concentration cells 中文意思是什麼

concentration cells 解釋
濃差電池
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  • cells : cells]上皮細胞
  1. Hypokalemia itself may produce a metabolic alkalosis, since an increase in excretion of hydrogen ions occurs when the concentration of potassium in the tubular cells in low

    低鉀血癥可引起代謝性堿中毒,因為當在腎小管細胞中鉀離子濃度降低時氫離子的排泄就增加了。
  2. Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

    我們發現,低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應,並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降, dna聚合酶譜發生改變,應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活,細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇,細胞信號轉導通路camp - pka - creb和jnk sapk被激活。
  3. Since density increases with the concentration of red cells, an unusually low density may indicate anemia.

    血液的密度隨著紅血球的濃度而增加,因而過低的血液密度可說明患者貧血。
  4. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 (含2既的小牛血清,常規量雙抗)為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式(例如,從0一一6 ,凍存速度為一0 . 05 / min ,再以一0 . 5 / min的速度從一6一一40 ) ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養,解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁,但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  5. In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv

    理化學研究表明,該病毒為rna病毒,對氯仿、乙醚敏感;胰酶試驗中,經37 、 1小時處理的病毒,仍然能夠在貓源細胞fcwf細胞上生長,並且毒力基本保持不變;耐酸性試驗中,病毒分別在ph5 . 0和ph3 . 0經37作用2小時,毒力僅下降一個滴度;耐熱性試驗中,該病毒在恆定溫度50 ,設定不同時間,從5分鐘到150分鐘,毒力均有不同程度下降,其中, 50作用30分鐘,病毒平均滴度下降2個單位; 50 , 60分鐘, cpe消失;恆定時間1小時,設定不同溫度( 50 - 60 - 70 - 80 ) ,病毒在細胞上完全喪失增殖能力, cpe消失。生物學試驗,利用實驗室現有條件,選擇不同的細胞系對該病毒進行培養,發現該病毒對貓源細胞fcwf最敏感; mdck細胞次之; f81細胞經多次傳代,亦可出現cpe ;而vero細胞則不敏感。血凝試驗表明,該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。
  6. As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured

    用粉末x射線衍射儀鑒定它們的結晶相;在( 600 1000 )范圍內,以燒結體作為電解質隔膜,多孔性pt黑為正、負電極, pt - rh合金網為集電極,分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能,研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。
  7. On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation

    接著採用sio2作為鈍化膜,從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果,結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低,這開路電壓的提高主要來源於降低了前表面復合。
  8. To investigate the consequence of this interaction, aes - rfp fusion protein expression vector was constructed and co - transfected into nih 3t3 cells with tle1 - gfp fusion protein expression vector. confocal microscopy observation showed that aes could interact with tle1 at the cytomembrane region. moreover, this interaction inhibited the concentration of tle1 into nucleus

    在構建了紅色熒光蛋白aes表達載體后,將其與tle綠色熒尤蛋白載體共轉染細胞,共聚焦顯微鏡觀察發現這兩種分子在胞漿中有共存現象,而且aes的表達可抑制tlei向胞核內的聚積。
  9. Cells in concentration - dependent manner. it was also found that the number of death cells stained by trypan - blue was increased by the addition of a

    ,細胞數量減少,部分細胞突起消失臺盼藍著色細胞數增加
  10. The concentration of fbs ( fetal bovine serum ) and ncs ( newborn calf serum ) was influential on the culture process of mef ( mouse embryonic fibroblast ) and es cells

    血清濃度的高低對胎鼠成纖維細胞和es細胞的培養過程是有影響的。無血清或低濃度的血清能抑制細胞分裂增殖,使細胞生長出現停滯。
  11. Halophytes are adapted to obtain water from soil water with a higher osmotic pressure than normal soil water, so they need to be able to accumulate a high concentration of salts in their root cells

    鹽土植物的滲透壓高於土壤,這樣就可以從土壤中吸收水分,所以它們的根細胞中積累了高濃度的鹽分。
  12. Expanded bed adsorption ( eba ) is a novel bioseparation technique, which integrates clarification, concentration and initial purification into a single unit operation. it enables proteins to be recovered directly from unclarified cultivations of microorganisms or cells and homogenates of disrupted cells, without the need for prior removal of suspended solids. matrix is the principal " hardware " pillar supporting the successful application of eba

    擴張床吸附( eba )技術是一種新型的生化分離技術,它集成了固液分離、濃縮和初期純化於一步單元操作之中,可以直接從含有細胞和細胞碎片的發酵液或培養液中提取目標蛋白,而不必事先除去懸浮的固體顆粒。
  13. Rat cumulus - enclosed oocyte ( ceo ) and denuded oocyte ( do ) both spontaneously resume meiotic maturation in vitro, when cultured for 2h, the germinal vesical breakdown percentage of do reaches up to 88 %, and ceos get 53 %. oocytes begin to extrude first polar body 1 ( fb1 ) when cultured for 8h. mouse oocyte spontaneous maturation in vitro can be inhibited by 4mm hypoxanthine ( hx ) or 25um 3 - isobutyl - methylxanthine ( ibmx ). while, 4mm hx can not inhibit the spontaneous maturation of rat oocyte, and the lowest effective concentration of ibmx to inhibit rat oocyle spontaneous maturation in vitro is 50um. treated with the same concentration of ibmx, gvbd percentage of rat ceo is lower than that of do, the results indicat that cumulus cells delay rat oocyte spontaneous maturation and potentate the inhibition effect of ibmx, but it ' s not the case on mouse

    Ceo和do培養8h時都開始排出pb1 ;在卵母細胞成熟抑制模型中, 4mm次黃嘌呤( hx )和25 m的異丁基甲基黃嘌呤( ibmx )是小鼠卵母細胞成熟的有效抑制劑,但4mm的hx抑制大鼠卵母細胞成熟效果不理想,用hx - m199和hx - mem培養24h , gvbd率分別為61 , 81 ,而ibmx有效抑制大鼠卵母細胞自發成熟的最小濃度為50 m , ibmx可以降低大鼠ceo和do的gvbd率,但ceo中的卵母細胞gvbd率要顯著低於do的gvbd率, 100 m的jbmx處理24h后,大鼠ceo和do的gvbd率分別為24 , 84 ,提示卵丘細胞的存在可以延遲大鼠卵母細胞的自發成熟,有助於抑制卵母細胞成熟,但在小鼠上ceo和do的自發成熟差異不明顯。
  14. In our parthenogenesis experiments, we exposed 22 eggs to chemicals that changed the concentration of charged atoms called ions inside the cells

    在我們的孤雌生殖實驗當中,我們把22顆卵子養在可改變細胞內離子濃度的化學藥劑里。
  15. In order to study the mechanism of the effect of low concentration tfp on the proliferation of s. pombe, we watch yeast cells loaded with fluo - 3 under laser scanning confocal microscope ( lscm ). the fluorescence intensity reflected the cytosolic free calcium concentration. the result showed that, the cytosolic free ca2 + concentration in s. pombe cultured in ca2 + - free medium was 2 ~ 3 times lower than that in s. pombe cultured in medium containing 10umol / l ca24, while ca2 + concentration in s. pombe treated with 50umol / l tfp was 4 - 5 times higher

    本文發現增加胞外鈣濃度以及低濃度( 20 100 mol l )三氟拉嗪( tfp )不但能促進野生型s . pombe細胞的增殖,而且對mfp7菌株也有同樣的效應,這說明胞外ca ~ ( 2 + )和低濃度tfp對不同遺傳型裂殖酵母細胞的增殖均有促進作用。
  16. Super - high - concentration of glucose can accelerate the senescent process of human diploid fibroblast cells

    高濃度葡萄糖促進人二倍體成纖維細胞迅速衰老
  17. Super - high - concentration of glucose can accelerate the senescent process of human diploid fibroblast cells gao yunfei

    高濃度葡萄糖促進人二倍體成纖維細胞迅速衰老
  18. 5 - ht at certain concentration, can markedly stimulate proliferation of cultured trophoblast cells

    在一定濃度范圍內, 5 - ht可以刺激胎盤絨毛滋養層細胞分泌hcg 。
  19. 5 layer number of cortical cells in stem was n ' t changed evidently, however the ratio between cortical thickness and stem increased as well as the ratio between vascular cylinder and stem, up the gradient of nacl concentration. 6 stem dm of suaeda salsa remarkably decreased with increasing nacl concentration, so did the vessel dm of xylem in the stem

    ( 5 )隨鹽濃度的增加,莖皮層細胞層數未發生明顯的變化,但皮層厚度所佔莖的比重增加,維管組織占莖的比重同皮層厚度與莖半徑的比值表現出相同的趨勢。
  20. The result shows that mms can induce dna - damage of yeast cells and the situation of dna - damage aggravated with increase of mms concentration

    結果顯示mms能夠引起酵母細胞dna的損傷,並且隨著mms濃度的增加dna損傷程度加重, 0 . 5 %瓊脂糖凝膠電泳及eb染色顯示1 ~ 。
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