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We found that two separation-of-function mutations in the GAP domain of CYK-4 lead to cytokinesis defects that mimic centralspindlin loss of function.

研究人员发现,CYK-4的GAP区域发生两种独立的功能变异,能够导致细胞分裂的出现问题,即模仿中心纺锤体蛋白的功能缺失。

The last but not least, it is also owning to the rapid development in computer science and information technology. Such as, some computational task, which previously must be executed by using super-computer, now can be carried out by personal computer, and at the same time, the network speed and band width of data bus and input/output equipment have increased several times. In addition, the improvement of the high quality graphic displaying is available. All these provide strong support for cryoEM high-resolution reconstruction study.

目前,在低电子剂量的情况下,冷冻电镜照片可以记录到3-4 〓的信息,使用冷冻电子显微镜进行高分辨三维重构工作,已经获得6.5-8〓高分辨率水平的结果,可以分辨出蛋白质的α螺旋、识别出蛋白质的β折叠等蛋白质二级结构;其次是,三维重构算法效能的不断提高,使得对二十面体取向和中心参数计算的可靠性大大提高;再次是,由于计算机和信息技术迅猛发展,例如,以往需要使用大型计算机的计算任务已经可以被一般的个人电脑完成,网络速度、数据总线和硬盘等I/O设备的带宽成倍增长,以及图像显示能力的提高都为冷冻电子显微镜高分辨三维重构技术提供了强有力的支持。

Nowadays, in the low electron dose condition, the information about 3-4〓 can be recorded on the cryoEM micrograph, and the high-resolution reconstruction using the cryoEM has reached 6. 5-8〓 levels. The reconstruction can reveal the protein α helical and recognise β fold secondary structure. Secondly, it is due to the development in 3D reconstruction method, which can be more efficient to determine the orientation and center parameters. The last but not least, it is also owning to the rapid development in computer science and information technology. Such as, some computational task, which previously must be executed by using super-computer, now can be carried out by personal computer, and at the same time, the network speed and band width of data bus and input/output equipment have increased several times. In addition, the improvement of the high quality graphic displaying is available. All these provide strong support for cryoEM high-resolution reconstruction study.

目前,在低电子剂量的情况下,冷冻电镜照片可以记录到3-4 〓的信息,使用冷冻电子显微镜进行高分辨三维重构工作,已经获得6.5-8〓高分辨率水平的结果,可以分辨出蛋白质的α螺旋、识别出蛋白质的β折叠等蛋白质二级结构;其次是,三维重构算法效能的不断提高,使得对二十面体取向和中心参数计算的可靠性大大提高;再次是,由于计算机和信息技术迅猛发展,例如,以往需要使用大型计算机的计算任务已经可以被一般的个人电脑完成,网络速度、数据总线和硬盘等I/O设备的带宽成倍增长,以及图像显示能力的提高都为冷冻电子显微镜高分辨三维重构技术提供了强有力的支持。

A ligand is particle with a lone pair which forms a dative covalent bond to the central particle.

changes。配体具有不同的尺寸这意味着可和中心正离子配对的数目不同。

The resulting materials were characterized by x-ray diffraction, Fourier transform infrared spectroscopy, Nuclear magnetic resonance and Photoluminescence. Those spectra reveal that by adding SiO2 to YAG:Ce precursor, the lattice constant decreases while vacancies are generate due to the co-dopant ions (Si4+) replaces in the place of Al3+ sites of YAG:Ce system. YAG:Ce phosphors with Y3+ dodecahedral site replaced by Ce3+ and diffused effectively as an activator, as a result the photoluminescence intensity increased about ~20-30%.

研究成果显示,掺杂SiO2之YAG:Ce萤光粉经过高温热处理后,由X光绕射、红外线吸收光谱仪以及核磁共振可以得知,当SiO2添加量增加时,YAG:Ce晶格常数会因为Si4+取代Al3+的四面体晶格位置而变小,同时产生将YAG:Ce之铝离子空位缺陷,使活化中心更有效地在YAG:Ce主体中扩散取代Y3+的十二面体晶格位置,提高其发光性质约20~35%。

Infrared spectra of H106 and its comptexes indicate that the carbonyl oxygen is the centre of electron donator .

络合物的红外光谱表明羰基氧是电子给予体的中心。

The shaft comprises a cylindrical array of nine doublet microtubules surrounding a central core of two single microtubules.

主体的杆状物是由九组二联体微管围成的圆柱体腔,中心为两个独立微管。

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, monkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity I-bar, O-ring, T-square, octahedron, zigzag chain, gable roof, cross stitch, set square, arch dam, cam shaft, cone buoy, U-bolt,?

滚珠轴承,实验台,运载火箭,气压式缓冲器,拖拉机履带片,锤式打桩机,球阀,自动穿孔器,螺旋钻,裂变产物,同类金属,异体组织,抽气泵,叠影,垫块,心脏移植者,镇静剂,减肥中心,杀蚊弹,玻璃丝袜,防毒面具,卫生口罩,急救,救火车,防滑链,饮用水,抗药性,肺活量工字梁,环形圈,丁字尺,八面体,Z形链,人字屋顶,十字缝,三角尺,拱坝,凸轮轴,锥形浮标,U形螺栓三、注意语义分析?

All 7 cases were characterized by deposition of dystrophic or psammatous calcifications accompanied with chronic inflammatory cells infiltration in the stroma. In some cases, there was formation of germinal centers.

特徵性形态学表现为在胶原化的纤维组织间可见散在的钙化灶或砂砾小体,间质内伴有多少不等的淋巴细胞和浆细胞浸润灶,部分病例中可见生发中心形成。

To study the unique existence and the asymptotic behaviour of solutions to nonlinear partial differential equations appearing in the fluid mechanics and elastodynamics.

of Tsukuba 柴田良弘 SHIBATA Yoshihiro 非线形偏微分方程式の解の存在,一意性,解の渐近挙动に関する研究,特に流体力学や,弾性体の运动を记述する方程式を中心に研究を进めている。

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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