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The changes of the fruit cells during ripening and softening were studied used the scanning electron microscopy . A pectate lyase and a β-galactosidase gene were also cloned from mature banana fruit by RT-PCR and the expression of them were investigated by the semiquantitative RT-PCR.

主要结果如下： 1 通过对香蕉果实成熟软化过程中相关酶类，特别是近年报道的与果实成熟软化相关的13种酶活性的变化进行了研究，证明这些酶的活性变化多与香蕉果实成熟软化相关。

RESULT: The activity and drinking of mice who had proceeded bone marrow transplantation after 60Co total body homogeneous radiation was no significantly different with normal mice, but their pelage became grey, blood samples detection were also same with normal mice after five weeks of bone marrow transplantation, the proportion of GFP positive cells in bone marrow cells achieved 59.62±13.21% proved by laser confocal microscopy, all these evidence proved the bone marrow reconstitution had been finished in the recipients.

结果： 60Co全身均匀照射后进行骨髓细胞移植的骨髓移植组小鼠的活动与饮食与正常小鼠无明显差别，只是毛发渐变灰白，五周后其血常规与正常鼠相较无明显差异，流式细胞仪检测显示其骨髓细胞中GFP阳性细胞的比例也达到59.62±13.21%，提示骨髓重建成功。

In the investigation of micromagnetism, in-plane magnetoresistance and in-field magnetic force microscopy on a series of permalloy planar wires were performed. Here, the wire length and thickness are kept constant, 20μm and 30nm, respectively. The width of the wire spans from 10 to 0.1μm. The magneto-transport behavior and magnetic configuration are quite different regarding their widths, corresponding to the aspect ratio.

在研究微磁学时，我们以平行膜面磁阻的量测和施加磁场下观察磁区的磁力显微来从事一系列镍铁合金毫微米线的磁矩翻转研究，这一系列毫微米线的线长和厚度分别固定为20微米和30奈米，线宽则由10微米变化至0.1微米，线宽的改变将造成磁电传输行为和磁区结构有截然不同的结果。

Using electronic microscopy,the development of secondary phloem SE was investigated in Populus deltoides.

该文以美洲黑杨为实验材料，在电子显微镜下观察研究了次生韧皮部筛管发育过程。

To analyze and compare the microstructures and appearances of steel wires with different phosphatization quality treated simultaneously in the same continuous production line by means of microscopy and SEM.

利用金相分析及扫描电镜等方法对钢丝连续生产线上同时处理的磷化质量差异较大的钢丝进行金相组织和外观形貌对比分析，指出造成钢丝磷化质量相异的主要原因是钢丝表面存在脱碳组织，这种脱碳组织是线材表面脱碳造成的，并且线材的脱碳层厚度即使是在相关标准规定范围内，也会对连续作业线的钢丝磷化造成影响。

The worn surface of the steel ball was analyzed by means of scanning electron microscopy and X-ray photoelectron spectroscopy.

采用扫描电子显微镜和X射线光电子能谱仪分析了钢球磨斑表面。

The carbon nanotubes obtained were characterized by means of transmission electron microscopy, X- ray photoelectron spectroscopy.

所制得的碳纳米管由扫描电镜、X射线光电子能谱表征。

X-ray photoelectron spectroscopy and atomic-force microscopy were used to characterize the chemical composition and surfacial profile of the films.

用X射线光电子能谱和原子力显微镜分别分析了薄膜的化学组分和表面形貌。

In order to overcome the shortcomings of acellular dermal matrix used as tissue engineering scaffold material, such as bad permeability, low degradation speed, and strong immunogenicity, a new type of collagen scaffold was prepared by applying various chemical, biological and physical comprehensive methods to deal with pigskin. The microstructure of the scaffold was observed under photomicroscope and scanning electron microscopy, and the in vitro degradation time, permeability, tensile-strength, porosity, shrinkage temperature were tested.

为了克服猪脱细胞真皮基质作为组织工程支架材料渗透性差、降解速度过慢、免疫原性较强等缺点，采用多种化学、生物与物理综合方法处理猪皮制备了一种新型天然胶原支架材料，通过光学显微镜、扫描电镜观察以及体外降解时间、透水汽性、拉伸强度、孔隙率、收缩温度等的测定，对其性能进行了研究。

The microstructure of the scaffold was observed under photomicroscope and scanning electron microscopy,and the in vitro degradation time,permeability,tensile-strength,porosity,shrinka...

实验结果显示：支架中的成纤维细胞、脂肪细胞及组织纤维间质完全去除，胶原纤维得到了松散，并维持其原有的天然三维网络多孔结构；该材料透水汽性处于3000g.m-2.d-1左右，适合创面恢复；体外降解时间处于25～50h之间，并可根据需要调整工艺条件控制降解时间；拉伸强度介于10.20～11.50MPa之间，具有良好的拉伸强度；收缩温度介于70～85℃之间。上述结果表明该材料已解决了猪脱细胞真皮基质渗透性差、降解速度过慢的缺点，并且其透气性和拉伸强度高、降解性优良且可控，符合组织工程支架材料的要求。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。