如何从网页提取关键词对应数据并导入Pandas DataFrame？

背景与原有实现 #

之前我通过规整的文本文件读取数据到Pandas DataFrame，代码如下：

import pandas as pd

df = pd.read_table("organizedValues.txt", delimiter="\t")

当前待处理的数据情况 #

现在需要处理的分子数据来自独立网页，每个分子对应一个结构固定的网页，数据示例如下：

CH4   Methane                  
    13.00000        Things in unit                             
     4.00000        L, units in unit defintion                     
   262.22300        mMass (lb/mol)                              
   300.00000        K_0 (C)                                           
   100.45200        V_0 (m^3/mol)                                    
   719.08310        Eta_0 (-)                                       
     0.00000        Some parameter                           
     0.00000        Another parameter                           
     0.00000        Strain (-)                            
   200.00000        K_1 (C)

尝试将网页数据保存为本地文件ch4.txt后，格式混乱，无法用read_table正常读取，文件片段如下：

{"name":"test2","path":"test2","contentType":"file"},{"name":"test5","path":"test5","contentType":"file"}],"totalCount":500}},"fileTreeProcessingTime":25,"foldersToFetch":[],"reducedMotionEnabled":null,"repo":{"id":yyy,"defaultBranch":"main","name":"code name","ownerLogin":"username","currentUserCanPush":false,"isFork":false,"isEmpty":false,"createdAt":"2022-04-31T01:30:52.000Z","v=4","public":true,"private":false,"isOrgOwned":false},"symbolsExpanded":false,"treeExpanded":true,"refInfo":{"name":"main","listCacheKey":"XXX","canEdit":false,"refType":"branch","currentOid":"XXX"},"path":"or","currentUser":null,"blob":{"rawLines":["\nCH4 Methane "," 13.00000 Strain\n(-) "," 0.00000 K_0 (C)
"," 300.00000 Things in unit "," 13.00000
Eta_0 (-) "," 756

目标与需求 #

需要提取指定参数（如"Strain (-)"、"K_0 (C)"等）对应的数值，最终整理为如下结构的Pandas DataFrame：

Name   Strain (-)   K_0 (C)    Things in unit  Eta_0 (-)
1   CH4    0.00000      300.00000  13.00000        756  

优先寻求直接从网页获取数据并转换为DataFrame的方案，无需保存本地文件。

内容的提问来源于stack exchange，提问作者Ant