離子化區 的英文怎麼說
中文拼音 [lízihuàqū]
離子化區
英文
ionization region-
6 - phosphogluconate dehydrogenase ( 6 - pgadase, ec 1. 1. 1. 44 ) was isolated by homogenate, ammunium sulfate fractionation, deae - sepharose chromatography, blue - sepharose affinity chromatography and gel filtration with sephadex g - 200 from bacillus subtilis, and some properties of the enzyme had been studied. a 113. 8 - fold purification was obtained with a 8. 2 % yield. the purified enzyme moved as a single electrophoretic band in page
將枯草芽孢桿菌超聲波破壁后的粗提取物進行分段鹽析、 deae - sepharose陰離子交換柱層析, blue - sepharosecl - 6b特異結合柱層析和sephadexg - 200凝膠過濾等純化步驟,得到聚丙烯酰胺凝膠電泳為單一蛋白區帶,比活為1 . 46u mg的酶制劑。His found that a large number of crystal cell is one of the typical salt - resistant characteristics in high - saltnity halophytes, and the distribution of salt hydronium inside plants appears obvious regional characteristic of many arrangements : salt - hydronium - - vacuole - - despersed singal crystal cell or vacuole bags which contain salts - - vacuole bags or crystal cell in groups or distributed as groups - - little consecutive crystal cell ring of organ periphery - - consecutive crystal cell ring of organ periphery
發現大量的含晶細胞是高鹽度鹽生植物的一種代表性的抗鹽結構特徵,並且鹽離子在植物體內的分佈呈現出明顯的多層次性的區域化特徵:鹽離子液泡分散的單個含晶細胞或含鹽液泡包成群或成堆分佈的含鹽液泡包或含晶細胞器官外周不太連續的含晶細胞環器官外周連續的含晶細胞環。It is interesting that pma plus calcium ionophore a23187 can inhibit pma - induced pta1 expression, and this effect ca n ' t be reversed by calcmeurin inhibiter fk506. pta1 mabs can inhibit ctl activation and differentiation in mixed lymphocyte culture system when added at the beginning of the culture but can induce platelet activation and aggregation in the fc dependent manner. in 1997, pta1 cdna was cloned from cdna library of tpa activated jurkat cells, which belongs to immunoglobulin superfamily ( igsf ) with two v - like domains of extracelluar region of pta1
Il - 2 、 tnf - 、 pma可以使t細胞pta1表達上調, tgf -可以下調pta1的表達,而pma加上鈣離子載體a23187可以顯著抑制pma的上調作用,且這種抑制作用不被calcineurin抑制劑fk506所逆轉, 1997年burns教授從pma活化的jurkat細胞cdna文庫中克隆了pta1cdna全長,證實pta1是一個新分子,屬于免疫球蛋白超家族,胞膜外區有兩個v樣結構域。Plants are thought to remove na + from the cytoplasm by transporting it into the vacuolar or out of the cell using na + / h + exchangers localized in the vacuolar and plasma membranes, respectively. sos1 encoding a plasma membrane na + / h + antiporter and atnhxl encoding a vacuolar na + / h + antiporter were isolated from glycophytic arabidopsis thaliana, and overexpression of atnhxl and sos1 in arabidopsis thaliana increased the salt tolerance of transgenic plants significantly
目前,擬南芥細胞內控制na ~ +外排的基因sos1及離子區隔化基因atnhx1均已克隆, sos1及atnhx1在擬南芥中的過量表達顯著提高了轉基因植株的耐鹽性,開創了降低na ~ +毒害的基因操作新途徑。Vacuolar compartmentalization appears to be the source of tolerance of metal - accumulating plants
金屬離子在液泡中的區域化分佈是植物耐重金屬的主要原因。So it can better isoline draw process for analyzing mineralization result and groundwater hydrochemistry law of anion, cation distribution, it can also design and carry out superposing analysis function and use superposing method draw zone figure of hydrochemistry type. moreover, the system of secondary development has function that stores ultimate figure result into spatial database, it is not steady but flexible at any moment, it can so discretionarily superpose together with other figure layers that it forms synthesis figure set of multi - layer superposing and complicated content for the zone supplying accessorial support
該系統在完成了基本數據管理、圖形顯示及查詢功能之外,還實現了等值線生成功能,大大簡化了過去為分析礦化度、陰、陽離子分佈等水化學規律而作的等值線繪制工作;該系統還設計實現了疊置分析功能,用於在等值線繪制功能的基礎上,通過疊置分析的方法繪制出水化學類型分區圖。In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave
所以本文採用了ftcs有限差分格式方法,利用二維三分量軸對稱,對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬,得到了電荷密度擾動與電場的變化情況。A method is proposed to construct a localized active functional space from the density matrix of a large system. the large system is partitioned into central and surrounding areas. the active functional space is mainly localized on the central area. it contains all basis functions centered at the central area and all the orbitals which consist of the basis functions localized in the surrounding area and interact with the basis functions in the central area to a certain extent. an integral number of electrons are involved in the localized active functional space which can be considered as a relatively independent subsystem in the large system and for which formally isolated quantum chemical calculations can be performed. the related program has been coded and is checked through calculating the number of 4
報道了從大體系的密度矩陣出發構造定域于指定局部的活性泛函空間的方法和程序。將大體系劃分為中心區和環境區,活性泛函空間包含中心區的基函數及與其有相互作用的環境區軌道,容納整數個電子,構成大體系的一個相對獨立的子體系,可以在其中進行獨立的量子化學計算。通過計算鑭系氯化物和水合離子的4This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases
利用朗繆爾探針診斷了反應室內等離子體參數,得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,等離子體密度隨著功率的增大而增大,隨著氣壓的升高而減小,由於離子鞘層的存在,在一定條件下提供了局部等離子體密度穩定的區域。The stretching vibration of v = o shifts to lower wavenumbers, which is contributed to the oet v : = o bonding interaction. the intercalation of peo effectively shields the electrostatic interaction between li + ions and v2o5 layers, resulting in the improvement of the cycling reversibility and stability of li + ions insertion / extraction in the interlayer of v2o5 xerogel and the improvement of electrochromic behavior of the films
通過電學、電化學和光學性能測試結果表明: peo的嵌入,有效屏蔽了vzos層對li十離子的靜電作用及peo與li十離子之間產生的絡合作用,大大提高了li +離子在氧化物層間的嵌入容量、嵌入/脫出可逆性和穩定性,有效提高了薄膜的電致變色性能尤其是在近紫外區的陰極電致變色性能。This park lies in the east of mashanzi town, the total area is 4 million m2, which is very adequate for big - pattern salt chemistry projects, such as soda, caustic soda, potassium ferric sulfate, magnesium, vcm / pvc and so on
園區位於馬山子鎮東部,規劃面積6000畝,非常適宜上大型鹽化工項目,如大規模生產純堿、離子膜燒堿、硫酸鉀鎂肥,環氧氯丙烷、 vcm / pvc等項目。The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment
本文通過野外調查取樣、室內培養試驗和分析測定,研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性,通過田間小區試驗,研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。Different liquids, pure water and hydrochloric acid, nitric acid and aqua regia were tested with icp - ms analysis to collect borehole nanoscale material, and concentrations of elements in varied liquids were determined
摘要利用等離子體質譜技術,對已知礦區井下進行了純水和不同濃度的鹽酸、硝酸和王水等液態捕集劑的捕集吸附性能試驗研究,獲得了不同液態捕集劑中元素含量隨濃度變化的規律。The results of the dynamic analysis illuminate that the liquefied area of the dam will be at the top of the coal ash body where coal ash deposits naturally. the depth of the liquefied area is about 20m and the liquefied area is far from the sub - dam, so it does no harm to the dam
該灰壩的動力特性分析表明,灰壩的液化區分佈在灰體的上部,主要是在煤灰自然沉積區,液化深度在zom左右,液化區離子壩的距離較遠,因此對壩體不構成威脅。The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma
磁流體動力學對磁場和導電的液體或氣體,諸如熔化的金屬或者等離子區之間的相互作用的研究Beginning with the analyse of present situation and cause of formation of saline - alkali land, the irrigated area overall water salt trends are analysed, and the irrigated area saline - alkali land and the groundwater level and distribution law of groundwater degree of mineralization are expounded, the trendence of irrigated area saline - alkali land is put forward. then water salt balance model is estanbished according to the relationship of irrigating and drainage. regarding the irrigated area as a balance area, by analysis of mineralization degree of water pumping from the yellow river and drained off water from irrigated area, the change of the draining off water ion is forcasted in water reducing condition
課題研究主要從鹽堿地現狀與成因及灌區總體水鹽動態分析兩方面入手,闡述了灌區鹽堿地、地下水位、地下水礦化度的分佈規律,分析了灌區鹽堿地的成因及變化趨勢;根據灌區灌溉、排水條件與以上各種因素的關系,建立了灌區水鹽均衡模型;把灌區作為一個均衡區,通過對黃河來水礦化度、灌區排水礦化度的分析,預測了在灌溉引水、排水減少時排水離子量的變化;運用灌區水鹽動態模型原理,對灌區現狀( 1998 、 2000年)與規劃水平年總體水鹽平衡進行了計算;總結分析了灌區水鹽動態變化趨勢,計算並提出了排水控制標準。High performance ion exchange chromatography was applied in studying qualitatively and quantitatively of bacteria, which was shown as follows : firstly, physio - biochemical characteristics of bacteria was investigated by ion exchange chromatography. for the first time spores and nutrient of bacillus pumilus had been separated successfully by chromatography. chromatographial behaviors of bacteria at different cultivating environment and different growth phase were also studied
本文利用高效液相離子交換色譜系統研究細菌學,探討了該方法在細菌定性、定量方面的應用,主要包括三個方面:首先,利用離子交換色譜系統表徵細菌生理、生態方面的變化,首次成功地在色譜上區分了短小芽孢桿菌的芽孢及營養體;考察了不同的培養環境對細菌色譜行為的影響及不同生長階段的細菌的色譜行為。Abstract : this paper reports the observation and analysis results on three kinds of impurity in - al2o3 by using epma - eds. we studied the differences of electric conductivity between the area containing inmpurity and the normal area by ion transport method. the effects of impurity in - al2o3 on cycle life of the na - s cell were also discussed
文摘:用epma - eds組合儀,對氧化鋁中的三種典型雜質進行了形貌觀察和成分分析,並用電子束誘導離子遷移法,研究了雜質區及正常區的離子電導差異,討論了不同雜質的特點及對氧化鋁作用中的危害。The probe into negative air ions variation in yuelu mountain and around
嶽麓山及其周圍地區空氣負離子變化初探There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium
研究結果表明:清潔表面鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合;隨著氧化程度的加劇,表面等離子體( sp ) 、體等離子體( bp )以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的連續偏移或強度的變化,這些變化可以用來分析鈾及鈾鈮合金的初始氧化過程;室溫下,鈾及鈾鈮合金很容易與氧作用,最終結果,鈾僅氧化為二氧化鈾,另外,在鈾鈮合金氧化過程中,因為有鈮的氧化物存在,不利於氧和鈾在界面擴散,增強了鈾鈮合金抗氧化性能; eels能獲得樣品表面的信息比aes更為表面,更為靈敏,但由於eels的譜線過于集中,主要在幾十ev以內,也有不容易區別和解譜的不足。分享友人