selective agent 中文意思是什麼
selective agent
解釋
選擇劑-
Pig blie salts is the sodium salt of a conjugated bile acid made from pig bile, often used in bacteriological culture media as a selective inhibitory agent
性狀：本品系由豬膽汁精製而成的一種膽汁酸鈉鹽，是微生物培養基中常用的選擇性抑制劑。 -
The results also revealed that it was a reasonable choice to use carbenicillin as the antibiotics of inhibiting growth of remnant agrobacterium after co - culture, and when hygromycin was used as the selective agent, continuous selection at low concentrations ( 50 ~ 150mg / l ) produced the highest numbers of transgenic plants without escapes
試驗表明，在農桿菌介導高羊茅遺傳轉化中，抑菌劑宜選用梭節青霉素;以潮黴素作為選擇劑時，採用低濃度（ 50一15om留l ）連續篩選的方式比較合適，在該方式下，獲得的轉基因植株較多。 -
The suitable concentration of the selective agent kanamycin is 50mg. l - 1. the duration of infection and co - culture with agrobacterium influences soybean transformation evidently
農桿菌侵染時間和共培養時間對大豆的轉化有明顯的影響，侵染時間以15min為宜，共培養時間以3d為宜。 -
Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect
井下護泵除砂裝置主要用於產液氣量高，出砂能力大，利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上，將液體攜砂能力由地層進入泵管轉變為先過濾（雙層激光割縫篩管部分） ，再在除砂器內靜態沉澱、由單流閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與應用情況 -
On the medium containing 3 mg / l of ppt as selective agent, about 65 % of t1 seeds germinated, while only 5 % for wild - type seeds. on selection pressure - free medium, about 73 % of tl seedlings were gus - positive and none for the control seedlings. this is coincided with the mendel ' s law of 3 : 1 segregation
T _ 1代的種子在含ppt3 . 0mg l的萌發培養基上萌發率為65 ，在沒有篩選壓的培養基上生長的苗子的gus陽性率為72 . 82 ，符合孟德爾的3 ： 1的分離定律（去除本身不萌發的因素） 。 -
Bile salts no. 3 is a specially modified and refined bile salts, often used in bacteriological culture media as a selective inhibitory agent
性狀：本品系一種經特別改良精製而成的膽鹽，是微生物培養基中常用的選擇性抑制劑。 -
Different plugging ability of selective water plugging agent for oil and water
選堵劑對油水的封堵能力 -
Optical prescription of the selective water plugging agent and its application in songfangtun oilfield
選堵劑的最佳配方及其在宋芳屯油田的應用
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