泛熱帶種 的英文怎麼說
中文拼音 [fànrèdàizhǒng]
泛熱帶種
英文
tropicopolitan species-
Thirty - nine pantropic families account for 44. 83 % of the total families, while 114 north temperate genera amount to 23. 55 % of the total genera
有39科種子植物屬于泛熱帶分佈類型，占總科數的44 . 83 % ； 114屬為北溫帶分佈類型，占總屬數的23 . 55 % 。In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom
通過對廣東內伶仃島的維管植物區系進行全面考察、採集、鑒定和研究，結果表明: （ 1 ）共有野生維管植物127科367屬551種，其中蕨類植物20科25屬38種，種子植物107科342屬513種， 12種為廣東新記錄; （ 2 ）種子植物區系的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; （ 3 ）屬的地理成分以泛熱帶分佈為主，其次為舊世界熱帶及東亞分佈; （ 3 ）通過與鄰近地區植物區系的比較，發現內伶仃島與香港植物區系相似性最高，與古田、古兜山的相似性次之，而與南崑山的相似性較低，它們均屬于華夏植物區系界的華南省。Following the east element, the north temperate elements consist of 53 species corresponding to 29. 94 % of the total. the tropical elements ( including pantropical element, paleotropical element and india - malaysia element ) consist of 38 species sharing 21. 47 % of the total. the results show that the houhe national nature reserve is transitional climatic belt where the tropical and subtropical elements extend northwards and the north temperate elements infiltrate southwards, which accords with its geographical location
本文按現有資料，並參照吳征鎰先生對中國種子植物屬的分佈區類型的劃分，將后河自然保護區蘚類植物劃分為9種成分，其中東亞成分是最豐富的成分，有65種，占總數（扣除世界廣布種，下同）的36 . 72 ，北溫帶成分有53種，佔29 . 94 ，僅次於東亞成分，熱帶成分（包括泛熱帶成分、古熱帶成分和熱帶亞洲）有38種，占總種數的21 . 47 。Given the vast numbers of heat exchangers used in the process industry for viscous fluids, substantial capital and operating cost savings can be achieved by employing twisted tapes to improve their heat transfer performance
在管內採用扭帶插入件進行強化傳熱是目前工業中強化傳熱應用較廣泛的一種技術，因而受到人們的關注。Particularly, cr4 + - doped crystals as passive q - switch ( saturable absorber ) have got extensive attention, such as cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4 and cr4 + : yso, which have the advantages of wild absorption band, good saturable absorption, long restored time, good photo - chemical stability, no fading, good thermal conductivity and high damage threshold
特別是近年來，摻cr4 +離子的各種晶體如cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4和cr4 + : yso等作為被動調q開關受到了廣泛的關注。它們具有很寬的吸收帶和良好的飽和吸收性質，恢復時間較長，光化學性質穩定，無退化現象，熱導性好，損傷閾值高。To examine the distribution of vegetative storage proteins in woody plants, we sampled at random 70 tree species of tropical hardwoods in 64 genera of 18 families and 30 tree species and 1 variety of temperate deciduous hardwoods in 28 genera of 15 families. we further investigated more systematically the distribution, ultrastructure of vegetative storage proteins in rosaceae ( 17 species and 3 varieties in 12 genera ), leguminosae ( 10 species and 1 variety in 9 genera ) and meliaceae ( 16 species and 2 varieties in 12 genera ), identified many vegetative storage proteins and tested their irnmuno - relatedness in meliaceae and in other families
在此基礎上，較廣泛地研究了營養貯藏蛋白質在18科64屬70種熱帶樹木和15科28屬30種2變種溫帶落葉樹木中的分佈，較系統地研究了營養貯藏蛋白質在薔薇科（ 12屬17種3變種） 、豆科（ 9屬10種1變種）和楝科（ 12屬16種2變種）中的分佈、超微結構及其分離鑒定和糠科樹木營養貯藏蛋白質的免疫相關性。Helan shan is located in the northwest of china, 37. 0 - 3 9. 6 n. and 105. 3 - 106. 8 e. its altitude ranges from 1 600m to 3 556m. the cosmo politan genera and species of higher fungi from helan shan amount to 64. 1 % and 1 9. 8 % respectively. most of them are saprophytic taxa of broad physiological adap tability. the genera belonging to the boreal areal type make up 35. 9 %, and species 52. 7 %, which indicates that the higher fungi flora of the helan shan are dominan ted by boreal elements. no tropical genera and species have been found there. the elements of europe - asia add up to 11. 5 %, while the elements of east asia - north america amount to 9. 9 % which shows close relationship of fungi between the helan shan and the above two regions. the elements of china - japan amount to 3. 1 %, whic h reflects some relations of higher fungi between china and japan. few elements e ndemic to helan shan were found but with further investigation and study, it is p ossible to find some considering its isolated geographic location and varied top ography
賀蘭山高等真菌區系地理成分中，世界性分佈屬佔64 . 1 % 、種佔19 . 5 ，他們多為適應性強的腐生菌類;歐亞北美分佈屬佔35 . 9 % 、種佔52 . 7 % ，未發現熱帶分佈的屬或種，充分顯示出該地區真菌以北溫帶分佈成分為主的特點;歐亞分佈種佔11 . 5 % ，東亞北美分佈種佔9 . 9 % ，表明該地區真菌區系與歐洲、北美洲的密切聯系;中國&日本分佈種佔3 . 1 % ，可見本地區和日本在真菌區繫上也有著聯系;本地區特有成分較少，但從賀蘭山特殊的地理位置、相對孤立的山體和復雜的地形分析，隨研究工作的深入，很可能有一些山的分佈的特有成分被發現.賀蘭山真菌區系成分與鄰近的內蒙古大青山相比較，共有種多達57種，而與地處亞熱帶向熱帶過渡的湖南莽山相比較，共有種僅有12種，更進一步說明本地區深居北溫帶，真菌區系以泛北極成分為主的特色Rscc manufactures heating cables for a wide variety of process temperature maintenance applications
Rscc生產的電熱帶廣泛應用於各種工藝維溫領域。Diamond is a remarkable material due to its special crystal structure, which shows high hardness, low friction coefficient, high thermal conductivity, high optical transparency, low permittivity and high band gap etc. cvd diamond films are widely used in mechanical coating, heat sinks, optical window, semiconductor devices and other application fields because of its low price and high performance
金剛石的特殊晶體結構使其成為一種性能優異的功能材料，它具有高硬度、低摩擦系數、高熱導率、高透光率、低介電系數和高禁帶寬度等性質。化學氣相沉積制備金剛石膜成本低、質量高，廣泛應用於工具塗層、熱沉、光學窗口、半導體器件等方面。The cladogram shows that the opatrini of 14genera in china is not a monophyly, mesomorphus is a monophyly, and another monophyly is composed of others 13 genera. and according to the faunal analysis, we can conclude that opatrini in china is mainly distributed in palaearetic region, hi which the number of genera makes up 59. 1 % ( 13 genera ) of the total, including 50 % ( 11 genera ) in middle asian subreahn, which combined with distribution of this tribe in the world, so it is proposed that the middle asian subrealm can be viewed as the core of distribution. most of genera distributed in limited area, only gonocephalum distributed in extensive area
根據已知種類，對世界和中國范圍內土甲種類的區系組成和地理分佈特徵進行了首次分析，結論為：世界土甲族以西半球最豐富，古北區最多，其次為非洲區；我國土甲的主體成分是古北區種類，共有12屬（ 54 . 5 ） ，其中11屬（ 50 ）分佈於中亞地區，據此認為我國土甲在區系組成上以中亞成分為主；我國除土甲屬gonocephalum廣泛分佈外，絕大多數屬均為狹域分佈；蒙新區和華南區的特有屬較多，說明中國土甲族具有中亞起源和熱帶起源兩種可能；物種數量分佈以蒙新區最多，華南區其次，呈現兩極分佈格局。With the development of radar technology, one of the obvious features of radar is the improved resolution. the imaging radar is a type of high - resolution radar, which is based on the technology of broadband microwave and advanced signal processing. by use of the imaging radar, which has broad applications and has become the focus of the field, the target can be imaged hi all weathers and at anytime from far distance
隨著雷達技術的發展，現代雷達的最顯著特點之一就是對目標的分辨能力的提高，以寬帶微波技術和先進的信號處理技術為基礎的成像雷達，它作為一種高解析度的雷達，能夠對觀測對象進行全天候、全天時、遠距離的成像，有著廣泛的應用前景，成為研究的熱點。This group of plants is widely distributed all over the world in a wide variety of species, and they therefore, have a significant effect on the appearance and structure of community, particularly on those of tropical and subtropical regions. many species possess significant economic value, however, some of them can also severely endanger the forest community, agricultural crops and other plant life
這類植物在世界范圍內分佈廣泛，種類繁多，對群落的外貌和結構特別是熱帶、亞熱帶森林群落的外貌和結構有重要影響；其中許多種類具有重要的經濟價值，但也有些種類嚴重危害森林群落、農作物等。分享友人