梯度離心 的英文怎麼說

中文拼音 [xīn]
梯度離心 英文
gradient cen trifugation
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • 離心 : 1 (不是一條心) be at odds with the community or the leadership2 (離開中心) centrifugal; eccen...
  1. Purification : density gradient centrifugation ( sucrose & cscl )

    :密梯度離心法(蔗糖&氯化銫)
  2. Density gradient centrifugation

    梯度離心
  3. In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field

    理論研究的結果表明,當力與溫同方向時,只要滿足ra > 7 . 81 2或ra0 > 4 2 ,多孔介質中即可發生力、重力與哥氏力共同驅動的自然對流。
  4. In the first trial, combination of enzymatic digestion was used to prepare suspensions of spermatogenic cells from adult mouse testis, and then a modified discontinuous percoll gradient centrifugation method ( 15 %, 22 %, 30 %, 40 %, 50 %, 60 % ) was introduced to isolate spermatids from the cellular suspensions. the content of spermatids in each isolated fraction by percoll method was determined by morphology ( wright - giemsa stain ) and flow cytometry analysis, and the viability of spermatogenic cells was assessed by using eosin y exclusion test

    在第一部分試驗中,首先利用連續3次組合酶消化成年小鼠睪丸制備睪丸細胞懸液,然後經6層非連續percoll梯度離心法( 15 、 22 、 30 、 40 、 50和60 )分,通過形態學和流式細胞術鑒定南京醫科大學碩士學位論文各個percoll組分中精子細胞的含量,並以伊紅y排斥試驗測定細胞的存活率。
  5. Diamond - like carbon gradient film on ti6a14v alloy substrate have been prepared by means of plasma source ion implanted - ion beam enhanced deposition ( psii - ibed ). for potential applications as artificial joint materials and artificial cardiac valve materials, its trobological performance and hemocompatibility has also been evaluated in the present ph. d. thesis

    本研究採用等子源子注入?子束增強沉積技術( psii - ibed )制備了鈦合金基類金剛石薄膜材料,對類金剛石薄膜這一新型人工關節材料和人工臟瓣膜材料的生物摩擦學性能和血液相容性進行了研究和評價,研究了摩擦磨損對材料血液相容性的影響。
  6. When the count arrived, he had under his touch his books and arms, his eyes rested upon his favorite pictures ; his dogs, whose caresses he loved, welcomed him in the ante - chamber ; the birds, whose songs delighted him, cheered him with their music ; and the house, awakened from its long sleep, like the sleeping beauty in the wood, lived, sang, and bloomed like the houses we have long cherished, and in which, when we are forced to leave them, we leave a part of our souls. the servants passed gayly along the fine court - yard ; some, belonging to the kitchens, gliding down the stairs, restored but the previous day, as if they had always inhabited the house ; others filling the coach - houses, where the equipages, encased and numbered, appeared to have been installed for the last fifty years ; and in the stables the horses replied with neighs to the grooms, who spoke to them with much more respect than many servants pay their masters. the library was divided into two parts on either side of the wall, and contained upwards of two thousand volumes ; one division was entirely devoted to novels, and even the volume which had been published but the day before was to be seen in its place in all the dignity of its red and gold binding

    當伯爵到來的時候,他只要一伸手就可以摸到他的書和武器他的目光可以停留在他愛的繪畫上他所寵愛的狗會搖頭擺尾地在前廳歡迎他小鳥們那悅耳的歌聲也使他非常高興於是,這座從長眠中醒來的房子,就象森林里睡美人所在的宮殿般頓時活躍了起來,鳥兒歌唱,花兒盛開,就象那些我們曾流連過很久,當不得不開的時候,以致把我們靈魂的一部分留在了那所房子里一樣,僕人們也高高興興地在前庭穿來穿去的有些是在廚房裡幹活的,他們飄然地滑下前一天才修好的樓,就好象在這座房子里已住了一輩子似的有些是車房裡幹活的,那兒有一箱箱編了號的馬車備用,看起來就象是已在那兒至少安放了五十年似的,在馬廄里,馬夫在同馬說著話,他們的態比許多僕人對待他們的主人還要恭敬得多,而馬則用嘶鳴來回答。
  7. Suppressor is the key part for ic instrument, and developing a high performance suppressor for ic instrument is quite important to gradient ion chromatography, to analysis of some ions which have strong affinities with the functional groups located on the surface of the pellicular ion exchange column packing

    抑制柱是子色譜儀的一個核部件,研製具有較高抑制容量的抑制柱對于子色譜法的淋洗、對于在分柱上保留時間長的子分析具有重要的意義。
  8. When the approach to get a direct binding molecule was proved not fruitful, attention was turned to find binding sources for the purpose of further isolating the binding protein. the first considered and also the relatively easier - obtained materials are some adhesion molecules. results showed, only n - cam 140 showed ambiguous binding

    , idin砰proteina磁珠為結合反應載體,從小鼠成年全腦勻漿作為結合起始材料,以蔗糖密梯度離心法進4行細胞亞組分分,以sds page顯示陽性結合條帶,以westernblot確定蛋白身份。
  9. Cell morphology was similar no matter what method was used. percentage of live cells was significantly higher in erythrocyte splitting method that was ( 91 4 ) % than in centrifugation method that was ( 83 5 ) %. proliferative ability of mscs seperated by erythrocyte splitting method at 2 to 6 generation was much higher than by another method. the maximal cell number was 4. 67 vs 4. 10 times that of the initial cell number at cell inoculation

    紅細胞裂解法較密梯度離心法細胞貼壁較慢, 36小時才可見零星細胞貼壁,兩種方法細胞形態相似。活細胞百分比,紅細胞裂解法為( gi士4 ) ,密梯度離心治( 83士5 ) ,有明顯差異。傳代培養: 2 6代范圍內,紅細胞裂解法較梯度離心法細胞增殖更旺盛(分別是按種時細胞數的4
  10. Study on the rapid purification of rat islet cells with push - type tube by modified mono - density gradient method

    推進式管結合單密法快速純化大鼠胰島
  11. Methods : gradient centrifugation and differential adherence were employed to isolate type pneumocytes from the lungs in the rats, proliferative activities were compared in the cultued cells from the young, adult and aged rats

    方法:應用梯度離心和貼壁培養分大鼠肺泡型細胞,比較幼年、中年和老年大鼠培養肺泡型細胞的增殖能力。
  12. This gradient in orbital periods causes shear : bits of material at slightly different distances from the center of the disk slide past one another [ see box on page 54 ]

    這種軌道周期的變化會引起切變:距圓盤中遠近稍有差異的物質,會彼此超前或落後(參見第67頁圓盤如何旋轉與輻射) 。
  13. The fetal liver stem cells were isolated by collagenase digestion, gravity sedimentation and density gradient centrifugation, identified by immunocytochemistry and evaluated by flow cytometry for their proliferation condition

    採用膠原酶消化、重力沉降及密梯度離心方法分人胎肝幹細胞,通過免疫細胞化學方法對其進行初步鑒定,以及應用流式細胞儀等對其生長狀況進行評估。
  14. The mechanism is that the introduced complementary oligonucleotides can bind to the corresponding mrna or double - stranded dna in genome and form partial double - stranded molecules or triple - stranded nucleic acid molecules by sequence - specific and nonsequence - specific antisense action, thus the target gene will be orientationally blocked and expression of the target inhibited so that therapeutic effect could be attained. in this study, we designed a fragment of human c ii ta cdna in antisense orientation using mrna of c ii ta as template. the primers were designed based on 94 - 500 nucleotides segment in 5 " end of ciita gene so that the interested gene contained 407 base pairs which included two aug codons in 1 16 and 188 nucleotides as well as the splicing site between the first and the second exons

    本研究設計以c tamrna為模板的反義cdna片段,從c ta基因5 』端第94位到500位核苷酸段設計引物,目的片段407bp ,覆蓋第116和188位兩個aug密碼子,也包含了第一外顯子和第二外顯子間的剪接位點:用常規分子生物學方法構建了反義片段的腺病毒表達載體( padeasy - 1系統) ;腺病毒載體經hek293細胞包裝產生含反義片段的重組腺病毒,用氯化銫密梯度離心法獲得純化的高滴腺病毒;進行體外基因轉移,分別用反義片段真核表達載體轉染p388d1細胞和用重組腺病毒感染hela細胞,觀察導入的c ta基因反義rna抑制細胞內組成型或誘導型c ta基因表達的作用,從而達到調控mhc -類分子表達的目的。
  15. Following are detailed steps of this system : in the segmentation section, we use three successive frames to detect the motion infomation of the pictures, by using blockmatching algorithm in two successive frames twice, we can get two pictures composed of motion blocks of the moving object, then we find out the common motion blocks of the two pictures, experiments prove these blocks approximately compose the moving object. after getting the motion blocks, we calculate the center of these blocks as the center of the moving object, thus we can use the center point as the origin, construct n straight linesjoining the boundry of the image and the center. on each line, we can find out a proper point near the object contour according to some criteria, then we use these n points as the initial points of the snake and let the snake converge on the object contour, thus finish the segmentation of the moving object

    本方案的實現過程為:分割部分:對運動目標的前後三幀進行兩次塊匹配運動檢測,通過找出兩個匹配結果中運動圖像塊的公共部分,獲得組成運動目標的圖像塊;求出運動目標圖像塊的形作為運動目標的中,以此中為端點,向四周發散出角間隔為的n條射線,射線的另一端終止於圖像的邊緣;在每條射線上按照一定的準則(點的和與目標中的距在一定閾值范圍內)找出n個初始輪廓點;以這些初始輪廓點作為主動輪廓模型( snake )的初始點,用改進的貪婪演算法使snake收斂到待分割的運動目標輪廓上。
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