随着山东省环保政策的持续深化，"五个Reduction替代方案"已成为制造业、能源等行业项目立项或扩建的刚性准入门槛。该方案要求企业在新增污染物排放前，必须明确减量替代来源，确保区域环境质量不降低。这一政策从技术层面看似简单，但实际操作中却面临多重困境。 企业普遍遭遇的痛点包括：政策理解偏差导致材料反复修改，跨部门协调耗时长达数月，专业团队缺失使方案编制质量难以达标。更为严峻的是，部分企业因方案未 ...

This is a critical stage for strawberry swelling and peak fruiting. If the temperature inside the greenhouse drops below 5°C, it will cause fruit frostbite, flower and fruit drop. In severe cases, it ...

Editor's note: Featuring quantifiable targets for carbon reduction, pollution control and ecological protection, the draft outline of the 15th Five-Year Plan provides the roadmap for China's comprehen ...

"I love the people, and the culture here is really amazing," the 28-year-old Briton shared on Wednesday at a brand event ahead of the Formula 1 Chinese Grand Prix. "And every time we go to the ...

BEIJING, March 10 (Xinhua) -- Inside Beijing's conference rooms, the final draft of China's 15th Five-Year Plan is being scrutinized. A centerpiece of the top-level roadmap sets out a profound ...

Titan Mining 已经开始从其纽约示范工厂发运小批量石墨精矿，并开启了一个充分融资的可行性研究，以将采矿、选矿和二级加工规模化到年产 40,000 吨。这使得为数不多的美国天然片状石墨项目之一从试验工作走上了从测试到拟在 2026 年末或 2027 年初做出施工决策 ...

频谱扩展 技术广泛应用于功率变换器中，用于降低电磁干扰（EMI）噪声。在实际应用中，设计人员需要仔细考量 FSS 设计中的多个参数，在优化 EMI 性能的同时尽量减少副作用。 本文将介绍 FSS 的调制波形、频率和幅度等参数，并分析它们对 EMI 频谱的影响。 文章还将讨论评估 频谱扩展 技术以优化 FSS 参数的三种关键方法，并介绍 MPS 能够在各种应用中实现 FSS 设计的灵活解决方案。

扫码咨询2026年新航道春季班March 7, 20263分钟学会一个雅思7分句系列 | | 栏目推送说明3分钟学会一个雅思7分句/段系列，每次教你学会一个7分句/段。雅思7分作文，就是日复一日、点点滴滴的积累。Some people think that a high salary is the most important factor when choosing a job.Do you t ...

路透社记者：美国总统特朗普上周六在佛罗里达州接待了十几位拉美和加勒比国家领导人，白宫称之为“美洲之盾”峰会。特朗普并未特别提及中国，但警告称，美不会允许“敌对外国势力”在西半球包括全球重要货运通道巴拿马运河获得立足之地。中方将如何维护在拉美的众多战略 ...

The Global Science and Technology Backyard Center in Hainan province is expected to attract both Chinese and international agricultural enterprises to establish operations. By building a global ...

BEIJING, March 5 (Xinhua) -- China will accelerate the green transition across the board and cut carbon dioxide emissions per unit of GDP by a total of 17 percent in the 2026-2030 period, according to ...