pef 中文意思是什麼

pef 解釋
最大呼氣流量
  1. The primary outcome was morning peak expiratory flow ( pef )

    主要轉歸是早晨峰呼氣流速（ pef ） 。
  2. The expression efficiency difference between ped5 and pcdhfrl, a vector utilizing cmv enhancer / promoter ( pcmv - ie ) for foreign protein production, was analyzed using human interferon - p ( ifn - ) gene and human secreted alkaline phosphatase ( seap ) gene as reporters. when analyzed in transient expression, ped5 showed a little more protein produciton than pcdhfrl. however, in continuous expression, when serum concentration was lessened to slow down cell proliferation, ped5 expressed 3. 1 times more reporter proteins than pcdhfrl, which implied that pef - io was less affected by cell cycle status in contrast to pcmv - ie, making ped5 a good expression vector for foreign protein production

    應用人-干擾素（ ifn - ）和人分泌型堿性磷酸酶（ seap ）基因作為報告基因，對含有巨細胞病毒即早期啟動子（ p _ （ cmv - ie ） ）的表達載體pcdhfr1和ped5表達外源蛋白的能力進行了比較，發現對于瞬時表達， ped5略好於pcdhfr1 ；在穩定表達中，通過降低血清濃度，使細胞增殖緩慢，這時ped5表達外源蛋白的能力較pcdhfr1高3 . 1倍。
  3. ( 5 ) when pgcs were cultured on different feeder layers, the better results were got if pgcs were cultured on sto and mef1 feeder layers, when pgcs were cultured on thawed sto feeders, pef, inactivated pef feeders, 0. 1 % gelatin, we can not get typical eg colonies

    （ 5 ）用不同飼養層培養pgc ，實驗結果證明pgc在新鮮製作的sto和mef ~ 1飼養層上，可以得到傳3代以上的eg集落； pgc在鋪有解凍的sto飼養層細胞、 pef或絲裂黴素c處理過的pef 、塗有0 . 1明膠的4孔板上，一直沒有得到典型的eg集落。
  4. Pef peak expiratory flow

    最大呼吸流量
  5. The level of cell apoptosis in pulmonary tissues of 7d tail - suspended rats during simulated weightlessness increased significantly ( p < 0. 01 ), but that of 21 d had not a prominent change ( p > 0. 05 ). conclusion 1. simulated weightlessness in tail - suspended rats has certain effects on lung function. fevo. 3 %, peak expiratory flow ( pef ) and maximal voluntary ventilation ( mvv ) tend to decrease, especially fevo. 3 % in 7d and mvv in 21d decrease significantly

    3 、大鼠肺組織普遍存在凋亡細胞， 7d尾懸吊模擬失重大鼠肺組織細胞凋亡水平明顯高於對照組，且具有統計學意義（ p 0 . 01 ，但21d尾懸吊軍醫進修學院碩士學位論文尾懸吊模擬失重對大鼠肺臟的影響模擬失重大鼠肺組織細胞凋亡水平與對照組相比無顯著性差別o 0刀5卜結論1 、尾懸吊模擬失重對大鼠肺功能有一定影響。
  6. In this study, we first constructed a vector containing human elongation factor la subunit promoter ( pef - 1 ) for transcription of genes of interests, and mouse dihydrofolate reductase ( dhfr ) gene under control of sv40 promoter ( psv4o ) for clonal selection and amplification. the vector was named ped5

    本研究首先構建了含有人延伸因子1亞基啟動子（ p _ （ ef - 1 ） ）和小鼠二氫葉酸還原酶（ dhfr ）加壓擴增基因的表達載體ped5 ，用於外源基因的常規表達。
  7. L. a total of 312 fetuses were collected from 27 wuzhishan inbreeding pigs ( wzsp ) and white minitype pigs to study the factors influencing the establishment of porcine embryonic germ cells, and we draw the following conclusions : ( 1 ) we can get embryonic fibroblasts from d26 - 28 fetuses ( day of first mating is day 0, that is d 0 ) ; in this thesis, sto and mef1 were inactivated by incubation in medium containing 10 g / ml of mitomycin c for 1. 75h ~ 2h ; while pef were inactivated by the same medium for 2. 25h ~ 2. 5h

    本實驗以中國近交系五指山小型豬（ wzsp ）和微型白豬為材料，先後從27頭豬採集了312枚早期胎兒用於進行豬胚胎幹細胞（ eg ）建系影響因素研究，得出如下結論： （ 1 ） d26 - 28豬胎兒可用於製作胎兒成纖維細胞。製作飼養層時， sto 、 mef ~ 1細胞用10 g ml絲裂酶素c處理1 . 75h 2h ； pef細胞用絲裂酶素c處理2 . 25h 2 . 5h 。
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