| 1. | Copper indirect cylinders for domestic purposes - open vented copper cylinders - requirements and test methods 家用铜制间接热水罐.开口式铜制热水罐.要求和试验方法 |
| 2. | In this first successful experiment , researchers from the united states and england were able to cloak a copper cylinder 在这个首次成功的实验中,英美两国研究人员成功地将一块铜柱隐形。 |
| 3. | In this first successful experiment , researchers from the united states and england were able to cloak a copper cylinder 在这个首次成功的实验中,英美两国研究人员成功地将一块铜柱隐形。 |
| 4. | 2 . with the mathematical model , the simulation on o 3 . 5 x 8 . 75mm pillar copper cylinders for varying the pulse width of the signal has been done 2应用所建模型,对3 . 5 8 . 75mm柱形铜柱进行了被测信号脉宽变化的仿真计算。 |
| 5. | In our country the method of pressure - measuring with copper cylinders adopts the system of static calibration on the whole . the serious static - dynamic discrepancy will be caused when the copper cylinders statically calibrated are used to measure the dynamic chamber pressure 我国的铜柱测压法基本上仍沿用静态标定体制,而静标铜柱用于动态膛压测量会产生严重的静动差。 |
| 6. | 5 . the methods of temperature - correcting on copper cylinders and copper spheres are discussed . the method of unitive temperature - correcting on plastic pressue - measuring elements is put forward for the first time . large quantities of quasi - dynamic calibration tests in different temperatures are carried out on the dropper - hammer hydraulic dynamic pressure calibration device and the unitive temperature - correcting formula which accords with the traditional correcting method is got 在落锤液压动标装置上组织了多批次的铜柱、铜球高低温准动态校准试验,探讨了建立温度误差统一修正公式的可行性,建立了测压铜球,测压铜柱符合我国传统修正方法的温度统一误差修正公式。 |
| 7. | 1 . the mathematical model of copper cylinder pressure - measuring system is established according to the pressure - measuring mechanism of copper cylinders and the numerical solution program is made . the simulation of this model has been done and the simulation result agrees with the measuring result quite well . according to the simulating calculation , the regularity of copper cylinder deformation under different pressure is obtained 论文主要工作体现在以下几个方面: 1从铜柱测压机理出发,建立了较为完善的/ 1铜柱测压系统的数学模型,编制了数值求解程序,并进行了仿真计算,仿真结果与实验测量结果基本相符,通过仿真计算,获得了测压铜柱在压力作用下的变形规律。 |
| 8. | 3 . a series of quasi - dynamic calibration tests by varying the pressure pulse width for the < t > 3 . 5 x 8 . 75mm pillar copper cylinders and o 4 . 763mm copper spheres are done on the dropper - hammer hydraulic dynamic pressure calibration device . by means of data analysis , the regulations of pulse width ' s effect on the two types of plastic pressure - measuring elements are obtained 3利用落锤液压动标装置组织了3 . 5 8 . 75mm柱形铜柱、 4 . 763mm铜球的变脉宽准动态校准试验,通过试验数据处理,获得了两种型号塑性测压器件的脉宽影响规律。 |