membrane current 中文意思是什麼

membrane current 解釋
膜電流
  • membrane : n. 1. 【解、生】(薄)膜,隔膜。2. 〈古語〉(古文件的)(一頁)羊皮紙。-braneous , -branous adj. 膜(狀)的,膜質的;隔膜的。
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  1. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法,主要包括四個方面:採用兩陰極室夾一厚度較小的陽極室的隔膜(或離子膜)電解槽;使用比表面積較大的鐵網陽極;保持陽極室中有適宜濃度的濃naoh溶液;採用較低的電流密度和較高的電解速度。具體工藝參數是: 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  2. It set up the development of the world recognized high performance nanofiltration composite membrane of aromatic polyamide, on the basis of reviewing the development, the importance in the membrane separation technology, the classification, the fabrication technique and the current development of the research and the application of the nanofiltration membrane. polysulfone was chosen as the material for making the porous substrate because of its excellent compress - to - denseness resistance, its cheap price and its great availability. by fabricating an ultra thin polyamide functional layer on the polysulfone substrate through interfacial polymerization taking piperazine as the monomer in aqueous phase and trimesoyl chloride as the monomer in organic phase, high performance nanofiltration composite membranes of ultra low pressure and ultra high permeating flux were prepared

    選擇耐壓密性能優良,價廉易得的聚碸材料為制備復合膜基膜材料,哌嗪為水相單體,均苯三甲酰氯為有機相單體,通過界面聚合反應在基膜表面形成超薄功能層,制備了超低壓高通量聚哌嗪均苯三甲酰胺聚碸納濾復合膜,以0 . 1 mgso _ 4溶液為測試液,所得高脫鹽平板復合膜( )在0 . 4mpa下,脫鹽率為96 . 1 ,通量達85 . 2l
  3. In this paper all kinds of fuel cell, the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined. mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed. latest progress of membrane materials and instrument analysis technique in dmfc has also been described

    介紹了燃料電池的分類以及質子交換膜燃料電池( pemfc )的工作原理和研究現狀,並對直接甲醇燃料電池( dmfc )中有關電化學反應及傳遞過程的數學模型進行了比較和分析,描述了適用於dmfc的膜材料以及儀器分析技術的最新進展,認為直接甲醇燃料電池是目前較理想的燃料電池,有著廣闊的發展前景。
  4. There was much evidence showing that substantia gelatinosa ( sg ) of the spinal dorsal horn plays an important role in nociceptive information transmission from the periphery to central nervous system. thus, the present study firstly investigated the effect of nociceptin on membrane current of spinal dorsal hom substantia gelatinosa ( sg ) neurons by use of the whole - cell patch - clamp technique

    故灘究首先應用脊髓薄片膜片鉗全細胞記錄技術觀察了在電壓鉗制下孤啡肽受體的內源性配體nociceptin對脊髓背角sg神經元膜電流的影響作用以及其對脊髓背角興奮性和抑制性突觸傳遞的作用,其次觀察了nand
  5. A c a2 + / calmo dul in - dep endent pro te in kinas e i i ( c amkii ) antagoni st kn - 6 2 ( 5x l0 - ' mol / l ) presented in the intemal solution had no significan effect on the current peaks induced by extracellular nmda ( l0 # mol / l ), but prevented the inhibitory effect of b on inmda " these results indicate that gcs have rapid, reversible idebitory effects on lnmda intracellular application of b thiough microelectrode had no effect on inmda, howevet, extracellular application of b or b - bsa suppressed peaks of inmda : all these denote b exerts its influence on nmda receptor by cytoplasm membrane mechansms, which is naxnely rapid, nongenomic mechhasms

    加有快速、可逆的。非濃度依賴性抑制作用。通過微電極將b直接導入細胞內, inmda不受影響,而胞外給予b或besa , inmda減小,提示b對nmda受體的調控通過膜機制產生,這種作用與經典的基因組機制不同;因為廣譜激酶抑制劑和特異的pka抑制劑均可翻轉b的抑制效應, camk11抑制劑也可阻斷b的效應,而這些激酶抑制劑本身對inmda即有強烈的抑制作用: pka激動劑本身對inmda無明顯作用,也不影響b對l 。
  6. Rubber tree ( hevea brasiliensis ) is an important economic woody - crop in tropical areas. its latex is the unique source of crude rubber used in current industry. because of its special and important use, the rubber tree has been extensively planted in tropical areas. increase production is always the main target in rubber tree cultivation. since the ethrel was applied in increasing latex production in 1968 for the first time as a chemical stimulant, not only the latex production had been increased largely, but also a new set of rubber tapping system had been established, leading to a series of economic benefit. owing to ethrel " s extensive application, its side effects had been found more and more obviously, such as tapping dry, speeding up senescence, shortening the life span of rubber tree etc. in order to overcome the side effects and increase production more availably, for a long time, people had carried out lots of research work on cell level, membrane level, physiology and biochemistry of laticifer contents. but the mech anism why ethrel increased latex production was not yet understood completely. this study had cloned the ethylene receptor gene ( efrl ) from rubber tree, and researched the relationship between etrl expression in laticifers and ethrel stimulation on transcription level and protein translation level. the results were as follows : 1

    但是,由於乙烯利應用的普及,乙烯利刺激割膠引起橡膠樹發生死皮病及加速膠樹衰老,縮短膠樹壽命等副作用也越來越明顯。為了克服這些副作用,使乙烯利能更有效地刺激增產,長期以來,人們在細胞水平、膜水平和乳管細胞內含物的生理生化層面上進行了大量的研究,但仍未完全了解乙烯對膠樹的作用機制。本研究從分子水平入手,克隆橡膠樹的乙烯受體基因( etr1 ) ,並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中的表達及與乙烯刺激的關系,取得了以下結果: 1
  7. In this technology, entering the electric tank brine mass is this technology key, it has important effect to ionic membrane life - span, slot voltage and current efficiency

    在這項技術中,進入電解槽的鹽水質量是這項技術的要害,它對離子膜的壽命,槽電壓和電流效率有著重要的影響。
  8. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。
  9. Under the condition of ead generation, the low and high membrane level - 25 and - 55mv of voltage were clamped during the repolarization phase of action potential. on low membrane level of - 25mv, a slow inward current similar to

    在低鉀灌流並伴有ead的情況下,于動作電位復極相的低及高電位處- 25與- 55mv分別進行電壓鉗制。
  10. Secondly, we examined the actions of nociceptin on excitatory and inhibitory synaptic transmission to sg neurons. we finally observed the effect of anandamide on membrane current of sg neurons and on excitatory synaptic transmission to sg neurons. the comparison of anandamide and capsaicin actions was also analyzed

    De對脊髓背角sg神經元膜電流的影響作用以及其對脊髓背角興奮性突觸傳遞的作用並將其作用與capsaicin進行了比較研究。
  11. The effect of nociceptin on membrane current of sg neurons in the adult rat spinal dorsal horn under voltage clamp superfusion of nociceptin could induce an outward current on sg neurons of spinal dorsal hom at a holding potential of - 70 mv ; this action was dose - dependent with an ec $ o value of 0. 23 ^ m and hill coefficient of 1. 5

    Nociceptin在電壓鉗制下對成年大鼠脊髓背角sg神經元膜電流的影響在鉗制電壓為刁0mv的情況下,灌流給子nociceptin可以誘致脊髓背角sg神經元產生一外向電流並且呈濃度依賴性,它的ecs 。值為0二3卜m , hill系數為l 5 。
  12. Though membrane time arises to the antiseptic efficiency by way of reducing and corroding the density of the electric current and increasing the resistance of polarising to corroding the influence of the electric potential by oneself not big in advance

    雖然預膜時間對自腐蝕電位的影響不大,但通過降低腐蝕電流密度和增大極化電阻的方式也起到了防腐功效。
  13. To deal with gas separaion at high pressure and high temperature, inoghc membranes are used widely in the ligh of the production and the uitrahigh purity of hydrogen isotope requlred by some special professions and the defects of the current einpoyed membranes separation technology the preparation teehnology of high h - permselective membrane

    在涉及高溫、高壓環境下的氣體分離中,主要使用的是無機膜分離技術。針對特殊行業對氫同位素氣體處理量及超高純度的需求和現有膜分離技術存在的問題和不足,創新性地提出了利用耐熔金屬鋯等對氫的高滲透性,制備高選擇滲氫膜的分離技術。
  14. The paper summarize some relevant data and introduces the current research situation about the offects of intragen on photosynthesis, chlorophyll, photosynthetic rate, effeciency of solar energy utilization, dark reaction and photorespiration etc., on respiration and on some metabolic enzymes, including nitrate reductase, enzyme protective system of membrane - lipid peroxidation

    綜合國內外有關文獻,介紹了氮素對植物光合作用(包括光合色素、光合速率、光能利用率、光合暗反應、光呼吸等) 、呼吸作用和一些代謝酶(包括硝酸還原酶、膜脂過氧化酶促防禦系統)的影響。
  15. Standard test method for determining current carrying capacity of a conductor as part of a membrane switch circuit

    測定薄膜開關線路元件導體載流能力的標準試驗方法
  16. Current status of research on polyimide membrane mirror

    聚酰亞胺薄膜反射鏡的研究現狀
  17. Membrane potentials of the bovine aortic endothelial cells were recorded in current - clamp mode and loum ach was applied

    觀察到smc上主要存在的鉀通道電流為kc 。 ,對tea門)敏感,對4ap門)不敏感。
  18. Current research status of membrane bioreactor in wastewater treatment

    膜生物反應器在廢水處理中的研究現狀
  19. The dissertation consists of seven parts : chapter 1, reviews the current state of the art in mesoporous materials research, simply introduces its synthesis according to different channel structure, shape as well as derivative production. but the emphasis is focused on its application in separation science and technology, such as membrane separation, selective adsorption of gases, liquids and metal ions. the chromatographic applications for mesoporous materials are also reviewed firstly in this chapter

    碩士學位論文介孔材料的合成及用作固相微萃取塗層的研究第四章:在室溫,酸性介質中,首次將合成球形硅膠的「 pica法」與介孔材料合成方法相結合,嘗試合成球形mcm一41 ,用xrd 、 nz吸附一脫附、 sem和ft - ir對合成材料進行了表徵。
  20. Respectively proceeding with bromine complexing agent of anode, modified membrane and electrolytic additive of cathode, mainly referring to specific power of battery, ratio of self - discharge and zinc dendrite, this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves, and the influences of electrolytic additive ( nh4 +, op - 10, tx - 10 and dodecyl trimethyl ammonium bromide ) on zinc dendrite by means of current - time curve and microscopic morphology observation

    本文分別從正極溴絡合劑、隔膜改性和負極的電解液添加劑入手,以電池的比能量、自放電率以及鋅枝晶生長情況為主要的性能指標,用電池充放電曲線等方法研究不同正極添加劑和隔膜改性對電池比能量的影響;用電流-時間曲線以及微觀形貌觀察等方法研究電解液添加劑( nh _ 4 ~ + 、 op - 10 、 tx - 10以及十二烷基三甲基溴化銨)對鋅枝晶生長的影響。
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