试验设计

If air-pressure controlling can satisfy the frequency response test, it will meet the designing demands of customs and its air-pressure controlling method in our system.

作者设计的这套系统采用气压控制方式，为了确保系统满足响应频率要求，前期作了大量的计算、试验及仿真实验研究。

10 7 Cell/ml inoculation quantity would result in adequate contents of higher a lcohols and biacetyl and appropri-ate alcoholicity and fermentation degree.

设计了3个不同接种量，试验其对酵母代谢副产物含量的影响，结果表明，控制接种量在2.0×107个/ml时，对啤酒风味物质高级醇和双乙酰含量合适，并可使啤酒有适当的酒精度和发酵度。

Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.

云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。

Through the characteristic experiment to five PVC filmducts with different hole spacing,a series of design parameter was recom-mended under the allowable error(±10%)of hole discharge air volume per u-nit lengh.

通过在鸡舍环境下对五组不同孔口分布的带孔PVC风管的送风均匀性试验，推荐了在孔口气流一致性偏差允许范围内(±10％)带孔PVC风管的工程设计参数。

It further proves that on line analysis of sodium aluminate can be completely realized through detecting its conductivity rate.

结合氧化铝生产过程中铝酸钠溶液的特点，介绍了一种在线分析仪的设计思路及主要构成，并对其精度及可靠性试验作了详尽阐述，进一步证明通过对铝酸钠溶液电导率的检测完全可以实现其溶液成分的在线分

For the designed digital controller, the hybrid digital/analog computer simulation of the robust active suspension system is carried out and simulation results are given.

对设计出的数字控制器应用数模混合仿真方法对主动悬挂鲁棒控制系统进行了试验模拟。

The hardware consists of industrial personal computer, temperature data collecting module, analog output card and thermocouples. With Visual Basic6.0 as a development platform, the software is based on control algorithm.

其温度控制通常是通过高频加热设备上的手动旋钮调节输出功率，从而控制温度，这样很难达到精确控制试验样品的升降温速度和进行恒温控制，本文设计一套高频感应加热设备温度控制系统，控制界面友好，可以直接在计算机上设定高频感应加热设备的温度变化曲线。

With the hydraulic press as the actuator, we designed a computer analogue control system by closed-loop electro hydraulic proportional valve to the moving speed of sliding block of the hydraulic press, which lays a foundation for the further key parameter control.

以试验液压机作为执行机构，设计了对液压机速度进行控制的计算机模拟量闭环电液比例流量控制系统，为进一步实现液-固挤压复合材料关键参数的控制奠定了理论基础。

The apparatus adopts the technique of one-chip computer,can set ignition advance angle at random rev of the engine at any time and assists the power test of the engine.The apparatus can survey and describe the best ignition advance angle curve of motorcycle engine and affords gist for the design of motorcycle engine and ignition control.

该仪器采用单片机技术，能够在任意发动机转速下设定任意点火提前角，配合发动机测功试验，可以快速测绘出摩托车发动机最佳点火提前角曲线，为发动机和点火器设计提供依据。

Current density, anolyte acid and concentration of SO42 in anolyte are notable factors influencing the current efficiency, oxidation rate and cell potential.

通过均匀设计的电解条件试验得出：电流密度、阳极液酸度和阳极液硫酸根浓度为影响电流效率、氧化率和槽电压的显著因素。

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。