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middle stable
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  中稳性
     5. In the tested calcareous Chao soil, the amounts of organic phosphorus (OP) components was in the sequence: middle active OP >active OP>middle stable OP>high stable OP.
     5.石灰性潮土的四种有机磷组分中,以中度活性有机磷为主,其次为高稳性有机磷和中稳性有机磷,活性有机磷的含量特别低。
短句来源
     The results indicated that during seedling period the depletion of active organic P (AOP) and middle active organic P (MAOP) occurred, with the depleting rates from 6% to 8%. The middle stable organic P (F-P) and stable organic P (H-P) showed no obvious changes.
     结果表明:玉米苗期根际活性有机磷(AOP)和中等活性有机磷(MAOP)亏缺,其亏缺率为6%~8%,而中稳性和稳性有机磷(F-P,H-P)无明显变化。
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  “middle stable”译为未确定词的双语例句
     The seasonal vari-ations of Pa after anthesis in all of the varieties examined may be divi-ded into three types:slowly declining,middle stable and rapidly dec-lining.
     所有品种花后 Pa 季节性变化可分为三种类型:渐降型、中段稳定型和剧降型。
短句来源
     Meanwhile, change tendencies of land use system were estimated. And six types of change trends were divided, that is, high stable type, middle stable type, low stable type, rising type, descending type, unstable type.
     预测了不同土地利用系统的发展趋势,并划分了6种发展趋势类型:即高稳定型、低稳定型、中稳定型、上升型、下降型和不稳定型。
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  相似匹配句对
     to be stable.
     是稳定的一个特征。
短句来源
     In the Middle
     人在中途
短句来源
     was cratonized and deposited with the Middle Proterozoic stable sediments.
     加里东旋回中叶,经过短暂的拗拉、裂陷,分裂的塔柴板块又重新聚合。
短句来源
     the type with middle and stable productivity (Huanan and Liangshui provenances);
     中产稳产型(包括桦南、凉水);
短句来源
     On Stable Convergence
     关于Stable收敛
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  middle stable
Also, the middle stable period seems to be getting shorter for many major components.
      


Apparent photosynthesis rates(Pa),specific leaf weight(SLW),nitrogen contents per unit leaf area(N/LA),mesophyll thickness(MT),stomatal frequencies(SF)and vascular bundle frequencies(VBF)of mainshoot flag leaves in winter wheat(T.aestivum L.)grown in a field en-vironment have been examined in 1979,1980 and 1981.1.Pa of flag leaf reached maximum at anthesis.The seasonal vari-ations of Pa after anthesis in all of the varieties examined may be divi-ded into three types:slowly declining,middle stable and rapidly...

Apparent photosynthesis rates(Pa),specific leaf weight(SLW),nitrogen contents per unit leaf area(N/LA),mesophyll thickness(MT),stomatal frequencies(SF)and vascular bundle frequencies(VBF)of mainshoot flag leaves in winter wheat(T.aestivum L.)grown in a field en-vironment have been examined in 1979,1980 and 1981.1.Pa of flag leaf reached maximum at anthesis.The seasonal vari-ations of Pa after anthesis in all of the varieties examined may be divi-ded into three types:slowly declining,middle stable and rapidly dec-lining.The tendencies of seasonal variations of SLW and N/LA weresimilar,but the rates of SLM and N/LA reached maximum to be laterthan Pa.2.The difference between varieties on Pa,SLW,N/LA,MT,SF,except VBF,were prominent.For Pa,SLW and N/LA after anthesis,the difference between varieties were also prominent.3.At anthesis and after anthesis SLW,N/LA and MT were all cl-osely correlated with Pa and also closely correlated with each other.SFwas also closely correlated with Pa,but not with SLW and N/LA.4.SLW and N/LA at jointing stage and anthesis were correlated.

1979~1981年研究了田间生长条件下的冬小麦主茎旗叶的光合强度(Pa)、比叶重(SLW)、叶氮量(N/LA)、叶肉厚度(MT)、气孔密度(SF)和维管束密度(VBF)。研究表明:(1)旗叶 Pa 高峰出现在开花期。所有品种花后 Pa 季节性变化可分为三种类型:渐降型、中段稳定型和剧降型。SLW 和 N/LA 季节性变化的趋势是相似的。(2)除 VBF 外,Pa、SLW、N/LA、MT、SF 品种间差异显著。花后 Pa,SLW 和 N/LA 品种间差异也显著。(3)开花期和开花后SLW、N/LA 和 MT 与 Pa 均显著相关,彼此之间也显著相关。SF 也与 Pa(?)显著相关,但与 SLW 和 N/LA 不相关。(4)拔节期的 SLW、N/LA 与开花期的显著相关。

A large number of valuable analytic data of the chemical compositions and isotopes of natural gases have been obtained from 532 natural gas samples of 19 oil - gas - bearing basins in China. On the basis of the comprehensive research of the characteristics of natural gases it has been considered that the space distribution of the content and isotopic composition of rare gases in natural gases were controlled by tectonic settings. According to the 3He/4He values the distribution of the He isotopes in the oil...

A large number of valuable analytic data of the chemical compositions and isotopes of natural gases have been obtained from 532 natural gas samples of 19 oil - gas - bearing basins in China. On the basis of the comprehensive research of the characteristics of natural gases it has been considered that the space distribution of the content and isotopic composition of rare gases in natural gases were controlled by tectonic settings. According to the 3He/4He values the distribution of the He isotopes in the oil - bearing basins can be divided into four areas: (1) eastern active area, where the natural gases of the basins near the Tancheng - Lujiang Fault have an average 3He/4He value of 10-6, suggesting the addition of the mantle - derived volatile components, and the natural gases of the basins far from the Tancheng - Lujiang Fault have a mean 3He/4He value of 10-7; (2) middle stable area, where the natural gases of the basins have an average 3He/4He value of 4× 10-8, minimum of 5 × 10-9, which means that He was monoradioactive ; (3) northwest substable area,where the natural gases of the basins have a range of 3He/4He values from 10-8 to 10-7; and (4) southwest area of Hainal Island, along both sides of Honghe River Fault, where the natural gases of the basins have a range of 3He/4He ratio from 10-8 to 10-7 and averages 10-7, indicating that He was crust - derived. A reverse Y- shaped origin model of rare gases has been proposed and two-origin types have been provided:(a) Crust - and mantte - derived type, distributed in the eastern active area, where the 40Ar/36Ar and 3He/4He values of rare gases increase with the addition of mantle - derived gases and (b) crust - derived type, distributed in the stable and substable area of Centrol and West China, cbaractermng that the 40Ar/36Ar values of rare gases increase but the 3He/4He values decrease with geological ages. Meanwhile, the time - accumulating - effect of Ar and He isotopes in natural gases is also researched. The formula which can be used to calculate the ages of crust -derived gas source rocks using He and Ar isotopic methods is suggested.The formula can be applied to tracing and comparating gas source rocks, which is of practical signficance for gas exploration. In addition, the rare gas geochemistry, hydrocarbon gas geochemistry, and the related geological backgrounds of the central north gas area of Erdos Basin, the Chuandong gas area of Sichuan Basin,the Ya 13 -1 gas fields and the Dengfang- Ledong gas zone have comprehensively been researched and some new views on the three large - or middle - sized gas areas have been suggested.

在对天然气稀有气体地球化学特征进行系统研究的基础上,建立了有关氦、氩同位素组成的横“人”字型的成因模式并提出两种成因类型:A、壳-幔复合型;B、壳源型。同时,还论述了稀有气体的年代积累效应与气源对比,进行了大、中型气区天然气地球化学综合研究。

In the studied area, sedimentary environments evoluted with time, mainly barrier island-lagoon-carbonate platform environments in Benxi and Taiyuan stage, delta systems in early Shanxi stage, meandering river systems in late Shanxi to Shiqianfeng stage. The peat forming environments evoluted with time too. In Benxi and Taiyuan stage, they were unstable and confined lagoon peat flat, barrier island peat flat, wide lagoon peat flat, middle stable wide lagoon peat flat, carbonate platform peat flat. In early...

In the studied area, sedimentary environments evoluted with time, mainly barrier island-lagoon-carbonate platform environments in Benxi and Taiyuan stage, delta systems in early Shanxi stage, meandering river systems in late Shanxi to Shiqianfeng stage. The peat forming environments evoluted with time too. In Benxi and Taiyuan stage, they were unstable and confined lagoon peat flat, barrier island peat flat, wide lagoon peat flat, middle stable wide lagoon peat flat, carbonate platform peat flat. In early Shanxi stage, the peat forming environments were peat swamp of delta flat. From the late Shanxi phase to the low Shihezi phase, peat forming environments situated in peat swmap of flood plain which belong to meandering river system and abandoned channal. Coal forming plant mainly was Cordaites, Lepidodendrales, and Neuropteris in Benxi stage; Cathaysian flora in Taiyuan stage; Odontopteris sp., Annularia orientalis, Pecopteris orientalis, Pecopteris norinii in Shanxi stage. Since Benxi stage to now, the researched area has experienced continuous subsidence and burring during Hercynian Indosinian, then up lifed in Yanshan, disintegration in Himalayan, differential depression in Neotectonic period. The palaeoclimate, paleotectonics which controled coal development has also been analysed in the paper.

淄博地区本溪期—石千峰期沉积环境经历了障壁岛—泻湖—台地环境,三角洲环境,曲流河环境体系的演替。相应的泥炭形成环境有不稳定的局限泻湖泥炭坪,较开阔泻湖泥炭坪,中等稳定的开阔泻湖泥炭坪,三角洲平原分流河道两侧的泥炭沼泽,洪泛平原上的泥炭沼泽。成煤植物上,本溪期以Cordaites,Lepidodendrales,Neuropteris为主,太原期华夏植物群发展,Lepidodendron,Cordaites继续发育,真蕨纲和种子蕨纲占越来越重要的地位。山西期以Odontopterissp.,Annulariaorientalis,Pecopterisorientalis,P.norini为主。自煤系形成至今,本区经历了海西印支期的普遍沉降埋藏、燕山期的普遍抬升局部断陷、喜山期的剥蚀、新构造运动期的差异沉降等阶段。古构造、古气候对本区成煤环境有重要的控制作用。

 
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