e by n 中文意思是什麼

e by n 解釋
東偏北
  • e : (pl E s e s )1 英文字母表第五字母。2 【音樂】E調,E音。3 E字形。4 〈美國〉(順序)第五等,(成...
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • n : 1. 【羅馬數字】90〈N=90000〉。2. 【化學】=nitrogen. 3. =North(ern)。N =nuclear 核的:N-waste 核廢料。
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Eighteen compounds in the oil were identified by g c / ms. they are : seven ketone compounds : 2 - undecanone, 6, 10 - dimethy, 1 - cyclohexanol - l - butanone, 2, 5 - hexanedione, 2 ( 4h ) - benzofuranone, 5, 6, 7, 7, a - tetrahydro - 4, 4, 7a - trimethyl, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 1 - cyclohex en - 1 - yl ) -, ( e ), 6 - dodecanone, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 7 - oxabicycl o4. 1. 0hept - l - yl ) ; three alcoholic compounds : a - terpineol. benzyl alcoho 1, phytol ; two alkyl and acyl amine components : undecane, tetradecane and hydrazinecarboxamide, n, n - diphenyl -, acetamidobenzene ; one ester, a idehyde, alkyne and acid : butanoic acid : 2 - propenyl ester, 1 - octadecyne, 1 - octadecyne, palmitic acid

    三甲基一7一氧雙環p , l , 0庚烷基什丁烯酮上;醇3種:苯甲醇、 a松油醇、 3 , 7 , 11 , 15十六烯2醇1 ;烷2種:十一烷、十四烷;酚胺2種:姘基甲酚h苯胺、乙酞苯胺;酯、醛、炔、和酸備是1種:丁酸烯丙酯、十八碳醛、十八炔、十六碳酸。
  3. Theproduction an d requirement status of potassium sulfat e at home and abroad was introducedin brief. the advantage and disadvantage of mirabilite method , alunite co mprehensiveutilization method , mannheim method and associated replacement method , which are beingused i n the production of potassium aulfate in china , are introduced and analyzedemphatically. the views on t he development of potassium sulfate industry in china areput foward by the author

    簡要介紹了國內外硫酸鉀生產及需求現狀,重點介紹和分析了我國目前應用的芒硝法、明礬石礦綜合利用法、曼海姆法和締置法的優缺點,並對我國硫酸鉀工業今後的發展提出了自己的看法。
  4. In contrast, n - acetyl - d - galactosamine, sucrose, d - glucose, glycogen, d - mannose, l - fucose and fetuin had no inhibitory effects on hemagglutination. so the lectin activity in the humoral fluids of amphioxus is sh group - dependent and is specifically inhibited by various d - galactosides. also, the humoral fluids obtained from e. coli - injected amphioxus showed increased agglutinating activity against human b and o, rabbit, grass carp and toad erythrocytes, but not against human a and chick erythrocytes, hinting that there might be two types of lectins in amphioxus humoral fluids

    條紋斑竹鱉血清對懸浮在egta一mg一gvb緩沖液中的正常的兔血紅細胞、綿羊紅細胞、及部分哺乳動物、鳥類、兩棲類和魚類等代表動物的血紅細胞具有溶血活性;在gvbz十存在時對抗體包被的綿羊紅細胞具有溶血活性,而在edta一gvb緩沖液中不論是對正常的兔紅細胞或其他脊椎動物的紅細胞還是對抗體包被的敏感綿羊紅細胞都沒有溶血活性。
  5. Except as otherwise noted herein, all notices, demands or other communications required or permitted to be given under this agreement shall be in writing and shall be delivered by hand ( notice to be deemed effective on date delivered ) ; ups or other recognised international or overnight courier ( notice to be deemed effective on the date delivered ) ; by united states certified mail, return receipt requested, postage prepaid ( notice to be deemed effective on the tenth business day following posting ) all to the ( i ) address in the then - current my ups profile of the customer if to the customer and ( ii ) to 55 glenlake parkway, n. e.,

    除本協議另有記載外,本協議所規定或允許的所有通知、要求或其它通信須以書面形式完成;遞送方式為專人(通知于送達日視為生效) 、 ups或其它公認的國際或次日快遞公司(通知于送達日視為生效) 、或以預付郵資且要求回條的美國掛號信形式(通知于付郵后第十個營業日視為生效) ,且全部須( i )若致「客戶」則送至「客戶」其時有效的「我的ups 」之地址; ( ii )若致ups則送至55glenlakeparkwayn
  6. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。
  7. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  8. As one of the contracted agricultural technology extension project in shanxi province, the jinnan cattle feeding and management technical package exte nsion project, assigned by science and technology committee of shanxi province i n 1999, directed on the problems, such as extensive cattle feeding and managemen t, low sale percentage of commercial beef cattle, low meat production, low repro ductive survive rate of cows and poor economic returns, to increase the scientif ic contents and economic returns of cattle industry by adopting technical packag e including beef cattle crossbreeding, beef cattle feeding and management, cow ' s feeding and nutrition, calf raising, stover processing, and supplementation for grazing cattle in winter and spring etc

    「晉南牛飼養管理配套技術推廣」是山西省科委1999年度下達「山西省農村技術承包」項目,其目的是針對我區廣大農戶養牛飼養管理粗放、商品牛出欄率低、產肉率低、母牛繁殖成活率低、經濟效益差等缺點,通過採用肉牛雜交改良、改良肉牛飼養管理、加強母牛飼料營養、犢牛培育、秸稈氨化、放牧牛冬春補飼等配套技術,達到提高養牛業科技含量,增加養牛業經濟效益的目的。
  9. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。
  10. The results shows that the vitro expressed protein of n gene by recombinant plasmid vector in the e. coli maintains anigenicity of tgev the recombinant protein was purified acconiing to the vector self characteristic ( hisk a polyhishdine tag introduced at the amino - acid terminus of the nucleoprotein allowed for the purification of protein by nickel - chelate dsity chromataography we explored all possibilities of pedcation and gained the modified purification method. several conditions, which include diffend ph buffer and concelltheion of imidazole, were selected to purify recombinan nucleorotein

    根據載體pproexhtb含有( his ) 6特點,將融合蛋白進行純化,在純化過程中經各項條件的探索,確定為在裂解液中含有1mmpmsf的條件下,分別經過2倍體積的buffera和bufferb洗脫后,再收集ph5 . 9 ,含有80mmol / l咪唑的1倍體積bufferc洗脫液,可得到純化的融合蛋白。
  11. By her fifth year, she could cast a protean charm - n. e. w. t standard magic ( op19 )

    到第五學年,她就已經能施出變化咒(咒語的名稱記不得了) ? ?普通巫師資格水平的魔法(鳳凰社,第19章) 。
  12. O. i. n. c. is supervised by the ministries of economy, development and ( pp ? pw ? h ? e )

    接受經濟部、發展部和環境規劃與公眾事務部的監管。
  13. We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states

    在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象,人們統稱這些現象為光場的非經典效應,目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。
  14. The relationship among searching efficiency ( e ), the prey density ( n ) and the adult ladybird density ( p ) was simulated as e = 0. 3 1 10 / ( 0. 7842 + 0. 000404 n + 0. 21 58 p ) by beddington ' s model e = at / [ 1 + athn + btw ( p - 1 ) ], i. e. the searching efficiency declined when the adult ladybird and the prey densities increased. in the single predator - two preys system, the selective predation of the adult female beetle to both eggs of b. tabaci and t. nr. fijiensis was discussed when two preys coexisted

    當兩種獵物共存時,在不同總獵物密度下,測定了捕食者對各獵物的喜好性和轉換行為,分析了兩種獵物共存時,小黑瓢蟲雌成蟲對各獵物的功能反應形式,結果表明:當兩種獵物共存時,小黑瓢蟲雌成蟲對煙粉虱卵在低密度下不表現喜好性,而在中等密度和高密度下表現正喜好性,對紅蜘蛛卵在各密度下均不表現喜好性;對煙粉虱卵的轉換效應會由於總獵物密度的不同而呈現不同的效應,而對紅蜘蛛卵則在各總獵物密度下均呈現負轉換效應。
  15. 97 % identities in amino acids respectively. the e. coli strain dh5 transformed recombinant plasmid phn was induced with 0. 6 mmol / m iptg for n gene expression. the expressed product was identified by sds - page and westem - blot test, a fusion protein about 47ku as we expected was found

    將含有重組質粒phn的菌株dh5在37條件下培養,以濃度為0 . 6mmol / liptg誘導,重組質粒n基因phn融合蛋白獲得了表達:經sds - page , western - blot試驗,確定其表達的融合蛋白產物大小為預期的47ku 。
  16. The extracellular 100pl ( ecl1 ) and ecl2 was linked by disulfide bond to maintenanced the stability of the protein secondary structure. in recent years, we showed that ccr5 as a co - receptor could interact with hiv - 1 infect ion. ccr5 was paid closed attention to since it was cloned in 1996. the aim is to - obtain the sequence of first extracillular domain of 3 chemokine receptor 5 ( ccr5 ) n - terminal gene fragment with high level expression in e. coli and to prepare its specific antibody f ( ab ' ) ;, and its detected method

    Ccr5具有g蛋白偶聯受體家族( g - proteincoupledreceptors , gpcrs )所特有的7個跨膜區( transmembrinedomains , tm ) ,呈螺旋, tm的氨基酸有很高的保守性,膜外第一襻( extracellularloop1 , ecl1 )和ecl2之間有二硫鍵相連,以維持蛋白質二級結構的穩定性。
  17. The fluorescence spectra of the conjugationed polymer containing of n - ( a - naphthyl ) carbazole show that the emission sprctra in aromatic solvents are more red - shifted than that in aliphatic solvents although these solvents have the same polarity. the fluorescence chatacteristics were different from th e n - ( a - naphthyl ) carbazole ' s. the fluorescence of the conjugationed polymer can be quenched by electron donors and cm and cannot be quenched by electron acceptors

    對含有n - ( -荼基)咔唑基團的共軛高聚物,它在芳香族溶劑中的熒光發射比非芳香族溶劑中明顯紅移,也不具有n - ( -萘基)咔唑單元所具有的分子內電荷轉移特性,它的熒光只能被電子給體和c _ ( 60 )猝滅而不能被一般的電子受體猝滅。
  18. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。
  19. Listener, s. e. by e. ; narrator, n. w. by w. : on the 53rd parallel of latitude, n. and 6th meridian of longitude, w. : at an angle of 45 ? to the terrestrial equator

    聽者朝東南偏東方,講者朝西北偏西方地點為北緯五十三度,西經六度在地球上與赤道形成四十五度角。
  20. The company is located in the baima harbor, which is the first class national opening port its position is 1194018 " e 264816 " n the harbor, which is more than 2, 000 meters wide, 11 - 18 mrters deep, has its biggest tidal range of 9. 37 meters it has a milder less extreme climate with the average temperature of 19. 3 so its called as the natural excellent harbour, the transportation is convenient with sea routes reaching shanghai on thenorth hongkong on the south and keelung separated by taiwan strait its only 1. 5 hours drive from the corporation to the changle international airport by the fuzhou wenzhou expressway

    公司地處國家一級開放口岸白馬港內,坐標為東經1194018 ,北緯264816 ,這裏海域寬2000多米,水深1118米,最大潮差9 . 37米左右年均氣溫19 . 3 ,是夏無酷暑冬無嚴寒的天然良港。這里交通便利,交通網發達。北至上海南達香港都有航線相通,與基隆也只有一水之隔。
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