趨溫性 的英文怎麼說

中文拼音 [wēnxìng]
趨溫性 英文
thermotaxis
  • : 動詞1. (快走) hasten; hurry along 2. (向某個方向發展; 趨向) tend towards; tend to become
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 溫性 : warm nature
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣優于亞表層,適宜於這三大類微生物生長;濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. At 100 to 150, both the toughness and the molecular weight decreased during the process of amination, but the transformation ratio of the amination reaction increased rapidly ; above 150, both the toughness and the molecular weight increased and transformation ratio of the amination slightly increased, and reached completely amination

    亞胺化過程中,當度從100升至150時,不同熱處理階段薄膜的韌和分子量均下降,亞胺化反應轉化率上升較快; 150后,其韌和分子量均升高,亞胺化反應轉化率上升于緩慢,最終達到完全亞胺化。
  3. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4種度、 2種濕度、 2種光照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用數理統計方法,分析出度、濕度和光照對各項生物學指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。
  4. With 24 c or 4 c, the change trends of the content of the salidroside was basically consentaneous in the consecutive cultural eras of the callus. in the callus from the different explants, the influence was maximal to the the activity of pal enzyme and the influence was lowest to the the activity of ca4h enzyme, and the influence to the the activity of tal enzyme was ascertained according to the explant of the callus. so in the same explant with the different temperature or in the different explant with the same temperature, there was no incident between the content of the salidroside and the activity of enzymes pal, ca4h and tal, and we presumed that there may be emphasized particularly on different metabolic pathway of salidroside

    ( 2 ) 、愈傷組織的外植體來源、培養度條件和不同的繼代培養數都影響著其中紅景天甙的含量和苯丙氨酸解氨酶( pal ) 、肉桂酸解氨酶( ca4h )和酪氨酸解氨酶( tal )這3種酶的活;不管是葉來源還是莖來源,不管是24培養還是4培養的愈傷組織,在連續繼代培養中紅景天甙含量的變化勢基本上是一致的;無論是葉來源的愈傷組織還是莖來源的愈傷組織,培養度對pal酶的酶活影響最大,對ca4h酶的酶活影響最小,對tal酶的酶活影響視不同的外植體來源而定;在相同外植體來源的愈傷組織中及不同的培養度的條件下,或是在不同外植體來源的愈傷組織中及相同度的培養條件下,其紅景天甙含量與pal酶、 ca4h酶和tal酶的酶活之間沒有完全一致的對應伴隨關系。
  5. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高車轍試驗、低小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改瀝青混合料的高穩定、低抗裂和抗疲勞能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改的效果將于平穩.最後就高、低、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  6. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高車轍試驗、低小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改瀝青混合料的高穩定、低抗裂和抗疲勞能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改的效果將于平穩.最後就高、低、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  7. At first, analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely, which is a numerical characteristics of prevailing warmer - winter in recent years. so the change of minimum and maximal temperature are dissymmetrical

    首先從總體上,分析極端最高和極端最低度變化勢的空間分佈:北方地區極端最低度普遍上升,且幅度較大,是近年來暖冬盛行的一個數值化特徵;極端最高度在東部普遍下降,最低最高度變化具有不對稱
  8. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分,認為研究區具備了金剛石成礦地幔地質條件。
  9. With the mechanics simulation of temperature load and time independent, it is on time made to monitor the corresponding load displacement field and the change tendency at any time, and is monitored the dam work regularity

    並對度和時效進行力學的模擬,使其及時監測在任何時刻所對應荷載的位移場和變化勢,從而監控大壩的運行態及規律。
  10. The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau

    但修訂過的zndx指數根據氣、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。
  11. 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研究:無氮培養條件下,測定度、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,其最適生長及固氮的度為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,並能通過調節自身代謝平衡並適應環境的酸、堿變化,使培養液于中: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影響不大,當naci濃度升至2時,菌株的生長勢及固氮酶活才有所下降:低濃度的鉸對其固氮酶活影響不大,在0
  12. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑直管單元、三維彈曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化勢。
  13. On the basis of the engage efficiency and lubricious conditions, theoretical transmission efficiency with the different drive ratios ( 1 / 50 and 6 / 31 ) of involute cylinder worm gears is analyzed. at the same time, the change trend of engage efficiency and transmission efficiency with different design parameters is discussed. the experimental investigation on transmission efficiency

    從漸開線蝸輪蝸桿傳動的嚙合效率和潤滑條件兩個方面對不同傳動比的漸開線圓柱蝸桿的傳動效率進行理論分析,並通過傳動比分別為1 / 50和6 / 31的漸開線圓柱蝸桿設計參數得到蝸桿潤滑條件的理論分析結果和蝸桿嚙合效率、傳動效率的變化勢,同時利用電測法對蝸桿傳動的傳動效率、潤滑油平衡度進行測試,將測試數據與理論計算結果進行對比分析,得出理論分析結果的正確
  14. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的能要求;聚四氟乙烯樹脂熱分解度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融度及分解度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極基團,有利於提高其與其它組分的相容,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦能間的關系,擬合曲線基本能表示各配方的摩擦系數發展勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  15. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特發生明顯的變化,最高爆發壓力下降,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒度下降,滯燃期延長。
  16. With the advantages as elaborated by the authors, and with the increase of low temperature silos and / or warehouses in china, it is a trend to develop husked rice storage

    文中闡述了糙米儲藏的優越,提出隨著我國低糧倉的逐漸增加,以糙米為儲藏方式應是發展勢。
  17. The thesis introduces the general engine development, domestic and foreign, analyses the present situation and future development trend of environment friendly lubricants, studies on theories of flow activation and low - temperature jellification which well illustrate the low - temperature property of environment friendly lubricants, researches the low - temperature flowability of environment friendly lubricants in perspective of molecule, then theoretically synthesizes plastic and flow principles of environment friendly lubricants and finally reaches a ground to explain low - temperature properties of environment friendly lubricants

    本文論述了國內外內燃機油的發展概況,分析了環境兼容潤滑油的發展現狀及勢,研究了可以用於解釋環境兼容潤滑油低能的流動活化理論和低成膠理論,從分子的角度研究了環境兼容潤滑油低流變特,對潤滑油的粘塑流變機理進行了理論推導,找出了解釋環境兼容潤滑油低流變特的根據。
  18. Modification of ep by nano - sio2 and organic silicone was presented to enhance heat - resistant, wet - resistant and mechanical properties of ep cured system by review of nano - composites, modification of ep and nano - sio2. polymerization of epoxy resin and teos with dispersing nano - sio2 was studied

    用納米sio2和teos共同改ep的酸酐固化體系,隨teos和納米sio2添加量的增加, si o si網路結構于完善,產物的耐高能顯著提高。
  19. Water - in - oil - in - water type multiple emulsion ( w / o / w ) in which drug is entrapped in oil droplet can protect drug from pepsin and has lymph taxis. so, it is suitable to protein drugs for oral. in this study, two suitable preparation were made

    W / o / w型復乳以油膜包裹藥物,可以保護藥物免受胃蛋白酶的破壞,並具有淋巴,而且制備條件和,不影響藥物的穩定,適合作為蛋白類藥物的口服劑型。
  20. The development status and trend of gasoline engine oil at home and abroad are described in this paper. the tribology and lubrication characteristic and lubrication mechanism of the main tribo - pairs of gasoline engine are analyzed simply. in this paper base oil and some additives are chosen reasonably according to the lubricantions principal and a lot of data. the uniform design of experiment is used to arrange multi - level and multi - factor experiments. the stepwise technique is adopted to analyze the result. the sensitivity and compatibility among additives and the base oil are studied by a series of tests. on the basis of analyzing the low temperature capability the optimum of 15w / 40 sh gasoline engine oil is presented. at last, the property of this formulation is evaluated by comparing with the imports. the test result shows that their qualities are equivalent

    本文介紹了國內外汽油機油的發展現狀以及發展勢,通過分析汽油機主要摩擦副的摩擦磨損特和潤滑狀態以及汽油機對潤滑油的能要求,在潤滑理論的指導下和參閱大量資料的基礎上,合理地選擇基礎油和添加劑。本文用均勻實驗設計安排實驗,用逐步回歸技術進行結果處理,分析了基礎油對添加劑的感受和添加劑之間的配伍。在重點考察汽油機油低能的基礎上,提出了15w 40sh級汽油機油的優化配方。
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