In Philadelphia, Black Tour Guides Balance Local History With “His Story”
Keshler Thibert examines the persistent racial divide between traditional interpretation and marginalization in the historic tour industry
Catching Up With a Baseball Legend in Port Richmond
The 2024 Major League Baseball season cautiously begins today with no fans in the stands and just 60 games. Kimberly Haas introduces us to a little-known local celebrity of the sport: The Neatsfoot Oil Refineries Corporation
Advocates Mobilize to Save a Mid-Century Modern Icon
In Chestnut Hill, the Dorothy Shipley White House gets a helping hand
记录在开发electron-ssr过程中遇到的问题 - 宁静方能致远:首先是项目介绍，其实这个项目就是给shadowsocksr-python项目加一个GUI壳，所众它的功能就是为了FQ。GitHub地址在这 其次，本文这里只记录这此在2021年底开始的重构经历，因为之前的伕码写得实在比较乱（我一开始只是打算练习用的。。。）。OK，话不多 ...
On the eve of Independence Day 2024, Amy Cohen uncovers some inconvenient truths about our nation’s first president and a war memorial in Washington Square
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Celebrated architect Denise Scott Brown and writer Jeremy Eric Tenenbaum take us back to the 1960s when an army of neighbors fought city government to save South Street from the Crosstown Expressway
Real Estate Developer Gets His Bearings at Wayne Junction
Ken Weinstein declares victory after a battle to rescue two decaying industrial buildings in Germantown
The Perfect Father’s Day Card For My Gay Dad
For Father’s Day, Amy Cohen shares memories of her civically engaged dad who came out as gay in the late 1970s and lived with HIV for 20 years
Reporter to Icon: the Rise of Philadelphia and the Critic Who Covered It
正丁烯的开发与利用 - 豆丁网:2021-11-10 · 正丁烯及混合丁 烯作为燃料，目前，在美国及西欧占有很大的比例。美 国烷基化油的总生产量约占原油处理量的6．2％，催 化裂化c。绝大部分用于制造烷基化油。 目前，我国对正丁烯的化工利用，主要是脱氢制 丁二烯。
