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The cell wall of sclerenchyma in ROL barrier was significantly thickened in conventional lowland rice (Yangdao 6) with the increase of PEG concentration, but upland rice (Zhonghan 3) was not sensitive to low PEG concentration. The thickening of ROL barrier obviously became stronger at 50 g·L-1 and higher concentrations. Besides, suberisation of cell walls increased significantly with the time extension.

随PEG浓度的升高，水稻(扬稻6号)根的ROL屏障厚壁细胞胞壁宽度明显增加；旱稻(中旱3号)对低浓度PEG胁迫不敏感，当PEG浓度达50 g·L-1以上时，ROL屏障厚壁细胞才表现出明显加厚的趋势，且随PEG胁迫时间的延长，厚壁细胞栓质化程度变高。

All the species are characterized by having an adaxial epidermis of the ligules consisting of oblong, tabular cells, with the radical and tangential walls being straight; the outer wall with a characteristic thickening along the median plane of the cell; the median plane of the cuticle of outer wall with a pattern of longitudinal rugose stripes; and no systematic connection between the patterns of adjacent cells.

所有种类舌片近轴面的细胞为板状，长圆形；径向、切向壁直；外壁特征性突起，外壁中央为纵向皱纹，相邻细胞之间的纹饰无系统连接。

Methods:The self-made potassium chloride monopha- sic action potential recording electrodes(KCI-MAP elec- trodes)were pluged into the canine left anterior ventricu- lar wall,where isoprenalinewas administered through the KCI-MAP electrodes to mimic the increase of local sympathetic nervous tension,monophasic action potentialof the three layers(endocardium,mid-myoeardium and epicardium)at left anterior ventricular wall were re- corded simultaneously before and after Iso been administered.

方法经自制跨室壁氯化钾单相动作电位记录电极(KC1-MAP电极)于左心室前壁局部给予异丙肾上腺素模拟局部交感神经张力增加，记录给药前后三层心肌的单向动作电位，分析动作电位时程、图形特征和跨室壁复极离散度的变化，观察VT的诱发情况和VT发作时室壁激动顺序。

Wall motion and wall thickening by G-MPI can improve accuracy of diagnosing sparseness and defect of anterior wall.

G-MPI、室壁运动及室壁增厚率检测可提高前壁稀疏缺损的诊断准确性。

Wall thickness is a key index for water-wall tube inspection in power plant,in order to inspect the tube quickly and evaluate the wall thickness quantitatively,a new method combining the magnetic main flux with ultrasonic technique was proposed.

壁厚是电站锅炉水冷壁管质量监测的一个关键指标，为了实现对水冷壁管的快速无损检测和质量评价，提出了主磁通检测与超声波检测相融合的壁厚检测新方法。

Wall-climbing robot for cleaning is a kind of mobile service robot, which can climb on the surface of vertical walls and carry out cleaning tasks.

壁面清洗爬壁机器人是一种能够在垂直壁面上自由爬行并完成清洗作业的移动式服务机器人。

Wall-climbing robot for cleaning is a kind of mobile service robot, which can climb on the surface of vertical walls and carry out...

壁面清洗爬壁机器人是一种能够在垂直壁面上自由爬行并完成清洗作业的移动式服务机器人。

Two pairs of chutes and holes on the cleaning base and the brushes form the double chute swing mechanisms by the connection of an axis and cause the brush to cling to the wall surface to clean by the friction feedback, thus achieving effective cleaning when walking error occurs and the pipe section changes, furthermore, the larger the friction on the wall surface is, the larger the forward pressure on the wall surface is, therefore, the dirtier the wall surface is, the higher the cleaning efficiency is.

清扫底座与刷子夹上的两对滑槽和孔通过轴的连接形成双滑槽摆动机构，并通过摩擦力反馈使得刷子能够紧贴壁面进行清洗，从而在出现行走误差和管道截面变化时都能够有效清洗，并且壁面摩擦力越大刷子作用在壁面上的正压力越大，因此壁面越脏时清扫效率越高。

In order to understand better the process of hydrocarbon formation and the effect of the top land crevice and the oil layer of the cylinder liner on unburned hydrocarbons during cold start and idling period,the temperature of piston top land and liner has been measured.

为了更好地弄清起动和怠速时发动机缸内未燃碳氢生成过程以及顶岸间隙和油膜对缸内未燃碳氢的影响，测量了起动和怠速过程活塞顶岸壁面和缸套壁面温度。根据测量结果，预测了起动过程顶岸间隙和壁面油膜处未燃碳氢生成量，发现顶岸和缸套壁温在发动机起动后（150～200）s时达到其稳定状态。

The reticulated vessel which has large cavity has thicker wall due to more elastic fibers and more smooth muscles and its endothelium is cuboidal epithelium which has rotundity karyons. But the reticulated vessel which has small cavity has thinner wall due to less elastic fibers and less smooth muscles and its endothelial cells are flat epithelial cells which have long-shuttle-shaped karyons. In some regions, the ducts are very small in diameter and thin of wall, and they become blood sinus in the end.

管腔大者，管壁厚，弹性纤维、平滑肌纤维多，内膜靠腔面内皮细胞多成立方状，细胞核端位近圆形；管腔小者，管壁薄，弹性纤维、平滑肌纤维少，内皮细胞扁平、排列稀疏，胞核长梭形；一些区域管径极小，管壁极薄，成为开放的血窦，只允许一个血细胞通过。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。