透過濃度 的英文怎麼說
中文拼音 [tòuguònóngdù]
透過濃度
英文
penetrating concentration- 透 : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 濃 : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 透過 : filtering
- 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
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Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。At last, the radiation transmit process in smokescreen is discussed, and the transmitted radiation energy distribution is obtained from extinction characters of particles. the relationship between transmittance and smokescreen concentration is experimental studied, the experiment results agrees with calculated results. we also discuss the application limit and error of lambert - beer law in smokescreen studies
本文最後討論了輻射在隨機分佈微粒形成煙幕中的傳輸過程,根據煙幕微粒的消光特性計算出輻射通過煙幕後的能量分佈情況,討論了在煙幕研究中應用lambert ? beer定律的誤差問題,並對透過率隨煙幕濃度的變化情況進行了實驗研究,結果表明,理論計算結果能夠與實驗數據較好吻合。Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "
W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其最適生長及固氮的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性最強;在偏酸和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的酸、堿性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大,當naci濃度升至2時,菌株的生長勢及固氮酶活性才有所下降:低濃度的鉸對其固氮酶活性影響不大,在0We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction
二氧化硫熏氣染毒的體內實驗結果表明,在本次實驗的濃度范圍內( 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度) : ( 1 )通過透射電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用,但通過透射電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變,引起型肺泡上皮細胞板層體空泡化,微絨毛減少,線粒體緻密化或腫脹變性;肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚,使氧氣彌散功能出現障礙,從而降低肺功能。By using inverted microscope, it was observed that dunaliella salina of different growth stages after the high osmotic shocks can live in the medium with nacl concentration between 0. 1m and 5. 0m, but its growth status and period showed differently. the optimal concentration for the growth of dunaliella salina was 0. 5 - 1. 5m, and this organism could stand a variety range of osmotic shock. enolase gene, the anti - adversity gene of d. salina, was cloned by modified degenerate pcr technique
通過倒置顯微鏡觀察生長在不同鹽濃度,不同生長時期,以及經不同滲透壓震動的鹽藻,四川大學博士學位論文發現其在o . im一5 . omnaci培養基中均能正常生長,但其生活狀態及生長周期有所不同,其最適生長naci濃度為0 . 5一1 . 5m ,還能適應各種高滲及低滲震動。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming
模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時空演化:與成礦流體的形成和性質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等;與構造變形和流體運移有關的各變量,如應力與變形速率、巖石孔隙度、構造(斷裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量間的時空耦合關系,如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。By selecting unique materials and pure milk, protein as major whitening nutrient element and special whitening essence, the product can effectively and deeply tune up skin, reduce melanin content, replenish aqua and nutriment for skin, expedite skin micro - circulation, enhance epidermis activity and transparency, leave skin fair, healthy, ruddy and bright
本品經過精心選料,特選源自草原純牛奶,其主要美白營養成分蛋白哮素加上特有的美白精華配方,能有效深層調理皮膚,減低皮膚黑色素濃度,同時給予肌膚補充充分的水分及養分,加速肌膚微循環,提高表皮活性與透視性,用后令肌膚紅潤健康,美白亮麗。Chicago ( reuters ) - americans appear to be doing a better job of managing diabetes, with more than half of diabetics reaching recommended targets for controlling blood sugar last year, according to a survey published on saturday
芝家哥(路透社) :根據星期六公布的一份調查顯示美國人在控製糖尿病方面似乎做的很好,有超過一半的糖尿病患者的血糖濃度控制在了推薦的要求Aqueous fluid volume and [ c1 ~ j were assayed in samples withdrawn by micropipettes. intraocular pressure ( top ), pressure - dependent outflow, and anterior chamber compliance were determined from pressure measurements in response to pulsed and continuous fluid infusions into the anterior chamber using micropipettes. result : in wildtype mice ( gdi genetic background, age 4 - 6 weeks ), iop was 16. 0 ? 0. 4 mmhg, aqueous fluid volume was 7. 2 ? 0. 3 ul, aqueous fluid production was 3. 6 ? 0. 2 ul / hr, aqueous fluid outflow was 0. 36 ? 0. 06 ul / hr / mmhg, and anterior chamber compliance was 0. 036 ? 0. 006 ul / mmhg ( mean ? se, 8 - 10 eyes )
實驗方法包括:將熒光物質用電離子滲透的方法穿透角膜導入活體小鼠的前房中,然後應用共聚焦顯微鏡根據熒光強度變化測量房水生成率;通過顯微注射針吸取房水檢測房水容積和氯離子濃度;顯微玻璃管刺入前房測量眼內壓,並將生理鹽水分別以連續和脈沖兩種方式注入前房,測量房水間隙的順應性和房水排出與眼內壓的相關性。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。A method for preparation of antithrombin ( at - ) concentrated from human plasma ' s fraction has been described. after preliminary treatment of plasma with the cold ethanol, the isolation of at - iii from the precipitate was performed by affinity chromatography on heparin - sepharose cl - 6b ; desalted by dialysis and concentrated
從人體血漿中提取較高純度的抗凝血酶( at - )的,通過低溫乙醇處理血漿,得到的沉澱經肝素-瓊脂糖兩次親和層析,並透析、濃縮獲得at -的初品。The basic function of the na, k - atpase is to maintain the high na and k gradients across the plasma membrane of animal cells. it has an important role in regulating the cell volumn, cytoplasmic ph and ca2 + levels through the na + / h + and na / ca exchangers, respectively, and in driving a variety of secondary transport processes such as na + - dependent glucose and amide acid transport
鈉鉀atp酶是維持生物體功能的最基本的酶之一,它通過形成細胞內外鈉鉀離子的濃度遞度來維持細胞膜靜息電位、滲透壓的穩定、營養物質的主動運輸與吸收等多種生理功能。Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively
利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究,結果顯示,所制備的薄膜為六方纖鋅礦型結構,具有高c軸擇優取向性;表面均勻、緻密,薄膜材料由許多星狀晶粒組成,晶粒尺寸大約為10 - 30nm左右;薄膜可見光透過率平均可達90 % ;對薄膜厚度以及電學性能進行了測定后發現:單次鍍膜厚度約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。When the weak acid is given orally, the concentration gradient for un - ionized drug between stomach and plasma tends to be large, favoring diffusion through the gastric mucosa
當這種弱酸性藥物經口服給藥時,胃與血漿之間的非解離型藥物濃度梯度很大,從而有利於透過胃粘膜擴散。At equilibrium, the concentrations of un - ionized drug in the stomach and in the plasma are equal because only un - ionized drug can penetrate the membranes ; the concentration of ionized drug in the plasma would then be about 1000 times greater than that in the stomach
在平衡狀態下,只有非解離型藥物能透過細胞膜,因此,非解離型藥物在胃中和血漿中的濃度相等,而血漿中的解離型藥物濃度則要比胃中高約1000倍。Glutathione paritcally restores the salt - tolerant ability of 042bm - x2, and we hypothesized that glutathione plays an important role in the cells of sinorhizobium meliloti 042bm by affecting its ability to regulate intracellular k + levels
從外源加入谷胱甘肽,能夠部分恢復042bm - x2耐鹽性,推測谷胱甘肽通過調節細胞內的鉀離子濃度,在苜蓿中華根瘤菌042bm滲透脅迫反應中起重要作用。In addition, the fission rate in the pwr can also be controlled by adjusting the boron a neutron absorber concentration in the primary coolant circuit
此外,壓水式反應堆的核裂變也可透過調節一迴路內冷卻劑中的硼濃度來控制硼亦是一種中子吸收體。Antiquities can be dated by measuring their natural radioactivity. popular techniques include " carbon - 14 dating " and " thermoluminescence dating ". they are useful tools in geological, anthropological and archaeological researches
透過量度古物內天然放射性物質的濃度,我們可以鑒定古物所屬的年代,常用的技術包括碳- 14定年法和熱釋光定年法,對地質學人類學及考古學的研究都有莫大的幫助。Antiquities can be dated by measuring their natural radioactivity. popular techniques include " carbon - 14 dating " and " thermoluminescence dating ". they are useful tools in geological, anthropological and archaeological researches. carbon - 14 is produced when cosmic rays bombard the atmosphere
透過量度古物內天然放射性物質的濃度,我們可以鑒定古物所屬的年代,常用的技術包括碳- 14定年法和熱釋光定年法,對地質學、人類學及考古學的研究都有莫大的幫助。分享友人