等比生長 的英文怎麼說

中文拼音 [děngshēngzhǎng]
等比生長 英文
isogony
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • 等比 : ratio of equality; equal ratio等比級數 geometric progression; geometric series; 等比生長 [生物學]...
  • 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
  1. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為態學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態學及物學特性、經濟價值方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年攀緣草本植物)為材料,試圖從態學及態學角度揭示攀援植物如何適應不同境及其機理。
  2. The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species

    松嫩平原,羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥6種根莖型禾草種群的分蘗節最多可以存活2 5個年度,可以進行營養繁殖2 4個世代,分蘗株的齡級數與分蘗節營養繁殖的世代數相同,在種群分蘗株的數量和物量上,季的各個時期均以幼齡分蘗株占較大例,呈現為明顯的增型年齡結構,各種類的年齡譜組成各異。
  3. The equipment could mill all kinds of material which could be milled on traditional pulverizer, but also could mill powder which strictly prescribe the maximal diameter and size distribution is confined, such as kaoline, talcum powder, copycat powder, coating, mica, hormones, alumina etc

    設備都能超細加工在普通粉碎機上能夠被粉碎的物料,尤其適合加工那些嚴格規限最大顆粒井要求粒度分佈狹窄的產品,如高嶺土、滑石粉、復印機粉、塗料、雲母、素、氧化鋁
  4. The experiment was conducted to determine the influence of different regulation and control methods of soil moisture, such as plastic film mulching, covering grass under trees, growing grass under trees, irrigating regularly, loosening the soil under trees, on quality of fruit in a non - public nuisance crisp pear garden in the area of old course of yellow river

    摘要以45年酥梨樹為試材,分析測定塑料薄膜覆蓋、樹盤覆草、自然草、定期灌水、清耕不同土壤水分管理措施對土壤水分和酥梨品質的影響,結果表明:塑料薄膜覆蓋和樹盤覆草處理中,土壤含水率較適宜,且變幅較小,有利於果實發育和提早著色,提早成熟,產量和品質較好;其它處理中土壤含水率要麼過高,要麼過低,且變幅較大,酥梨的果實品質也較差。
  5. The stems and rhizomes were observed to differ in cortex - cell layer, perivascular fiber - ring presence, vascular cylinder and pith proportions, vascular bundle number and secondary growth and these differences were associated with their own physiological functions

    地上莖和根狀莖之間在皮層細胞層數、周維纖維柱的有無、維管柱和髓所佔例、維管束束數、次方面存在差異,這些差異與它們各自擔負的理功能相關聯。
  6. There are concerns that harvesting wild shrimp for aquaculture may deplete local shrimp populations or cause by - catch problems, hi addition, the use of wild shrimp poses a serious risk to the shrimp aquaculture industry because they may be carriers of virulent viruses. the life cycle of chinese shrimp has been closed, paving the way for the establishment of genetic improvement programs. the use of dna markers can contribute significantly to the development and implementation of genetic improvement programs

    本文嘗試利用aflp及其相關技術sampl在中國對蝦中篩選相關分子標記,並通過較抗病中國對蝦(第四代抗病蝦)及對照(前幾代抗病中國對蝦、野中國對蝦)譜帶差異,試圖找到與中國對蝦速度、抗病性狀相關的分子標記或主效基因,為中國對蝦的遺傳圖譜構建、 qtl作圖、分子標記輔助選擇及其他育種方法奠定遺傳學基礎,同時對中國對蝦性別相關標記和sampl法發展微衛星標記作了一些探討。
  7. The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of

    對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;起si ( 100 ) ,選用si ( 111 )作為基片的碳化層的晶粒取向一致性明顯更好。
  8. The results showed that every test group had no significant difference in growth speed, feed utilization rate, survival rate, carcass quality of meat duck comparing with the control group

    結果顯示這3種飼料添加劑與對照組相在肉鴨速度、飼料利用率、成活率、屠體品質方面均無顯著差異。
  9. The main conclusions include : 1 ) among the non - biological factors, temperature is the most important factor that influence the development of the cochineal insect, the insect cannot finish life cycle under 15 associated conditions in spite of a few of egg can hatch, while at associated conditions of temperatures 20, 25, 30, the insect can finish life cycle, but comparing from the amount of eggs, generation tendency indexes and the sizes of the female adults, 25 associated conditions are the best

    得出的主要結論包括: 1 )在胭脂蟲的發育過程中,溫度是影響胭脂蟲發育的最主要因子,在15的恆溫狀態下,盡管胭脂蟲卵有少量孵化,但不能完成世代,而在20 、 25 、 30的恆溫下胭脂蟲能正常發育並完成世代。從培育的胭脂蟲雌蟲體大小、懷卵量及世代傾向方面較, 25的溫度最有利於胭脂蟲的培育。
  10. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為,發現支化聚乙烯的結構與線性聚乙烯相同為正交結構,但晶格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加,表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響,主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程,使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明,低分子量的支化聚乙烯的結晶方式的轉變溫度分子量的線性聚乙烯降低了約20
  11. The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas

    對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、化和遺傳學特性進行的較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素10種抗素的敏感性、對葡萄糖19種碳源和谷氨酸12種氮源的利用能力及性能與出發菌株ybt - 1463無明顯差異。
  12. Begin with the comparation of two widely used methods producing the strontium titanate, the oxalate decomposition method shows its advantage hi the microstructure and future performance. the effect of caco3 is studied, and so is the effect of the donor dopant, such as nb2o5, y2o3 and la2o3. the dopant of tio2 is also considered, which involve ti / sr ratio, sintering temperature, oxygen partial pressure, donor dopant, grain growth and future electric performance

    從對草酸鹽分解法和固相合成法這兩種制備srtio _ 3主晶相的方法開始,在予合成料的制備過程中分析了施主nb _ 2o _ 5 、 y _ 2o _ 3 、 la _ 2o _ 3以及caco _ 3所產的影響;在tio _ 2摻雜的問題上,綜合考慮了ti / sr、燒結溫度、氧分壓、施主摻雜、晶粒的微觀與成瓷后的元件宏觀電性能之間的相互關系。
  13. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學手段研究了土壤施磷水平、植物磷營養狀況、土壤有機磷對am真菌和代謝活性的影響;不同am真菌的代謝活性及其與菌根效應之間的關系,並對我國華北、華中和華南地區篩選出的高效菌株進行了態適應性的較,以期在理論上闡述宿主植物狀況及土壤條件對菌根真菌和代謝活性的調控機制,篩選出具有廣泛態適應性的am菌株。
  14. Ultrafine powder, the high quality ultrafine power has been got. ( 2 ) the perfect rutile has been got with flame fusion method in developed domestic sjz sintering machine, and the technology of crystal growth has been clearly analyzed. in the end the suitable techniche has been got on the basis of systemic study on the conditions of growth

    通過對晶體中的籽晶方向、氣氛的作用的大量深入的研究,得出了金紅石晶體焰熔法現階段的最佳工藝條件,即籽晶( 001 )在氫氧為1 : 1的附近,通過加氫進行擴肩,然後在1450加氧退火24hr后就能夠獲得完整透明的金紅石單晶。
  15. Analysis on breeding data of yunong white pig lines and showed that compared with yunong white pig line, yunong white pig line was greatly improved on breeding performance, developing perfomance of generation and developing performance and carcass measure inden of hybrid progeny commodity pig

    摘要通過對豫農白豬系、系相關育種資料進行系統統計分析和較,豫農白豬系在繁殖性能、世代的發育性能、雜交後代商品豬發育性能及胴體測量指標方面均明顯高於豫農白豬系。
  16. The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var

    本文通過固定和典型樣地,對東北山地不同發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次林、落葉松水曲柳混交林8個林型土壤質量進行了對與分析,深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林產力變化的關系,並提出了林地土壤質量調控措施。
  17. Were studied together with the reference strains of recognized rhizobium and bradyrhizobiwn species by performing polyphasic taxonomy, including numerical taxonomy, rep - pcr fingerprinting, 16s rdna pcr - rflp. the result show that : the growth rate of rhizobia isolated from the root nodules of pueraria spp. showed great diversity. ccbau41147 ccbau6110 k ccbau61096 and ccbau61095 were fast - growing strains, the single colony size was bigger than 1mm after 2 days incubated oq yma medium at 28 they can produce acid. the other strains were slow - growing strains, their single colony size was less than 1 mm after 7 days incubated on yma medium at 28. they can produce alkali

    本研究以從我國四川、河南、安徽和湖南地分離的32株葛藤根瘤菌為研究對象,以20株已知種的根瘤菌為參菌株,採用數值分類、 rep - pcr指紋分析、 16srdnapcr - rflp指紋分析現代根瘤菌分類技術,初步研究了葛藤根瘤菌的物多樣性和分類地位,結果表明:葛藤根瘤菌在速率上表現出多樣性,菌株ccbau41147 、 ccbau61096 、 ccbau61101和ccbau61095較快, yma培養基上28培養2 - 3天後,單個菌落直徑大於1mm ,具有產酸能力,是快型葛藤根瘤菌;其餘待測葛藤根瘤菌較慢, yma培養基上28培養7天後,單個菌落直徑小於1mm ,具有產堿能力,是慢型葛藤根瘤菌。
  18. The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism

    我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析,發現ro口口、 doil 、 doi口jlll3i潛在突變株對aba 、過氧化氫及早脅迫有明顯表型,同時對潛在突變體的發育進行了詳細的觀察,發現多數潛在突變株與同條件下野出現了許多明顯的形態改變,如:蓮座基葉增多、分層、肥大,花期提前或延遲,主莖輪座,株型矮化,產籽量少,不育,敗育,這些理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發了紊亂,具體和詳細的作用機制還需要進一步的研究。
  19. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上,採用電子迴旋共振離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝gan aln量子點結構的工藝、結果及討論。而重點分析了自組裝量子點之前的aln外延層工藝,包括襯底清洗、氮化、緩沖層的和gan 、 aln外延層的;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的較研究,得出了較優化的工藝條件,出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠出原子級平滑的aln外延層表面,因而沒能夠出密度較大和直徑較小的量子點。
  20. Hexadecyl hydrogen maleate ( hhm ) is a new kind of analyzer crystal for soft x - ray spectroscopy, with a large 2d spacing of 58. 58a. hhm is hoped to give a better growth habit than octadecyl hydrogen maleate ( ohm ), because of its shorter chain length and narrower 2d spacing. in this paper, a large hhm single crystal of dimensions 60mm x 40mm x 3mm was obtained in the benzene solution by lowing the solution temperature

    馬來酸氫十六酯( hhm )是一種新型的軟x ?射線分光晶體,晶面間距2d於58 . 58a ,與ohm (馬來酸氫十八酯)屬同一系列分光晶體,碳鏈的縮短、晶面間距的減小有望給出ohm更好的和結晶習性。
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