试验设计

And rough set theory is applied to reduce and unitize the experiential knowledge to find out the important attributes affecting the policy decision and extract the expert design knowledge from the simulation and experimental results.

2知识是实现智能化的核心，为了获取有关产品设计分析、性能评价的经验性知识，结合虚拟正交试验与物理试验等方法，对甘蔗收获机械性能进行分析与测试。

Neural network technology is used to acquire the hidden knowledge from the results to realize the effective reasoning and application of knowledge. And rough set theory is applied to reduce and unitize the experiential knowledge to find out the important attributes affecting the decision-making and extract the expert design knowledge from the simulation and experimental results.

运用神经网络技术从试验数据中获取隐式知识，实现对知识的联想、推理等高效运用，同时运用粗集理论对经验性知识进行约简，从而找出对决策信息具有重要影响的属性，以及隐含在试验结果中的专家级设计知识。

Make right steps for the influence of temperature to ensure inflence advantaged setting and unsetting of the Metal Packer.The property tests on the Packer,instructure improved have revealed that when the packing force is 350KN,The Metal Packer achieves the sealing pressure of 35Mpa, hanging force of 200KN, releasing force of 180KN. All performance can satisfy the field demand.

论述了金属封隔器的室内试验，封隔器结构的改进，以及现场试验情况，最后得出结论：在350KN坐封力的条件下，封隔器承压35MPa，悬挂力200KN，解封力180KN，坐封前外径117mm，解封后外径118mm，性能达到设计要求。

Seventeen simply supported beams with the dimensions of 150 × 250 × 2600mm include nine secondary-load reinforced concrete beams reinforced by CFRP, six RC beams strengthened with CFRP directly and two unstrengthened control beams were experimentally investigated.

本次试验共设计了17根截面尺寸为150mm×250mm，梁长为2600mm的试验梁，其中9根为碳纤维布加固的具有不同初始荷载的钢筋混凝土梁，6根为碳纤维布直接加固的钢筋混凝土梁，2根为对比钢筋混凝土梁。

By regression of experimental data, therules of the linkage between these factors, which will provide a theoretical basis for designing BBP with different scales.3 Using thermal analysis technology and dynamic thermogravimetry, the paper studies combustion kinetic characteristics of 3 types of agricultural crops at different rate of temperature rise, and thus, achieved dynamic parameters of these fuels at different rate of temperature, established dynamic model of straw combustion, which reflects the dynamic process in the fast combustion area.4 Characteristics of straw briquette combustion was experimented, focusing on the impact of straw type, temperature, air supply, and density, diameter, and weight of briquette on the combustion speed, and the following conclusions were drawn:(1) combustion of straw briquette fuel is static permeation diffusion combustion;(2) temperature has a larger impact on the speed of straw briquette combustion than air supply; the higher the combustion temperature is, the faster volatilizable component separates out, and the less steady the combustion is;(3) density of briquette fuel has impact on the speed of volatilizable component separation and therefore the combustion speed;(4) increase of diameter and weight of briquette fuel increases the average combustion speed in the initial stage, and that in the later stages is comparatively steady;(5) the proportion of volatilizable component in straw briquette fuel is high, therefore, the temperature control during combustion under the rational ventilation condition is essential to ensure its safe combustion.5 Using the above-mentioned results of experiments and theoretical analysis, and based on thought of hydraulic driven and bi-direction compression, the hydraulic system and compression parts of the HBP BBP are re-designed in terms of industrialization.

利用热分析技术，采用动态热重实验法，对我国的三大农作物秸秆在不同升温速率下的燃烧动力学特性进行了较系统的研究。得到了各原料在不同升温速率下的动力学参数；建立了秸秆燃烧的动力学模型，该模型反映了秸秆迅速燃烧区的动力学过程。 4 对秸秆成型燃料的燃烧特性进行了试验研究。着重研究了秸秆河南农业大学博士学位论文巫的种类、温度、空气供给量、成型燃料密度、直径、质量对成型燃料燃烧速度的影响并得出如下主要结论：①秸秆成型燃料的燃烧方式属于静态渗透式扩散燃烧。②秸秆成型燃料燃烧速度受温度的影响大于通风量燃烧速度的影响：燃烧温度越高，挥发分析出速度越快，燃烧平稳性愈差。③成型燃料密度影响成型燃料挥发分的析出速度，影响燃烧速度。④成型燃料直径和质量的增加，使得燃烧初期的平均燃烧速度增大，中后期的平均燃烧速度相对平稳。⑤秸秆成型燃料含挥发分比例高，因此合理配风下的控温燃烧是保证其完全燃烧的关键。 5运用已取得的试验和理论分析结果，以液压驱动、双向成型为基础，从产业化的角度对HBP型成型机进行了液压系统和成型部件的改进设计；同时采用了二级预压机构，使该成型机的生产率达到 500kg.hd；单位能耗 60kwh。上'左右，磨损件修复周期 300小时左右，基本解决了影响生物质固化技术在国内推广的技术难题。

Based on the single experiment, orthogonal experiment was designed to optimize extraction technology parameters such as temperature, extraction time and enzyme dosage of jujube juice from Zizyphus Jujube Mill grown in Yanchuan Shaanxi Province.

以延川团枣为材料，在前期单因素试验的基础上采用正交设计试验方案，对温度、提取时间和酶用量等提取红枣汁的工艺参数进行优化。

This paper mainly introduces experimental methods and basic principle about gelled acid reaction kinetics.

介绍了胶凝酸反应动力学的试验方法及基本原理，进行了普通酸和胶凝酸与灰岩的反应动力学试验，得到不同条件下的酸岩反应动力学参数及反应动力学方程，对优化碳酸盐岩油藏酸压设计有一定的指导作用。

Finaly many experiments are completed in the lab in diffrient conditions , which contains illuminance of crack 、 contrast of image 、 distance of shotting and focal length, to review the accuracy of the new system and to analys the rule of th effection of the accuracy .

在论文的后阶段，设计了实验室中进行的两个层次的考核和标定试验，并对应用中必然遇到的物面光照度、图像对比度、测量距离和焦距的改变，对试验样本测量精度的规律作出了初步分析，为新方法的进一步完善提供了有价值的工作基础。

The res ults of arc-starting and welding tests for titanium alloy are also presented in detail in the paper . Tensile strength of welding joints has reached the demands of we lding standard, esp. no spatters on back weld are obtained in contrast w ith EBW.

文中详述了空心阴极焊枪设计、引弧试验情况及钛合金焊接工艺试验，结果表明焊接接头拉伸强度达到标准的要求，特别是与电子束焊相比，焊缝背面无焊接飞溅。

The company attaches great importance to the cooperation with international famous electrical appliance manufacturers and has successfully cooperated with Siemens, ABB, Eaton, Schneider and All-Russian Electrotechnical Institute in technology and production.

公司具有雄厚的研发和设计能力，拥有省级高压电器开关设备产品质量检测站、省电磁线产品质量检测站，建有&省级企业技术中心&、&省高压电器试验开发研究院&、&省高压电器试验基地&、&博士后科研工作站&和&浙江清华长三角研究院高压电器研发中心&。

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。