氣候小種 的英文怎麼說
中文拼音 [qìhòuxiǎozhǒng]
氣候小種
英文
climatic race-
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、生物學特性入手,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種溫度、 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、種群趨勢指數、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,分析出溫度、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。Pounds and his team set out to test whether fungal disease exacerbated by climate change could explain the loss of 70 or so species of harlequin frog ( atelopus ) from the highlands of central and south america
龐茲和他的團隊開始檢驗:由於氣候變化而加重的真菌疾病是否能解釋中南美洲高地大約70種小丑蛙的損失。Maize and lucerne, apart from wheat and barley, are the crops best suited to their clmate.
除了小麥和大麥外,玉米和苜蓿是最適合他們那種氣候的作物。The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest
主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison
在上述第2部分,首先利用baseline和國際上通用的3種大氣環流模型( gcms )即giss 、 gfdl和ukmo的有關網格點值,生成了研究區域3種不考慮氣候變率變化的( 2 co _ 2 )氣候變化情景(以下簡稱c情景) ;然後,提出了未來氣候變率可能變化的3種假設,並應用dssat (農業技術轉化決策支持系統)中的wgen (隨機天氣發生器) ,分別生成了研究區域( 2 co _ 2 )條件下兼顧氣候及其變率的氣候變化情景(以下簡稱c + v情景) ;再后,在上述( c + v )情景下分別運行ceres - wheat (作物-環境資源綜合系統-小麥) ,還考慮了大氣co _ 2濃度的直接影響,並與baseline條件下ceres - wheat的模擬值進行比較,在此基礎上評價了( 2 co _ 2 )條件下氣候及其變率變化對研究區域冬小麥生產的影響。It is clearly pointed out in the paper that the inapplicability of those cai software developed by commercial companyjthe difficulty with teachers " making software themself ; the unsatisfactory development of cai. which call for the reflection of those working on the research of cai theory at primary and secondary level and those working on putting cai into practice
認為當前cai中存在商業教育軟體不適用,教師自製軟體難的嚴峻問題,課堂的計算機輔助教學沒有形成理想的規模和氣候,廣大中小學教育理論工作者和計算機輔助教學實踐者必須對cai做出新的反思。計算機輔助教學軟體是軟體的一種,是服務于教學的軟體,這是其特殊性。Moreover, milking wheat should be irrigated since the weather is very drought and short of rainfall from maize interplanting to jointing stage
另外,灌漿小麥應當灌水,因為玉米套種至拔節期氣候乾燥少雨。There are one district, 2 municipalities and 14 countiesunderitsjurisdiction. it covers an are a of 20, 510 square kilometers with a populationof, 955, 700. linfen lies in semi - arid and semi - humid temperate continental monsoon climatezone. the annual average temperature is 8. 1 - 12. 1. the precipitation here is 453. 9 - 688. 4mm, with annual frost - free period of 125 - 191 days. the favourable climate creates quite advantageous conditions for the agricultural production. main gricultural products are grain and cotton and various industrial crops. the resources of agricultural byproducts are abundant, especially in the central linfen basin, known as the fertile land and the hometown of cotton and wheat
農業以糧棉和多種經濟作物為主,農副產品資源豐富,特別是中部臨汾盆地,土質肥沃,氣候溫和,物產豐富,素稱「膏腴之地」和「棉麥之鄉」 ,是山西省棉麥生產基地之一,主產小麥棉花玉米豆子紅薯西瓜等,山區縣盛產紅棗核桃還旃Impact of climate warming on winter rape planting in gansu province
甘肅省冬小麥生態氣候分析及適生種植區劃The pattern of shoujinliao ' s climatic design : first, it talks about shoujinliao ' s ventilation, analyses every stale belong to each compose of space appeared in shoujinliao. sum up that ventilation system is made up by draught and wind route, by showing data and photograph, then, it talks about shoujinliao ' s methods of sunshade and heat insulation, that is, sunshade of concentrated, sunshade of small yard, sunshade of eaves, sunshade of balcony. heat insulation of outward wall, clay tiled roof and composition neatly
著重分析手巾寮結合氣候的模式,首先談及手巾寮建築通風經驗,深入分析各種空間高低組合情況下手巾寮的通風情況,藉助調研資料和實景照片對通風系統中通風口和風道的合理安排進行介紹;其次是手巾寮其他氣候經驗,如遮陽方式主要體現在連房密集遮陽、小天井遮陽、檐下灰空間遮陽、陽臺遮陽等,又如隔熱途徑有墻體隔熱、灰泥苫背瓦屋面隔熱及規整形隔熱,再如綠化水體的降溫措施,上升到環境高度看待建築,探討手巾寮組織天井綠化、利用街巷綠化、配合周邊水域的建造經驗。In colder climates, seeds can be fostered by planting them in healthy soil and in small germination cups within a hothouse to be transplanted as the soil in the garden thaws enough in spring
在寒冷氣候下,種子可在溫室中用小小的萌芽杯裝入營養土栽培,當天氣轉暖時土壤充分解凍時再移栽到花園中。Hong kong s land and coasts reflect the nature of the underlying rock, the processes that have shaped the rocks, the climate and sea level changes long ago
香港面積雖小,地形卻變化萬千。香港的地貌顯示了底層巖石各種形成作用,以及漫長歲月的氣候變化和海平面變動帶來的影響。In this paper, the characteristic of ecological distribution of the order aulonoraphidinales has been discussed. the result showed that the characteristic influenced by regional climate and situation is not notable, but the influence from located water body is relatively obvious, the number and quantity of those species is richer in temporary water body, seep water beside lake and marsh, yet less in brook, river, lake and other water body
發現管殼縫目硅藻的分佈受區域氣候、地理位置等的影響並不顯著,而受所處水體的小環境的影響較為明顯,在臨時性水體以及湖邊滲出水、沼澤中管殼縫目硅藻的種類多,數量也多;而在溪流、河水、湖水等水體中種類和數量都很少。When considering the combined impacts of climate change and the direct effects of co2 ( cc + pe ), the simulated yields for irrigated wheat would increase at most sites. this was because the beneficial effects of co2 elevation might offset in a great extent the unfavorable effects due to shortening of the growth duration
當綜合考慮氣候變化和c伍濃度的直接影響( cc + pe )時, 3種gcms情景下灌溉小麥的模擬產量在絕大多數樣點都增加了,這主要是因為co :增益作用很大程度上可以抵消生育期縮短帶來的減產效應。Based on the principal of the least prediction error and introduced relation analysis method, a new prediction method was advanced in the field of local climate prediction
摘要針對局地短期氣候變化的非線性特徵及其難以用模型準確刻畫的現狀,根據預報誤差最小原理,引入關聯度分析,提出了一種關于局地短期氣候預測的關聯度方法。This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below
以地處中原、具有典型代表意義的河南層狀降水雲系為主要研究對象,在對該地歷史天氣氣候和雲物理等資料分析的基礎上,研究設計雲系多尺度觀測方案(包括加密觀測項目、觀測時空解析度) ,實施有設計的外場綜合觀測,獲取雲系結構多尺度(大、中、小、微)配套的實時觀測資料;通過對各種觀測資料的分項和綜合處理分析,以典型個例觀測和數值模擬分析研究為重點,綜合多個例分析,研究河南層狀降水雲系多尺度宏微觀結構特徵、降水物理機制和人工增雨潛力條件,建立典型層狀雲系人工增雨概念模型,研究科學的人工增雨作業技術系統。The study of this system takes advantage of eleven kinds of models ( mid - term and short term ) on wheat or corn diseases and insect pests which are offered by the department of plant protection, agricultural university of hebei, which based on the regularity of the plant diseases and insect pests in hebei province, and make accordingly database and knowledge base
另外,考慮到病蟲害受地域、氣候條件影響較大,特開發適合河北省的網上專家系統。本系統的研製開發是根據河北農業大學植保專業等單位提供的河北省小麥、玉米11種病蟲害中長期模型和短期模型,並以此建立相關的數據庫和知識庫。Also, a predictive model is established with method of ssa - mem, which can be used to predict monthly mean temperature of the first half year in heilongjiang province. rms error of these two methods are both less than climatological forecast ' s, especially, independent sample is adopted in ssa - mem method
並利用ssa - mem方法建立可用於黑龍江氣溫的年度預報模型,這兩種方法的預報均方根誤差均小於氣候預報的均方根誤差,而且ssa - mem方法是獨立樣本試驗。Moreover, these dust particles are ideal in size for creating ice crystals, which can cause clouds and rain - conditions that could directly affect weather and climate
再者,這些空氣懸浮微粒的大小剛好可以製造出冰晶,會導致雲層的生成和下雨? ?種種現象都有可能直接影響到天氣及氣候。The ecological functions of earthworm include : ( 1 ) effects on key soil ecosystem processes such as decomposition of soil organic matters and nutrient cycling ; ( 2 ) effects on soil chemical and physical properties ; and ( 3 ) interaction with plants, microorganisms and other animals
蚯蚓活動及其在生態系統中的功能受蚯蚓生態類群、種群大小、植被、母巖、氣候、時間尺度以及土地利用歷史的綜合控制。分享友人