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COS-7-cell line grown to log phase was transfected using lipofectamine reagent. The expression level of β-NGF mRNA and the biological activity were analyzed by Northern blot and observation of neurite outgrowth of PC12 cell line stimulated by supernatant, respectively.

利用脂质体 Lipofectamine方法转染 COS-7细胞，对阳性克隆 COS-7细胞的 mRNA和培养上清分别进行 Northern blot分析和观察对 PC12细胞突起生长的作用。

This is the logarithmic spiral geometric property, may explain why the humanity to the random orientation observation, the universe is accelerating to inflate.

这是对数螺线的几何性质，可以解释人类为什么向任意方向观察，宇宙都在加速膨胀。

The mission of the stage English of foundation education course is:Stir up with development student study English of interest, make the student set up self-confidence heart, develop good of study habit and formation valid of study strategy, development independence study of ability and cooperation spirit;Make the student control certain of English foundation knowledge with listen to, say, read, write technical ability, formation certain of comprehensive language usage ability;The observation of the development student, memory, thinking, imagination ability and frontier spirit;Help student understanding world with medium west culture of difference, expand visual field, development patriotism spirit, formation health of philosophy of life, is their life long study and development dozen descend good foundation.

基础教育阶段英语课程的任务是：激发和培养学生学习英语的兴趣，使学生树立自信心，养成良好的学习习惯和形成有效的学习策略，发展自主学习的能力和合作精神；使学生掌握一定的英语基础知识和听、说、读、写技能，形成一定的综合语言运用能力；培养学生的观察、记忆、思维、想象能力和创新精神；帮助学生了解世界和中西方文化的差异，拓展视野，培养爱国主义精神，形成健康的人生观，为他们的终身学习和发展打下良好的基础。

Based on intensive observation and measurement to the characteristics of tissue anatomical structure of some tree species, the relation of anatomical structure of tree species and their resistance to longicorn beetles was studied systematically with stepwise regression analysis.

作者中文名：刘晶岚；温俊宝；马履一；谢琛；吴彤；田海燕；罗彦文摘要：该文通过对9种树种组织解剖结构特征的观测，运用逐步回归方法，分析了树种解剖特征的差异与天牛危害之间的关系。

The research and observation at different height and different section along longitudinal axis of box girder show that the temperature distribution pattern is the same.

沿桥轴线方向不同位置和不同高度的箱梁混凝土温度的观测和研究结果表明，它们具有一致的温度分布形式。

Observation in the field of electron beam suffered in the Lorentz force

实验二。观察电子束在磁场中所受的洛仑兹力

Based on the morphological observation,the activities of SOD were measured during embryonic development of longanDimocarpus longan Lour.

在对红核子龙眼胚胎发育过程进行形态学观察的基础上，对龙眼胚胎发育过程中SOD活性变化进行测定。

RESULTS: Observation under inverted microscope showed that the PHBV fabric was fairly thickness, lucency is weak.

结果：倒置显微镜观察PHBV 纤维较粗，且透光性差，在相差显微镜下不易观察。

RESULTS: Inverted microscopic observation showed that the PHBV fibers were fairly thick with weak lucency, and the fibers were hardly detectable under contrast phase microscope.

结果：倒置显微镜观察聚羟基烷酸酯纤维较粗，且透光性差，在相差显微镜下不易观察。

RESULTS: The microscopic observation showed chondrocytes in the transducted group proliferated stably, and triangle, and spindle cells were predominant in the seventh passage, accompanied by few long-spindle and root cells. In addition, the cells were of clear appearance and large lucency. However, in the non-transducted group, long-spindle cells were observed in the fourth passage, and almost all cells exhibited long-spindle shape in the fifth passage.

结果：①倒置显微镜观察，转导组兔关节软骨细胞生长增殖稳定，至第7代仍旧以三角形、梭形及纺锤形细胞为主，偶见长梭形和树根形细胞，且轮廓清晰，透亮度大，折光性强；而未转导组细胞培养至第4代时即己出现长梭形细胞，自第5代细胞形态几乎全部变成长梭形。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。