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In this study ten species of Trichoderma were morphologically identified. Among them, Trochoderma koningii was systematically studied based on its physiological and biochemical characteristics. Its antagonistic mechanism and biocontrol were studied. In addition, optimizing condition of antibiotics protruded and fermentation on culturing materials were also tested. Results as following:1. For the conidium germination of T.

本研究对所分离到的十种木霉进行了形态学分类鉴定,在此基础上对其中的康氏木霉的生理生化特性进行了较为系统的研究,同时对康氏木霉的拮抗机制、产毒条件优化、固体培养条件优化、生物防治等进行了研究,其结果如下:一,测定了康氏木霉菌落生长、孢子萌发与温度、相对湿度、pH值、营养物质、光照等的关系。

In this paper,four aspects of the above problems were studied:Firstly, the problem of solving continuous linear operator equation inseparable Hilbert space is studied .

通过把第一类连续不适定算子方程转换为等价的无穷维方程组,然后利用投影法,给出了解存在唯一的充要条件;给出了连续线性不适定算子方程解析解,解决了不适定情况下解的表示问题,由此给出了算子方程的数值求解公式;进一步证明了,在解不唯一情况下,此表达式给出的解为算子方程的最小范数解,同时表示出了连续线性不适定算子方程的解集。

The correction circuit of the control system is also studied and the control system is studied completely.

在AC补偿系统传递函数的基础上采用经典控制理论对它进行了稳定性分析。

Because of the problem of convergence, the key techniques to complete the one step simulation were explored thoroughly. The geometry mapping method based on finite element model and inverse deformation was developed to get the approximate initial blank for one step simulation. The effective selection of convergence factor in Newton-Raphson method was studied. The divergence criterion in iterative process for one step simulation was put forward. Also the countermeasure to ill equations coefficient matrix was studied.

由于存在收敛性的问题,本文重点研究了一步模拟方法计算机实现的关键技术:提出了基于有限元模型的几何映射方法和反向变形方法来确定初始毛坯的近似解,研究了带收敛因子的Newton-Raphson方法中如何高效地选取收敛因子,提出了一步模拟迭代求解过程中的发散准则,并研究了病态方程组系数矩阵的修正方法。

He studied clarinet at Benvenuti Music Institute of Conegliano and studied piano at Corelli Music Institute of Vittorio Veneto with Mr. Pasqualis and Ms.

曾就读于日瓦格音乐学院、帕多瓦市普利尼音乐学院、克莱利音乐学院学习钢琴,师从维也纳的克利斯汀女士。

Major content of this work includes five aspects as follows:(1). Oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by FI-IR, SEM, and the detection experiment of oxygen. Then through the detection of oxygen, the sensitivity and stability had been estimated, and it was studied that the properties of materials would be affected by the various factors.(2). Oxygen sensitive materials had been prepared by carrier covalence-cross linking method, and the preparation mechanism of the materials had been investigated by FI-IR, SEM, and the detection experiment of oxygen. Then through the detection of oxygen and spectrophotometer, the sensitivity and stability had been estimated, and it was studied that the properties of materials would be affected by the various factors.(3). For the detection of gaseous oxygen, the fiber optical sensor on basis of oxygen sensitive materials had a respond time of 10s, detection limit of 5ppmand detection precision of 0.5%. The sensor had good repeatability and stability, a less delay and at least 1 year life-span.

本论文主要包括以下五个方面的内容:(1)载体共价法制备氧敏感材料:通过红外光谱、扫描电镜图谱和氧测试实验探讨该氧敏感材料的制备机理,通过氧测试实验评价该氧敏感材料的氧敏感性和稳定性,同时研究了各种因素对该氧敏感材料性能的影响(2)载体共价—交联法制备氧敏感材料:通过红外光谱、扫描电镜图谱和氧测试实验探讨该氧敏感材料的制备机理,通过氧测试实验和分光光度计评价该氧敏感材料的氧敏感性和稳定性,同时研究了各种因素对该氧敏感材料性能的影响(3)氧敏感材料在光纤气态氧传感器中的应用:该传感器的响应时间为10s,检测下限为5ppm,检测精度为0.5%,具有较好的重复性和稳定性,迟滞较小,使用寿命至少为1年,适合各种环境下气态氧浓度的检测。

The reason why the crimple appear in the DLC film on the glass substrate was studied. From the angle of enhancing the film-matrix binding force, the influence of the supersonic cleanning to the film-group binding force was studied.

研究DLC膜在玻璃基体表面产生褶皱的原因,从增强膜基结合力的角度入手,考察超声清洗对膜基结合力的影响。

The nucleation effect of nucleating agent HC (mainly containing salt of high molecular carboxylic acid) on polyoxymethylene was studied, and the effects of the nucleating agent on the crystalline morphology, crystallizability and crystallization rate of POM were also studied by means of DSC, PLM and isothermal crystallization kinetics analysis.

研究了高摩尔质量羧酸盐类成核剂HC对聚甲醛的结晶成核作用,采用示差扫描量热分析、偏光显微镜观察及等温结晶动力学分析等方法研究了该类成核剂对POM结晶形态、结晶度、结晶速率等的影响,并考察了其力学性能。

The mechanism of made it by vacuum evaporation using DTB crystallizer is studied, and the detail of the technical flow is discussed. The factors which influence the granularity of anhydrous sodium sulfate are studied .

本论文主要讨论了用DTB型结晶器、采用真空蒸发结晶法制备较大颗粒硫酸钠的机理、具体的工艺流程以及各种因素对结晶粒度的影响。

But systematic research concerning continuous mono-cropping grafted cucumber obstacle isn't reported. This paper systematically studied the effect of continuous cropping soil on grafted cucumber in aspect of its growth, yield and edaphon in pot experiments. Further more, root exudates of squash and grafted cucumber were collected by solution cultivate and adsorption of XAD-4 resins, and bioassay of the root exudates was did with cucumber and squash as receptors, studied allelopathy of grafted cucumber and squash root exudates on cucumber and squash , physiobiochemistry as well as.

本项研究采用盆栽试验以不同连作年限的土壤为基质比较系统地研究了连作年限对嫁接黄瓜的生长、产量和土壤微生物的影响;采用水培和XAD-4树脂吸附法分别收集嫁接黄瓜和砧木南瓜的根系分泌物并以黄瓜、南瓜为受体进行生物活性测定,并对嫁接黄瓜及其砧木南瓜根系分泌物化感作用的生理机制进行了初步探索。

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Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录,所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。

The strong ionospheric disturbances caused by the significant magnetic storm appeared on the whole world.

用欧亚大陆地面电离层垂测站资料考察1989年3月12~16日磁暴期间的电离层暴形态及其发展变化。