比重清選機 的英文怎麼說
中文拼音 [bǐzhòngqīngxuǎnjī]
比重清選機
英文
specific gravity separator- 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
- 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
- 清 : Ⅰ形容詞1 （純凈） unmixed; clear 2 （寂靜） quiet 3 （清楚） distinct; clarified 4 （一點不留） w...
- 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
- 機 : machineengine
- 比重 : 1 （部分在整體中所佔的分量; 比值） proportion 2 [物理學] （物體重量和其體積的比值） specific grav...
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Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers
由於三峽工程水輪機技術上的復雜性和挑戰性，在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上，在機組議評標階段，對招標文件進行分析和投標商對投標文件進行澄清說明后，經評議比選，業主又決策了幾個重大技術問題，主要有：水輪機設計水頭的確定，負傾角葉片水輪機的應用，兩套水力設計，舍棄初期轉輪，蝸殼進行水壓試驗等。Based on the strong and effective collection and storage capacity of the group, we have set up our own collection, storage and processing system, including the storage yard of 50, 000 square meters, the processing and finished product storehouse of 2000 spare meters, and the large - scaly compositive machine that integrates rough selector, pebble selector, specific gravity selector, leash shifting machine and the granule size, in addition the hand - choosing workshop that can hold 250 people, can guarantee to offer high - quality products of more than 120 tons to customer every day
以生威集團強大而高效的收儲能力為基礎，我們建立了自己的收儲加工體系， 5萬平方米存儲場地， 2000平加工及成品貯藏庫，以及集粗選、去石、比重、粒形分離、大小選別為一體的大型綜合清選機械和可容納250人的手選車間，可以保證每天為客戶提供120噸以上的高品質精選產品。The mutant pel - d92l was expressed in pichia pastoris gs115, sds - page detection showed that the expression product pel - d92l - gs is different from pel - gs, and its " yield decreased dramatically, the themostability of pel - d92l - gs is also different from the pel - gs, but their optimum temperatures are same. 3. directed evolution of pel through random mutagenesis mutagenesis pcr carried out in error - prone conditions was used on the vector psk - pel, using the oligos " beginning " and " end ", homologous to the 5 ' and to the 3 " ends of the gene of pel respectively
三、 pel基因的隨機誘變用易錯pcr方法對pel基因進行隨機誘變， pcr產物與ppic3 . 5k連接，轉化大腸桿菌，獲得的混合質粒電轉化畢赤酵母gs115 ， omm平板篩選適于低溫或對熱穩定的重組子，篩選獲得一株最活反應溫度、熱穩定性、發酵酶活均有提高的突變體pel - ep5 - gs ，其最活反應溫度為45 ，比野生型高出5 ； 40處理30min殘留活性為56 ，大大高於野生型的6 ；初始ph7 . 3528條件下培養72h ，發酵上清酶活為325u / ml 。
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