Nuhou Hui
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Hoʻohana ʻia ʻo Liquid Nitrogen Tank-Hanai Holoholona Māhele Semen Frozen
I kēia manawa, ua hoʻohana nui ʻia ka insemination artificial o ka pua hau hau i ka hana ʻana i nā holoholona, a ʻo ka pahu wai nitrogen wai i hoʻohana ʻia no ka mālama ʻana i ka hua hau hau ua lilo ia i ipu waiwai nui i ka hana iʻa. ʻO ka ʻepekema a me ka hoʻohana pono ʻana a me ka mālama ʻana i ka wai nitrogen t...Heluhelu hou aku -
Ka Hoʻohana Nitrogen Liquid－ ʻO ke kaʻaahi Maglev kiʻekiʻe-mehana kiʻekiʻe
Ma ke kakahiaka o Ianuali 13, 2021, ua hoʻolauna mua ʻia ka superconducting superconducting high-speed maglev engineering prototype a me ka laina hoʻāʻo e hoʻohana ana i ka ʻenehana mua o Southwest Jiaotong University ma Chengdu, Sichuan Province, Kina. Ua maʻi ...Heluhelu hou aku
