無礦期 的英文怎麼說
中文拼音 [wúkuàngqī]
無礦期
英文
barren stage-
In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。Fuhong class a inorganic dampproof fireproof board adopt natural minerals, featuring good performance in water, sunshine, acid rain, and frosted condition, its lifespan can last as long as more than 20 years, it keeps room warmer in winter and cooler in summer, damp - resistant, wet - resistant, it is applicable to island climate, and wont generate halogenation like ordinary fireproof board
福宏a級無機防潮防火板:為天然礦物研製而成,具備了礦物應有的特性,長期水浸日曬酸雨寒凍也不脫層變質或腐蝕,使用壽命更可達20年以上且冬暖夏涼,又能抗濕抗潮,更能適合海島型氣候,絕不會有一般防火板材的反鹵現象。Early in the war, the germans decide they need to guarantee access to the norwegian port of narvik to insure their supplies of swedish iron ore
挪威的戰爭二次大戰初期,德軍要力保挪威口岸航線,使瑞典鐵礦供應無阻。During the middle and late 1980s, without control from the government, ganzhou tungsten industry resulted in the situations of illegal exploration and mining, losing control of quality, smuggle and out - of - order competition
80年代中末期,在「大礦大開,小礦放開,有水快流,國家,集體,個人一齊上」的錯誤主張影響下,贛州鎢業陷入了亂采濫挖,產量失控,走私販私,無序競爭的混亂局面。On the 90th day, the content of organic matter of soil samples under illumination condition was 2 - 3 times more than that of the beginning. ( 4 ) micro - algae can decompose organic phosphorus into inorganic phosphorus and increase the content or the potential content of soil available phosphorus. ( 5 ) theoretically, because of some micro - algae ' s nitrogen fixation, the sterile soil ' s content of nitrogen should increase, but in 90 days, its increment could not be determined
( 3 )土壤微藻通過光合作用將二氧化碳合成為有機物,增加土壤的有機質含量,在90天的實驗期內,有微藻生長的土樣內的有機質含量是對照組的2 - 3倍。 ( 4 )土壤微藻作為溶磷微生物之一能夠將有機態磷礦化成無機態磷,增加貧瘠土壤有效磷的含量或潛在的含量。The creative work is as follow : ( 1 ) setting up a basic model of evaluating mineral resources assets based on the basis of the option a investment portfolio, consisting of mineral product, mineral resources assets and riskless interest rates, has been structured and a basic model of evaluating mineral resources assets based on option has been set up
本文基於該理論對礦產資源資產估價方法進行了系統研究。主要的工作和結果如下: ( 1 )建立了基於期權的礦產資源資產估價基本模型構造了由礦產品、礦產資源資產期權和無風險利率組成的投資組合,推導出基於期權的礦產資源資產估價基本模型。Two types of superposed mineralization natures from usual zoning sequence of known orebody are revealed : vein no. 1 is only superposed by invaluable mineralization, vein no. 8 is mainly superposed by blind orebody and it is confirmed by latest exploration
揭露了該礦區已知礦體的常規分帶序列中隱含的兩種礦化疊加性質: 1號脈為無工業意義的礦化疊加; 8號脈則主要為下部隱伏礦體的疊加,並已得到後期勘探驗證。We need to show the same kind of respect for life whether a child is in the womb, or whether in a coal mine, or in a long - term care facility
我們需要對生命表示某種尊重,無論是對在子宮內的胎兒,還是在煤礦或長期護理機構內的人。Based on analysis on research existing status and application foreground of nanometer materials in cemented based material, the paper firstly discusses the microstructure properties of the three nanometer materials and compares them with the corresponding ordinary crystals. by unconfining compression strength tests of the cemented soil stabilized with the nanometer materials, influencing rules of nanometer material addition ratio and curing period on the strength are individually analyzed
在總結納米材料在水泥基材料中的應用現狀以及應用前景的基礎上,本文首先分析了三種納米礦粉的微結構特性及其與普通礦粉的微結構特性異同;通過水泥土室內無側限抗壓強度試驗,探討了納米礦粉摻入比和齡期對水泥土強度的影響規律。Everybody need brush his or her teeth in order to keep teeth clean and be far away from diseases. but however they try to brush their teeth, dental plaque which turns into tartar on the teeth by long - time calcification of mineral in saliva and especially appears around gums can not be brushed away
我們每個人都要刷牙,這是為了讓牙保持清潔,不得疾病,可是再認真的刷牙,也無法刷掉肉眼看不見的菌斑,這些菌斑經過唾液中礦物質的長期鈣化就形成了牙石附在牙,尤其在牙緣處最多見。Mineral makeup has a stable chemical structure, without talc or starch. fillers. they have a longer shelf life of three years
礦石彩妝的化學結構很穩定,不易產生變化,保存期較一般化妝品長得多,基本上保用三年毫無問題。分享友人