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Co-B amorphous alloy catalysts supported on three kinds of mesoporous silica (common SiO2, MCM-41 and SBA-15) have been systematically studied focusing on the effect of pore structure on the catalytic properties in liquid-phase hydrogenation of cinnamaldehyde to cinnamyl alcohol.

系统研究了三种介孔硅(普通SiO2， MCM-41 and SBA-15)上负载的Co-B非晶态合金催化剂，重点考察孔结构对液相肉桂醛加氢制肉桂醇的催化性能影响。

The circinal cavities were found in calcium alginate beads and the cylinder holes were observed in zinc alginate beads from the SEM,which indicated that the volume of fraction of zinc alginate polymer was relatively bigger and the zinc alginate polymer chain was more rigid than that of calcium alginate .

凝胶的SEM照片可见，海藻酸钙的冷冻干燥颗粒内为较大的圆孔，海藻酸锌凝胶内为较小的长孔，表明海藻酸锌高分子链在凝胶颗粒中的体积分率相对较大同时刚性较强；卵清蛋白从海藻酸凝胶颗粒中释放的试验结果表明，由于上述海藻酸锌凝胶的特性，导致海藻酸锌对卵清蛋白扩散阻滞作用相对较强；根据试验数据计算得卵清蛋白在海藻酸钙、海藻酸锌凝胶颗粒中的扩散系数分别为1.19×10-7、0.07×10-7cm2/s，利用阻滞模型计算得海藻酸锌高分子链在凝胶颗粒中体积分率约为海藻酸钙高分子链在凝胶颗粒中体积分率的1.7倍。

A circle shear machine for cutting holes and rings in sheet metal whereby the sheet metal is held stationary by a pair of coaxially aligned and opposed center shafts which are each provided with a thrust bearing mounted support platform to engage top and bottom surfaces of the metal sheet at the locus center of the hole to be cut.

一个圈剪切机切割孔及戒指在钣金，而金属板材是静止举行，由一对同轴不结盟和反对的中心轴，这是每提供一台推力轴承安装支撑平台，以进行顶部和底部表面的金属板材在轨迹的中心孔被削减。

The important and perpetual anatomic landmarks looking for facial nerve in the course of operation are horizontal semicircular canal,digastric ridge,facial recess,cochleariform process,tarin foramen, arcuate eminence and foramen spinosum.

经乳突联合颅中窝径路行面神经手术时，二腹肌嵴、外半规管凸、砧骨短突、面神经隐窝、匙突、弓状隆起、棘孔、面神经管裂孔为该手术径路中寻找面神经的恒定的、重要的解剖标志。

The important and perpetual anatomic landmarks looking for facial nerve in the course of operation are horizontal semicircular canal,digastric ridge,facial recess,cochleariform process,tarin foramen, arcuate eminence and foramen spinosum.

二腹肌嵴、外半规管凸、砧骨短突、面神经隐窝、匙突、弓状隆起、棘孔、面神经管裂孔为该手术径路中寻找面神经的恒定的、重要的解剖标志。

The fundamental imaging features of osteosarcoma were showed bone destruction, periosteal reaction, neoplastic bone and soft-tissue mass. Among 49 cases examined by radiography, osteoblastic pattern sarcoma was found in 19 cases, osteolytic pattern sarcoma was found in 13 cases and mixed pattern sarcoma was found in 17 cases. The detection rates of bone destruction, periosteal reaction, soft-tissue mass, neoplastic bone and Codman triangle by radiography were respectively 61.2%, 95.9%, 71.4%, 73.5%and 27.7%. All 10 cases with CT scan were showed bone destruction, soft - tissue mass and neoplastic bone. The detection rates of periosteal reaction,憇ieve sign挶 and Codman triangle with CT scan were respectively 90%, 90% and 11%. The tiny neoplastic bone and"sieve sign"were showed sensitively by CT, but Codman triangle was showed by radiography superior to CT.32 cases with MRI scan presented the normal marrow was replaced by the tumor, which was showed low to intermediate signal intensity on T1-weighted images and promiscuity signal intensity on T2-weighted images. 7 cases presented hemorrhage and 24 cases presented necrosis.

骨肉瘤基本影像表现为骨质破坏、骨膜反应、瘤骨和软组织肿块。49例X线表现为成骨型19例，溶骨型13例，混合型17例；X线对骨质破坏、骨膜反应、软组织肿块、瘤骨和Codman三角的检出率分别为61.2%、95.9%、71.4%、73.5%和27.7%；10例CT表现均可见骨质破坏、软组织肿块及瘤骨，CT对骨膜反应、筛孔征和Codman三角的检出率为90%、90%和11%；CT对显示细小肿瘤骨和筛孔征最敏感，但对Codman三角的显示不如X线平片；32例MRI表现为骨髓腔内正常的骨髓高信号被肿瘤信号所取代，T1WI呈低～等信号，T2WI呈混杂信号，7例合并出血，24例中央坏死囊变，32例增强扫描均呈不均匀强化及瘤周可见水肿区。

There was difference between differentkinds of submerged entry nozzle and no using SEN. Because columniform nozzlecan impinge deeply, so inserting it into steel liquid should be not too deep, which the bestdepth is about 100mm.

结果显示直筒型水口浇注流场与敞口浇注以及双向侧孔水口浇注的流场存在差异；直筒型水口冲击深度较深，与板坯侧孔水口相比浸入深度应较浅些，适宜深度为100mm。

The diameters of mesopore were decreased controllably owning to the introduction of the functional groups on the inner surface of the mesoporous MCM-41, and the mesopore was tailored and modified by the introduced functional organic groups.

有机基团的引入使介孔分子筛MCM-41的最可几自由孔道可控制地缩小，实现了介孔分子筛孔道的修饰和裁剪。

When the flange hole of coal blower casing and inlet box is countersunk, the problem of connecting hole back spot facing can be effectively solved.

它可以有效地解决在锪煤气鼓风机铸铁机壳和进气箱的开箱法兰把接孔时，连接孔背面的锪平问题。

Results Cribriform and trumpet-shaped epithelial stomata were scattered on the pineal capsule.

结果 在大鼠松果体囊表面发现存在筛状囊上皮孔和喇叭口状囊上皮孔。

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。