

It is able to carry out drilling, cutting and ablating on various materials, and it has a wide application in the field of micro-machining.

紫外激光的波长短,能量聚集集中,分辨率高,特别是具有&冷加工&的特性,能直接破坏连接物质的化学键,而不产生对外围的加热,因此成为加工脆弱物质的理想工具,并能对多种材料进行打孔、切割、烧蚀,在微加工领域中具有广泛的应用。

According to the energy conservation theory, BOM and CSIM4 were coupled. The BOM has no treatment on transmission solar radiation, which is of great importance when the model is adapted to Arctic Ocean. So the treatment was introduced to BOM. Through numerical test on different lead albedos, it was found that sea ice thickness is not so sensitive to lead albedo, which may be contribute to the lead occupies little ratio within multiyear sea ice pack. The reason of summer over-melt of arctic sea ice is the NCEP reanalysis downward solar radiation being larger than its reality. Then the arctic sea ice climate variability was simulated. Results showed that: simulated ice thickness change is in accord with the submarine investigated mean sea-ice draft changes. Simulated annually maximum ice thickness along the Eurasian continental oceans are closely related to the observed ones. The long-term mean simulated ice motion has the same features of the SSM/I derived ice motion. Sea ice extents in differential sub-regions have same trends comparing to the satellite passive-microwave data derived ones. Simulated ice concentration is closely related to the observed in the Arctic sub-regions. Sea ice flux through the Fram Strait involves ice concentration, motion and thickness. It is a composite criterion for sea ice model evaluation. The simulated ice area and volume export through the strait accord with the satellite derived or statistically reconstructed ones.(5) The simulated ice thickness climate variability and mean sea surface current of the coupled model were analyzed, results showed: the total ice volume in the Arctic Ocean has a significant decreasing trend. The volume variability is of a 10-year timescale oscillation, with two major periods of 12-13a and 18-20a. Mean ice thickness in the arctic sub-seas has different tendencies. It has an increasing trend in the Barents-Kara Sea and Baffin Bay-Labrador Sea, and decreasing in the others. The characteristic time scale of 7-10a wherein the river discharges leads the Fram Strait ice volume export is about the period that river water takes to be conveyed across the Arctic Ocean.(6) Using the simulated ice distribution in the Arctic Ocean and China precipitation, air temperature and SST in tropical key regions, the climate teleconnection were studied. Result showed: When the mean sea ice thickness is large in the central Arctic Ocean and Chukchi-Beaufort Sea , and small in the Barents-Kara Sea and Baffin Bay-Labrador Sea , the precipitation in South China, Tibetan Plateau, and the north part of Northeastern China are always smaller than normal, and v. v. When the mean ice thickness is small in CA, BC, East Siberian Sea and Greenland-Iceland-Norwegian Sea , and large in BL, The air temperature in north-eastern China, the southern of Tibetan Plateau, and Hainan Island, are always lower than normal, and v. v. In addition, when the sea ice is thick in BC and BL, the SST is larger in the middle and eastern Pacific Ocean, and is smaller in the tropical Southeastern Indian Ocean.

由于BOM没有考虑透射太阳辐射的物理过程,研究表明透射太阳辐射对北冰洋的能量收支起到重要作用,因此在BOM模式中引入了对透射太阳辐射的处理;通过对不同水道反照率的数值试验表明海冰厚度对水道反照率的敏感性不强,可能与海冰区水道面积占的比率很小有关;而模式模拟的北极海冰夏季&过度融化&主要源于NCEP再分析资料提供了偏大的太阳短波辐射;对北极海冰的气候变率进行了模拟研究,结果表明:模拟的海冰厚度变化与潜艇探测的海冰吃深度变化具有一致性;模拟和观测的亚欧大陆沿海的年内最大海冰厚度有很好的相关;模拟的海冰移速与长期平均的卫星反演的海冰移速具有相同的速度分布特征;模拟的各个海区海冰面积的变化趋势与卫星反演资料分析的结果基本一致;模拟与观测的主要海洋分区的海冰密集度具有很好的相关:弗瑞姆海峡的海冰体积和面积的输送涉及到海冰密集度、厚度和移动速度,是判断模式模拟能力的一个综合的指标,模式模拟的结果与卫星反演或重建的面积输送、体积输送具有很好的一致性;(5)分析了模拟的北极海冰厚度的气候变率及气候平均表层海流场,结果表明:北极海冰的总体积有显著减少的趋势,北极海冰总体积的变化具有10a际尺度振荡的特点,存在18-20a和12-13a两个主周期;北极海冰的平均厚度在各个海区的变化趋势不同,在巴伦支—喀拉海和巴芬湾—拉布拉多海地区海冰厚度有显著的增加趋势,而其它海区存在减少的趋势;通过对模拟的气候平均表层海流的分析表明,北极河流流量超前弗瑞姆海峡海冰流量7-10年的特征时间尺度与表层海流的气候分布存在着必然联系:(6)利用模拟结果以及中国降水、气温和热带关键区SST资料,讨论了北极各海区海冰平均厚度与中国降水、气温以及热带关键区SST的关系,结果表明:在北极中心海区和楚科奇—波弗特海海冰厚度偏大,在巴伦支—喀拉海以及巴芬湾—拉布拉多海海冰厚度偏小,则中国降水在华南地区、青藏高原和东北北部降水偏少,反之相反;在北极中心海区、东西伯利亚海、楚科奇—波弗特海以及格陵兰海海冰厚度偏小,在巴芬湾—拉布拉多海海冰厚度偏大,则在中国东北地区、高原南部地区和海南岛附近气温偏低,反之相反;另外,北极楚科奇—波弗特海和巴芬湾—拉布拉多海海冰厚度偏大时,在热带中东太平洋海温偏高,而在热带东南印度洋海温偏低。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。