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样品检验项目系统
这是一个用vb+SQL Server数据库编写的样品检验代码。包括样品的购买库存以及检验的各项程序,是一个很好的vb数据库参考代码(with vb+ SQL Server database prepared by the test sample code. The samples include the purchase of inventory and inspection procedures, is a good reference source database vb)
- 2005-03-23 18:11:17下载
- 积分:1
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DATA2A
这是在MATLAB环境下进行电力系统暂态稳定分析的pst源程序,该文件定义了一个4机8节点的系统模型。(This is the MATLAB environment in power system transient stability analysis of the pst source, the document defines a 4-machine system model 8 nodes.)
- 2008-07-18 11:43:47下载
- 积分:1
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HydroInfoSystem
水文管理信息系统,整理水文数据,绘制水文图(Hydrological management information system, collation of hydrological data, hydrological Figure Drawing)
- 2009-03-29 23:03:13下载
- 积分:1
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glue
GLUE通过蒙托卡罗样点用来分析水文模型参数不确定性分析(GLUE through Monte Carlo samples used to analyze the hydrological model parameter uncertainty analysis)
- 2020-12-05 11:29:23下载
- 积分:1
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SEVEN-change
这是关于七参数转换的代码,他的转换精度高,另外附有原始数据(Seven parameter transformation)
- 2020-07-03 11:20:02下载
- 积分:1
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methane
运用P-R状态方程,迭代计算甲烷气体压缩因子(The use of PR equation of state, iterative calculation of methane gas compressibility factor)
- 2009-02-25 09:04:13下载
- 积分:1
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972883872013_BEPS_GLOBAL_REVISE_5_4
可用于beps模型的构建,运用visual c++代码(Can be used to construct the BEPS model)
- 2020-11-10 19:39:46下载
- 积分:1
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DATA16M
这是在MATLAB环境下进行电力系统暂态稳定分析的pst源程序,该文件定义了一个16机的系统模型。(This is the MATLAB environment in power system transient stability analysis of the pst source, the document defines a 16-machine system model.)
- 2008-07-18 11:41:55下载
- 积分:1
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PV-Controller
光伏控制器,自动充放电控制12V/10A光伏控制器(ERA-04-10-A):
额定工作电压:DC12V
最大充电电流:10A
最大放电电流:5A/路(共两路负载)
太阳能组件开路电压:25V
空载电流:<15mA
温度补偿:-20Mv/°C
工作环境温度:-25°C~+50°C
使用海拔:<5500M
控制器尺寸(mm):
光控电压(25°C):<=3.3V
过放保护电压(25°C):<10.8V
过放恢复电压(25°C):>10.8V
过充保护电压(25°C):>15.0V
过压保护电压:17.68V
过压恢复电压:14.7V
浮充电压(25°C):13.4V~13.7V
恢复正常充电电压(25°C):13.2V
结束正常充电电压(25°C):15.0V
(PV controller, automatic charge and discharge control 12V/10A PV controller (ERA-04-10-A): Rated voltage: DC12V Maximum charge current: 10A Maximum discharge current: 5A/Road (a total of two loads) Solar components of the open circuit voltage: 25V No-load current: < 15mA Temperature Compensation:-20Mv/° C Operating Temperature:-25 ° C ~+50 ° C with elevation: < 5500M Controller Size (mm): light control voltage (25 ° C): < = 3.3V over-discharge protection voltage (25 ° C): < 10.8V over-discharge recovery voltage (25 ° C):> 10.8V overcharge protection voltage (25 ° C):> 15.0V over-voltage protection Voltage: 17.68V overvoltage recovery voltage: 14.7V float voltage (25 ° C): 13.4V ~ 13.7V back to normal charging voltage (25 ° C): 13.2V end of the normal charging voltage (25 ° C): 15.0V)
- 2021-04-22 17:08:48下载
- 积分:1
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CREWESmatlabrelease
地震解释处理matlab工具箱,由权威的CREWES小组发行,直接解压后复制到matlab的toolbox下就可使用(seismic interpretation Matlab toolbox, the authority issued CREWES group, unpacked directly copied to the Matlab toolbox can be used under)
- 2007-03-14 16:45:36下载
- 积分:1