花束
发表于 2025-3-23 13:31:48
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Guileless
发表于 2025-3-23 17:46:38
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NUL
发表于 2025-3-23 21:14:57
Giovanni Lanza,Paola Pucci,Luigi Carboni cannot be afforded by the farmers. This project aims at the development of a bio-hybrid tractor that runs on rider’s pedalling power coupled with electric motor power. In this tractor, the batteries used for the electric propulsion can be charged either using PV panels or the grid. In addition, a p
畏缩
发表于 2025-3-24 00:21:12
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Neutral-Spine
发表于 2025-3-24 03:25:13
Natural and Man-Made Emergencies,ority of the countries inclusive of India. It is caused also by drinking fluoride containing water. Retention of fluorine in bones and teeth occurs through F.–(OH.) exchange on their inorganic component known as hydroxylapatite. Endeavour of the present study is to design a column using activated al
HIKE
发表于 2025-3-24 09:19:20
Antonio Jurado,Jesús Pérez-Mayo. An extensive amount of biomass is accessible in many parts of the world and could be utilized either directly or as crude material for the production of different fuels. The motivation behind the present research is to find an appropriate strain for the fermentation of watermelon waste to get etha
老巫婆
发表于 2025-3-24 11:20:50
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装饰
发表于 2025-3-24 14:54:38
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iodides
发表于 2025-3-24 19:01:34
New Challenges in Gastrointestinal Endoscopyiron and steel pipes were sporadic and rather scarce, unskilled builders within the city cut trapezoidal channels for water to flow into the city. These channels were excavated from natural earth with low Hazen–Williams constant (0.01) avoiding major and minor losses. Modern materials like cast iron
amphibian
发表于 2025-3-25 00:15:05
Challenges for North Korea’s Nuclear Endgamealances, thereby affecting the ecological balance. Drastic ecological balance is a threat to the human existence on earth. Presently, awareness of this threat and the need to save the earth are being felt at large. Initiatives around the globe are underway to protect the earth from all disciplines a