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subarid
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  “subarid”译为未确定词的双语例句
     Optimum planting depth to poplar mechanical afforestation in subarid sand
     半干旱沙地杨树机械造林的最佳栽植深度
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     A study on occurrence process, affecting factors and control technology measures of wind erosion on arid and subarid agricultural lands
     旱作农区土壤风蚀过程、影响因素及其防治技术措施
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     Study on Investigations and Heredity Characters of Germplasm Resource of Siberian Apricot in Subarid Area
     半干旱地区山杏种质资源调查及遗传特性的研究
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     These materials reveal that Holocene paleosol around Xi′an formed during Megathermal is luvic cinnamon soil developing in warm and humid climate but not developing in subarid climate.
     结果表明 ,该地区全新世大暖期的古土壤为温湿气候条件下发育的淋溶褐土 ,并非过去所称的半干旱条件下发育的“黑垆土” .
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     The west of Jilin province is a subarid ecotone with farming and stockbreeding, which main characteristics (soil desertization and alkalization, steppe degeneration) have restricted the sustainable development in social economy of Jilin province.
     吉林省西部为半干旱农牧交错区,以土地沙化、盐碱化和草原退化为主要特征的荒漠化制约着社会经济的可持续发展。
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     Optimum planting depth to poplar mechanical afforestation in subarid sand
     半干旱沙地杨树机械造林的最佳栽植深度
短句来源
     Study on Investigations and Heredity Characters of Germplasm Resource of Siberian Apricot in Subarid Area
     半干旱地区山杏种质资源调查及遗传特性的研究
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  subarid
The results showed that the soil types associated with the subarid region were less suitable for the pathogen than those associated with the damp, cool region.
      
The first was mountainous with a damp, cool climate very suitable for the development of wart disease; the second was low ground with a subarid, warmer climate not so suitable for the development of the disease.
      
The Chalarodons live in that region of Malagasy where solar heat is strongest and rainfall lowest, and where hot climatological conditions range from subarid to semiarid (the maximum temperature is one of the highest in the island).
      
In south Sicily smectite-rich assemblages were mainly eroded from soils developed under subarid conditions.
      
The presence and the thickness of such deposits suggests long lasting arid or subarid conditions.
      


The regions with a high incidence of the cancer of esophagus in Chine (in- cluding the southern regions of Tai Hang mountain where three provinces of He- nan, Hebei and Shanxi meet; the western mountain area of Henan Province and the northern regions of Sichuan Province) are mostly located at regions of the subarid and subhumid climate which have a relatively arid and warm environment (It means the moisture and heat). Taking the northern areas of the cancer of esophagus in Sichuan province for example,...

The regions with a high incidence of the cancer of esophagus in Chine (in- cluding the southern regions of Tai Hang mountain where three provinces of He- nan, Hebei and Shanxi meet; the western mountain area of Henan Province and the northern regions of Sichuan Province) are mostly located at regions of the subarid and subhumid climate which have a relatively arid and warm environment (It means the moisture and heat). Taking the northern areas of the cancer of esophagus in Sichuan province for example, it has been found that the farther away it is from the central region with a high incidence of the cancer of esoph- agus, the more rainfall and the less arid it is, and the death rate by the cancer of esophagus is decreased. In the drinking water and soil in these regions with a high incidence of the cancer of esophagus in North China, there is the nitric nitrate which is the raw and processed material of nitrosamine of the carcinogenic substance. This coincid- es with the meteorologic conditions of the subarid and subhumid regions. This th- eory has been proved by the fact that a large number of water of nitronitrogen (belong to a ground-water of inclusion) was found in the Huang He (Yellow River) River valley. Having made the analysis of the linear regression about death rate by the cancer of esophagus and the 4 meteorologic factors that include the precipitation (X_1), evaporation capacity (X_2), annual aridity (X_3), and the index of the moisture and heat (X_4) (It means annual precipitation/annual mean tempe- rature), the writer have obtained the four coefficient of correlation, i. e., r_1 is -0.7; r_2 is-0.5; r_3 is 0.6; and r_4 is -0.7. In this history, the vegetative cover had destroyed in these mountain area of the subarid and subhumid climate, therefore, the masses were lack of the food and the non-staple food, the local masses of these areas of high incidence rate ate pickled vegetables and the food of going mouldy. This foods has been identified that these foods cooperated with the action of fungi produce strong carcinogen.

经研究发现,我国食管癌高发区多处于半干旱或半湿润气候区,具有相时干暖的环境条件。以川西北为例,自此高发中心向外,降雨量增多,植被覆盖率增大,食管癌死亡率亦随之减少,与中亚细亚地区伊朗近里海地区的食管癌分布规律相同;研究得知,在华北半干旱或半湿润气候条件下的水土中易集聚强致癌物亚硝胺的前身物硝酸盐,这一结论与黄河中下游两岸地区发现的含硝态氮地下水是一致的,值得注意;通过相关分析发现食管癌死亡率与年降水量的相关系数为-0.7,与蒸发力为-0.5,与干燥度为0.6以及与水热指数为-0.7;高发病区居民的生活习惯中有适宜霉菌等微生物生存的生态条件,食用酸菜与霉变粮食即是在生态平衡遭受破坏后产生的必然结果,林县植被在历史上遭受的严重破坏即为例证。

The favorable conditions for developing gravity flows at Baimiao district in Dongpu Depression are as follows. (1)Arid-subarid palaeoclimate was helpful for mechanical weathering of source rocks and torrent forming; (2) The combination of source rocks and their occurrence were liable to cause mechanical breakdown of rocks and form mudflow, (3)There was a considerable height difference along the border of the basin, (4) The density of subaqueous mudflow was 2.4-2.7g/cm3; (5)There was a high rate of accumulation...

The favorable conditions for developing gravity flows at Baimiao district in Dongpu Depression are as follows. (1)Arid-subarid palaeoclimate was helpful for mechanical weathering of source rocks and torrent forming; (2) The combination of source rocks and their occurrence were liable to cause mechanical breakdown of rocks and form mudflow, (3)There was a considerable height difference along the border of the basin, (4) The density of subaqueous mudflow was 2.4-2.7g/cm3; (5)There was a high rate of accumulation in the district; (6)The depositional enviroment was located below the semi-deep lake. The sublacustrine fan in the area,compared with R.G.Walker's (1978) subaqueous fan sequencers of developed and incomplete fan-prograded sequence and independently occurred main channels. Tectonic activity controled both the depth and area of lake water and the vicissitude of sublacustrine fans with time andspace. The fan vicissitude showed one cycle, i.e.progressive--regressive--progressive with the tectonic movement from strong to weak in the member, The distribution of fans evidently controlled sandbody occurrence.

本文论述了东濮凹陷白庙地区沙三段重力流沉积成形的条件、层序特征、水下扇的时空变迁和砂体展布。认为本区沙三段时期满足重力流的形成条件,主要表现在六个方面:(1)干旱-半干旱的气候环境有利于母岩的机械风化和山洪的形成;(2)母岩的组合及其产状容易发生机械破碎,形成泥石流;(3)盆地边缘地形高差悬殊;(4)高密度的水下泥石流;(5)堆积速率大;(6)水深位于半深湖以下。重力流沉积(湖底扇)的垂向层序特点是:扇推进式层序发育,但都不完整,而主水道单独出现。构造运动控制着湖水的深浅和范围,也控制着水下扇的时空变迁;伴随着沙三段构造活动的弱→强→弱变化,水下扇的变迁也显示出一个周期,即推进→后退→推进。而扇的分布又明显地控制了砂体的展布,决定着湖底扇砂体呈扇形(平面)或楔形和透镜状(剖面)。

Systematic element analysis of 21 samples from the Jiuzhoutai loess section have been conducted recently. On the basis of variations in element contents, REE distribution patterns, characteristic values of the elements related to REE and also regional correlations, the material sources, formation processes and environments of loess are discussed in the present paper.Studies show that there took place weak element differentiation in the Jiuzhoutai loess section. The REE distribution patterns demonstrate that...

Systematic element analysis of 21 samples from the Jiuzhoutai loess section have been conducted recently. On the basis of variations in element contents, REE distribution patterns, characteristic values of the elements related to REE and also regional correlations, the material sources, formation processes and environments of loess are discussed in the present paper.Studies show that there took place weak element differentiation in the Jiuzhoutai loess section. The REE distribution patterns demonstrate that the loesses of different ages in the Jiuzhoutai loess section possess a common provenance,similar to that of the Luochuan loess. δU(aver-aging 0.65) and δCe(0.97) values and Eu/Sm ratios(0.19) revealed that the loess was deposited in an oxidation environment with weakly basic mediums under arid or subarid climate conditions. Furthermore, it was estimated that during the formation of S4 under such climate conditions, the annual average temperature was in the range 8-9.5℃, 2-3.5℃ higher than that at the present time, and the annual average precipitation varies from 350 to 450 mm, 100 mm higher than that today.

本文着重对兰州九州台黄土剖面上部的马兰黄土及全新世黄土3个样品及其下部的古土壤层(9层)共21个样品进行了系统的化学元素分析。结果表明,九州台黄土剖面中仅有微弱的元素分异现象;REE分布模式揭示,兰州九州台不同时代的黄土具有相同的物源区并与洛川黄土物源相似。在过去百万年时间尺度内,兰州九州台黄土形成于干旱、半干旱生物气候环境下的弱碱性介质条件和氧化环境中。

 
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