查询词典 experimental research

On the other hand, in order to contact to practical application and combine the actual experimental condition, we can make some elementary research on the application of boron nitride which has been synthesized.

将合成的纳米氮化硼材料进行表面改性，改善纳米粉体表面的润湿性，增强了其在介质中的界面相容性，使氮化硼纳米粒子容易在有机化合物中分散，提高了氮化硼纳米粉体的应用性能。

Main contributions and results of this research include: The production of nano-copper brei from adequate selection of some accessory ingredients based on the technology of super-fine powder preparation and the fundamental of surface chemistry. Best composition of materials for making nano-copper brei was subsequently determined by a series of orthogonal experimental approaches.

本文的主要创新和研究成果体现在以下方面： 1、基于超碎粉体制备技术和界面化学基本原理，通过选择合适的助剂和物料研制出了纳米铜，并通过正交试验得出研磨时最佳的物料配比。

The basic experimental system of gas combustion characteristics was set up in the research, which is composed of Bunsen burner (pre-mixed burner), gas supply system, high accuracy flux control system, mixing system and measurement system of flame characteristics.

双气头多联产系统中用于发电的是化工过程中的弛放气和剩余粗煤气（主要可燃成分为CH4、CO、H2）。

An experimental setup with two external saturated calomel reference electrodesand two flow cells was established for flow battery research application.

建立具有外置双饱和甘汞参比电极及双液流电池的实验装置系统。

According to the systematic experiments research on piccolo injector plasma generator, the comprehensive experimental character of plasma generator is summarized with different conditions.

运用设计的方法和理论依据，设计出了可用于电热化学发射实验的几种中心电弧等离子体发生器，如A2、A1型、B型和C型。

Based on the research results of Chaos theory, in this dissertation, it has made detailed analysis of the chaotic signal generator. Firstly, the characteristic and various detection methods of chaotic signal are recommended. Secondly, with the aid of software, such as MATLAB, PSPICE, EWB, etc, discussion of the process of generating chaotic signal proceeds. Through simulation, the output result of several kinds of chaotic circuit are analyzed and compared. Thirdly, aiming at Chuas chaotic circuit, through debugging, the impacts by components and parts in the circuit, such as operation amplifier, capacity, inductor, etc, has been further investigated. And then provides a new scheme to implement Lorenz chaotic system, the circuit design and analysis are presented in detail and it can be realized by the hardware of programmable arrays FPGA, the experimental results indicate that this scheme has the advantages of easy operation, flexible design and high efficiency. An application example in secure communications is also provided. Finally, through picking up the characteristic parameter-Lyapunov exponent of the Chaos we can analyze the performance of different chaotic signal generators.

本文在混沌理论研究成果的基础上，对混沌信号的产生做了详细的分析，涵盖以下内容：首先介绍了混沌的定义，混沌信号的基本特性和各种判别方法，特别是对简单的一维Logistic映射的硬件实现问题做了初步探索；其次对混沌信号的产生方法进行讨论，借助于MATLAB、PSPICE、EWB等仿真软件，对几种混沌电路输出的混沌信号进行了分析比较，并在此基础上针对典型三阶连续自治系统Chua's电路作进一步实验研究，通过混沌电路调试，深入研究电路中各元器件，特别是运算放大器、电容、电感等对混沌信号时域以及频谱的影响；再次研究连续混沌系统的数字化硬件产生，设计了Lorenz混沌电路在现场可编程门阵列FPGA上实现的新方案，在保密通信中的应用实验结果表明该方案具有操作简单、设计灵活、效率高等优点；最后针对不同混沌系统，采取不同算法，提取混沌特性参数Lyapunov指数，进而对不同的混沌信号发生器的性能进行了分析。

Using fresh chlorophyll distilled from fresh leaves of yulan as experimental material,this research analyses the change of the absorption spectra of chlorophyl under light of different wave length,different illuminating time,different temperature by means of using the WGS-9 chroma analysing instrument.

引言光谱分析在各个领域内有广泛的应用，对许多物质，光的吸收性是一个重要的本质特性，通过对物质的光谱分析可以得知它的元素组成成分[1]。在自然界中，叶绿素是广泛存在于植物的叶和茎中的绿色色素，它也有其特定的吸收光谱。

Using fresh chlorophyll distilled from fresh leaves of yulan as experimental material, this research analyses the change of the absorption spectra of chlorophyl under light of different wave length, different illuminating time, different temperature by means of using the WGS-9 chroma analysing instrument.

以从新鲜玉兰叶片中提取出的新鲜叶绿素为原料，用WGS-9型色度仪分别测出叶绿素提取液在不同波长的光和不同照射时间以及不同温度下的吸收光谱，通过对吸收光谱的分析得出不同光照和温度对叶绿素的影响及对叶绿素中成分的破坏情况。

Besides new theories and experimental tools, the most special achievement in our research is the patch coater.

除了学理的探讨，本研究结合涂布理论、机械设计与机电整合的知识，自行设计与组装一台精密方块形涂布机并测试成功，本研究除了理论的探讨与建立新的实验工具之外，最特出的就是第一个成功的将涂布理论应用於涂布机设计，提升我国先进涂布技术水准於世界顶尖的地位。

In order to explore the chemical regulation of the plant type dwarfing of Coleus blumei, its cutting plantlets were used as the experimental materials in this research. Through studying its height and cytological characters of each treatment, we found that spraying 800-fold liquor of 15% Paclobutrazol wettable powder and 7,000-fold liquor of 5% Unlconazole (S3307D) on its leaves had significant dwarfing effect on it; 400-fold liquor of 50% chlormequat chloride had not any.

为了探索彩叶草株型矮化的化学控制，以其扦插幼苗为材料，通过对其株高及其细胞学特性研究，发现叶面喷施15%多效唑可湿性粉剂800倍液和5%烯效唑可湿性粉剂7000倍液对彩叶草株型具有显著的矮化作用；叶面喷施50%CCC水剂400倍液，矮化效果不显著。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。