File:Entropyandtemp.PNG
原始文件 （1,770 × 1,170像素，文件大小：321 KB，MIME类型：image/png）
摘要
| 描述 |
Superposition of Entropy and Temperature Contour Maps (on a P-V diagram). Isotherms are shown as red lines, and adiabats are shown as black lines. This image was made by AugPi. |
| 日期 | 2003年12月30日 (原始上传日期) |
| 来源 | Transferred from en.wikipedia to Commons. |
| 作者 | 英语维基百科的AugPi |
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此graph图片可使用矢量图形重新创建为SVG文件。这具有很多好处；更多信息请参见共享资源:待清理媒体。如果存在此图片的SVG格式，请将其上传，然后将此模板替换为
{{vector version available|新图片名称}}。
建议您将SVG命名为“Entropyandtemp.svg”，这样在使用Vector version available（或Vva）模板时就不需要填写新图片名称参数。 |
许可协议
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Note: "subject to disclaimers" below may not actually apply. This file was tagged with {{GFDL-user-en}}, and after May 2007, Template:GFDL-self (on English Wikipedia) did not require disclaimers. Please check the image description page on the English Wikipedia (or, if it has been deleted, ask an English Wikipedia administrator). See Wikipedia:GFDL standardization for details.
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Note: This tag should not be used. For images that were released on the English Wikipedia using either GFDL or GFDL-self with disclaimers, use {{GFDL-user-en-with-disclaimers}}. For images without disclaimers please use {{GFDL-user-en-no-disclaimers}} instead. If you are the copyright holder of files that were released on Wikipedia, please consider removing the disclaimers. |
原始上传日志
- 2005-02-18 02:12 AugPi 483×483×8 (24794 bytes) Version of the image with the title removed.
- 2003-12-30 17:59 AugPi 500×500×8 (27364 bytes) Superposition of Entropy and Temperature Contour Maps (on a P-V diagram).
文件历史
点击某个日期/时间查看对应时刻的文件。
| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2019年7月27日 (六) 04:05 | | 1,770 × 1,170（321 KB） | PlasmaPerfi | Reverted to version as of 18:38, 26 July 2019 (UTC) |
| 2019年7月26日 (五) 18:43 |  | 590 × 390（86 KB） | PlasmaPerfi | Whoops, I didn't know Wikipedia didn't scale pictures. I lowered DPI a bit. | |
| 2019年7月26日 (五) 18:38 |  | 1,770 × 1,170（321 KB） | PlasmaPerfi | I improved the look of the plot. I added labels, a legend and made the lines clearer. Here's the Python code I used: <code><nowiki> import matplotlib.pyplot as plt import sympy f = 3 gamma = (f + 2) / f from sympy.abc import p, V, C adiabat = sympy.Eq(p*V**gamma, C) isotherm = sympy.Eq(p*V, C) fig, ax = plt.subplots() for equation, color, label in [ (adiabat, "k", "Adiabat"), (isotherm, "r", "Isotherm"), ]: needs_labels = True for C_value in np.logspace(0, 3, 15): q... | |
| 2007年1月5日 (五) 19:12 |  | 483 × 483（24 KB） | Kordas | {{Information |Description=Superposition of Entropy and Temperature Contour Maps (on a P-V diagram). Isotherms are shown as red lines, and adiabats are shown as black lines. This image was made by AugPi. <br> (c) AugPi, 2004. Licensed to Wikimedia. <br |
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