实验法

This article mainly carried on has put down work the seat, introduced stood upside down suspends the system each control method, has carried on a more detailed introduction to the condition space law; Has used Newton - the Euler method modelling; Proposed realizes with the condition space control method to a level stands upside down suspends the system the stable control, and has carried on the simulation experiment; In the experimental simulation, through change parameter R and Q, stands upside down with the condition space control method in the reality suspends on the system to carry on the confirmation, has realized the swing link balancing control, confirmed this plan to have the certain antijamming ability.

本文主要进行了以下工坐，介绍了倒立摆系统的各种控制方法，其中对状态空间法进行了较为详细的介绍；采用了牛顿-欧拉方法建模；提出用状态空间控制方法来实现对一级倒立摆系统的稳定控制，并进行了仿真实验；在实验仿真中，通过改变参数R和Q，用状态空间控制方法在实际倒立摆系统上进行验证，实现了摆杆的平衡控制，验证了该方案有一定的抗干扰能力。

Methods A series of improved experiments on barium chromate spectrophotometry without heating and the experiments of precision and accuracy,as well as comparison of experimental data between the improved method and the National Standard Method were carried out.

方法采用不加热方法，对铬酸钡分光光度法进行一系列改进实验，并进行了精密度及准确度试验，与国家标准方法的测定结果进行了比较实验。

The Iron content in the solution will be reduced toless than 0.01 g/L.- Copper-smelting smoke dust ; Copper sulfate ; Iron removing ; Technology

本研究采用通氧和过氧化氢两步氧化法除去炼铜烟灰酸浸液中的铁，具有除铁效率高，操作条件容易控制等优点。1 实验1 。1 实验仪器与药品3 0 %过氧化氢，1 7%浓氨

In this paper,two experimental methods had been adopted to verify the correctness and practicality of the shape meter method:one is to roll aluminum plate and calculate the shape stiffness of mill and rolled piece,then survey aluminum plate crown to verify shape stiffness equation ;the other is to calculate survey data off line of hot continuous roll.

采用两种实验方式验证了板形计法的正确性和实用性，其一是通过轧铝板实验，计算轧机板形刚度和轧件板形刚度，由实测铝板凸度验证板形刚度方程；其二是由CVC板形控制热连轧机实测数据，用离线计算自适应系数的方法验证板形测控数学模

Orthogonal experimental method is applied to design experiments of diamond tool wear.B asalt is milled on CNC stone machine with electroplated diamond mill.The diamond mill is made with elec-troplated method and lost maSS of diamond mill is measured with high precise balance.

采用正交实验方法设计金刚石铣刀磨损实验，在数控石材机床上铣削玄武岩，金刚石铣刀采用电镀法制造，铣刀磨损量采用高精密度电子天平测量。

Orthogonal experimental method is applied to design experiments of diamond mill wear. Basalt is milled on CNC stone machine with electroplated diamond mill. The diamond mill is made with electroplated method and lost mass of diamond mill is measured with high precise balance.

采用正交实验方法设计金刚石铣刀磨损实验，在数控石材机床上铣削玄武岩，金刚石铣刀采用电镀法制造，铣刀磨损量采用高精密度电子天平测量。

Single factor method were compared to the concentration of dyes, dye bath pH, temperature, Dyeing time to do a series of gradient experiment, the two groups reached on experiments with suitable for dyeing process conditions,such as the best dye pH, suitable dye concentration, Dyeing appropriate time,temperature values of humic acid and fulvic acid were dyeing wool and silk, and which the general situation has deep understanding.

采用单因素对比法分别对染料的浓度、染液pH值、染色温度、染色时间等做了系列梯度实验，得出了两组上染实验的最佳染液pH值、染料合适浓度、适当染色时间、适宜上染温度等工艺条件值，对腐植酸和黄腐酸分别上染羊毛线及真丝绸的大体情况有了很深的了解。

The sapphire becomes colorless and transparent after decolorization and decarbonization in successive annealings in air and hydrogen at high temperatures.

将TGT法生长的Al2O3晶体(φ110×80mm3)依次经过高温氧化气氛、高温还原气氛脱碳、去色退火实验，即&两步法&退火实验，晶体变成无色、透明。

Travel time in WC anvils was measured using pulse reflect method at room temperature and under cell pressure up to 3.0GPa.Experimental results indicate that the travel time in the WC anvils decreased linearly with cell pressure.

在常温、实验压力为0～3GPa条件下，利用脉冲反射法测量了纵波在碳化钨压钻中的走时，结果发现，随实验压力升高，碳化钨压砧的走时线性减少。

The experimental determination of effective inter—diffusion coefficient of non—reactive condition of immobilized enzymes: The immobilized enzyme was immersed into the substrate of dextrine solution. The De value was measured as well as fitted theoretically.

无酶解反应发生条件下，对消除活性后的固定化酶有效内扩散系数的测定：在本实验系统下，建立相应实验设备，采用浸入法测定了基质糊精在固定化酶中的有效内扩散系数，并进行了De值的拟合计算。

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。