種間化學物質 的英文怎麼說

中文拼音 [zhǒngjiānhuàxuéwùzhí]
種間化學物質 英文
allelochemics
  • 種 : 種名詞（姓氏） a surname
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 物質 : matter; substance; material
  1. The endocrine cells in the digestive and glands of alligator sinensis embryos aged from 8th to 55th day were localized and compared by using immunohistochemical method with thirteen kinds of antiseras of hormone. during the development of pancreas in alligator sinensis embryos, somatostatin ( ss ) immunoreactive ( ir ) cells, 5 - hydroxytryptamine ( 5 - ht ) - ir cells, glucagon ( glu ) - ir cells, epidermal growth factor ( egf ) - ir cells appeared on 18th day. no p53 protein - ir cell, gastrin - ir cell, testosterone - ir cell, chromogranin a - ir cell, vasoactive intestinal polypeptide - ir cell, epithelial membrane antigen - ir cell or insulin - ir cell was found in the pancreas of alligator sinensis embryos

    本實驗採用免疫組織化學技術，應用13種不同的抗血清，對孵育時間8 ? 55天揚子鱷胚胎消化道及消化腺內分泌細胞的種類進行鑒別、定位和比較，結果如下：揚子鱷胚胎胰腺中，生長抑素、 5 ?羥色胺、胰高血糖素、表皮生長因子、胰多肽免疫反應陽性細胞出現于第8天； p物質免疫陽性細胞出現于第18天； p53 、胃泌素、睪酮、嗜鉻素a 、血管活性腸肽、上皮膜骯原、胰島素免疫陽性細胞在各期揚子鱷胚胎胰腺中均未發現。
  2. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  3. Recently, many adhesion molecules have been used in practice of forensic pathology, intercellular adhesion molecule - 1 ( icam - 1 ) and p - selectin are considered to be closely involve in wound healing. the authors immunohistochemically examined the time - dependent expression of icam - 1 and p - selectin

    本研究應用免疫組織化學方法，觀察大鼠皮膚切創后不同時間細胞間粘附分子（ icam - 1 ）及p選擇素的表達變化，以期確定這兩種物質表達與損傷時間變化的規律，為皮膚損傷時間判定提供有效的免疫組織化學指標。
  4. Many studies of chemical equilibria between non-ionic substances in liquids have demonstrated pressure effects of this kind.

    非離子物質之間在液相中反應的化學平衡的很多研究已經證明，壓力的影響均屬于這種類型。
  5. Punctuated equilibrium a theory of evolution proposing that there have been long periods of geological time, lasting for several million years, when there is little evolutionary change, punctuated by short periods of rapid speciation of less than 100 000 years

    間斷平衡論：一種進化學說，認為在很長的，持續數百萬年的地質年代里，只有很小的進化改變，被不到十萬年的物種快速形成的短期所打斷。
  6. Ultrafine a - ahoa powder with average crystalline size of 27nm and spherical secondary partical shape of 40nm has been prepared by the method of adding dispersant before reaction. after discussing the agglomeration mechanism, the paper studies the way to eliminate the hard agglomeration. it thinks that main reasons to lead to agglomeration are larger specific surface area and high reactivity of nanopowder

    認為導致團聚的主要原因是：納米粉體顆粒的表面有許多斷鍵，相互之間或與其它物質之間容易產生毛細管力、氫鍵、化學鍵等多種作用力，在採取措施消除團聚的過程中必須全方位考慮，實現全程式控制制。
  7. The design architecture is a complex comprehensive subject, which involves architecture, sociology, folklore, psychology, human engineering, structural engineering, architectural physics, architectural materials and so on and also is concerned with furniture display, decorative materials, structures, functions, arts and crafts, greening, gardening, etc., and apply to many subjects knowledge to comprehensively conducts multi - levels parietal environment design. its means is to apply to plane part, spatial structure, perspective, illusion, light technology, reflection and color variety principles and material means making " big " space turn to " small ", while " small " space turn to " big ". and according to design requirements, the spaces are re - divided and composed making it increase visual extension, and add layers through various kinds of material structure changes that make " spacious " is not " blank " while " small " is not " crowded ", creating an anticipant style and atmosphere

    建築設計是一門復雜的綜合學科，我們研究的目標及內容它涉及到建築學、社會學、民俗學、心理學、人體工程學、結構工程學、建築物理學以及建築材料學等學科，也涉及到傢具陳設，裝潢材料的結構和性能、工藝美術、綠化、造園藝術等領域，而且是運用多學科的知識，綜合的進行多層次的空間環境設計，其在手法上是利用平面主體和空間構造、透視，錯覺、光影、反射和色彩變化等原理以及物質手段，使大空間變小，小空間變大，按設計構思的要求，將空間重新劃分和組合，使之增加視覺上的擴展延伸，通過各種物質構件組織變化，加添層次，以求大而不感其空，小而不感其塞，創造出預期的格調和建築環境氣氛。
  8. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  9. The theory of the five elements holds that all the phenomena in the universe are composed by the movement and mutation of the five objects : wood, fire, earth, metal and water

    五行學說認為，宇宙間的一切事物，都是由木、火、土、金、水五種物質的運動與變化所構成的。
  10. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失，但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題，主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良，應用分子生物學手段只是研究種內、種間的系統關系等，而關于菌種退化遺傳機理的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的，也是生產當中迫切希望得到解決的問題。
  11. And a design principle of excellent performance on ion transfer resistance, wear resistance and corrosion resistance is brought forward. the physical chemistry performances of pigments and their application in cementitious materials are studied. the sorts and optimum quantities of them are determined through test and comparison

    研究探討了顏料的物理化學性能及其在水泥基材料中的應用，通過測試與比較確定顏料的種類及最佳摻量；通過研究材料彼此間性能的相互作用與影響，復配出hpch的顏色體系，同時選擇合理的生產方式，以保證hpch的材料性質。
  12. The landscape pattern is in the constant development and change, and today ' s pattern took shape based on the past landscape flows, including natural, social, economic and various kinds of ecological processes, therefore through analyzing the landscape pattern change at different time, we can reflect the landscape ecological processes, expound succession mechanism and rules in landscape, predict the variation tendency in the future of the landscape, and realize the sustainable utilizing of landscape resource finally

    景觀格局不僅體現著自然的、生物的和社會的各種生態過程在不同空間尺度上相互作用的結果，同時又決定著各種自然環境因子在景觀空間上的分佈和組合，從而制約著各種生態過程，影響著景觀內能量流、物質流和物種流的變化。因此，通過研究景觀格局可以更好地理解生態學過程，通過分析景觀格局隨時間的變化可以反映景觀生態過程，揭示景觀演替的機制和規律，進而預測景觀的未來變化趨勢，最終實現資源的可持續利用。
  13. In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that pitchblende contains at least one highly - radioactive material which is a new element in the sense that chemistry attaches to the term

    實際上這種假設中的元素的濃度要小得多，我們花了幾年時間才明確無誤地證明瀝青鈾礦物質中至少含有一種高放射性物質，在化學意義上這就是一種新元素。
  14. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合，使演算法十分困難.本文討論了無生化過程時的幾種求解方法，數值結果表明：用三次迎風插值法對常見的對流項占優勢，且場變量有較大梯度的問題較適用.在討論有生化反應過程時，利用對流項與生化反應項的特徵時間量級估算，給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比，吻合很好
  15. This is able to happen because the space between the electrodes is filled with a material called an electrolyte which allows ions ( electrically charged atoms, or groups of atoms ) to pass from one electrode to the other and thus combine with their chemical complements

    電池能起作用是由於在兩個電極之間的空間中充滿著一種叫做電解液的物質，它能允許離子（帶電原子或者其他原子團）能從一個電極轉移到另一個電極因此能使離子與它們的化學補充物相結合。
  16. A common problem confronting banana taxonomists and horticulturist in selecting and utilizing is the homonym and synonym caused by different languages and dialects of different region ( country ). the current system of classification and evolution route research of banana is suggested by simmonds and his co - workers in 1955, which based on the morphological characters

    品種間的同名異物和同物異名現象普遍，影響香蕉種質資源的評價與利用。香蕉的分類及進化途徑的研究主要依照基於形態學性狀的simmonds系統，分子標記在蕉類起源分類上的研究則主要集中在栽培品種，很少涉及到野生蕉。
  17. This molecular mouthful has the rare ability among solvents of being able both to dissolve cellulose and to act as an electrolyte ? that is, a chemical that can carry current between the electrodes of a battery in the form of charged molecules, or ions

    它的本領遠大於其它溶劑，在溶解纖維素的同時還能夠充當電解液，即一種能夠在電池的電極間以充電的分子或離子的形式傳遞電流的化學物質。
  18. A third concern is that pollutants in soils and ground water, once introduced, remain there for a long time, due both to the chemical stability of many of the compounds involved, and the extremely slow rates at which ground water is circulated or exchanged

    第三個涉及的是土壤和地下水污染，由於所含的許多化合物的化學性質穩定及地下水循環或交換速率極低，這種污染一旦發生就會殘留很長時間。
  19. The illegal substance, popular with clubbers, is said to affect cells in the brain which produce the nerve message transmitter chemical serotonin - a hormone involved with learning and memory

    流行於俱樂部成員間的這種非法物質據說影響大腦細胞，該細胞能產生神經信息的化學遞質5 -羥色胺? ?一種參與學習和記憶的荷爾蒙。
  20. Fire is a chemical action, or an action taking place between different chemical substances

    火是一種化學反應，或者說，是發生在不同化學物質間的一種作用。
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