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Results of the experimental reception of the UHF signal from geostationary satellite, visible at a low elevation angle from the receiving point, have been considered.
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(1) From high elevation to low elevation (natural hypoxia): Westem blot and conventional RT-PCR and real-time fluorescence quota PCR were adopted.
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When sea level rises, the low elevation coastal zone submerges and the erosion datum plane rises, the beach process progresses normally as always, resulting in no beach sediment coarsening.
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Marbled salamanders (Ambystoma opacum) choose low elevation nest sites when cover availability is controlled
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The modified method is oriented to be generally applicable, particularly in the case of satellite paths operating under low elevation angles in the Ku-band, where the accurate estimation of the effective slant path lengths is very critical.
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The results show a significant increase in LDH and lactate levels after exercise only at low altitude (-350 m).
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Low Altitude Cusp-Cleft Region Signatures of Strong Geomagnetic Disturbances
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During the last 2 000 a, the amplitude of temperature changes at Guliya (over 6 000 m a.s.l.) in the Q-T Plateau reached 7°C, in comparison with 2°C in eastern China at low altitude.
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The multistatic radar proposed in this paper is composed of a transmitter, placed in a high altitude site, at least four receivers distributed in a low altitude area and a central processing station.
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We manipulated the soil food web at two contrasting subarctic sites, a low altitude heath and a high altitude fell-field.
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The multistatic radar proposed in this paper is composed of a transmitter, placed in a high altitude site, at least four receivers distributed in a low altitude area and a central processing station.
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About 180 of them are from tropical forests, where 49% of them grow in the low altitude area.
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Besides the population density, the population growth rate is higher in the low altitude area.
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That is the main reason why grassland degradation is more serious in the low altitude area.
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The population density is higher in the low altitude area and the demands to grassland are much greater.
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| The Chinese gooseberry (Actindia chinensis Planch var. chinensis) have been met witha great success in introduction and culture from the wild to cultivated types in Wuhan. The key in the process from the high mountain areas to low plains and hills is to supply plentiful water during the growth and development of the fruits. To improve the conditions of aeration and drainge in soil is a very important link for the normal growth of its roots. There are ten promise strains (or individuals) have been selected according... The Chinese gooseberry (Actindia chinensis Planch var. chinensis) have been met witha great success in introduction and culture from the wild to cultivated types in Wuhan. The key in the process from the high mountain areas to low plains and hills is to supply plentiful water during the growth and development of the fruits. To improve the conditions of aeration and drainge in soil is a very important link for the normal growth of its roots. There are ten promise strains (or individuals) have been selected according to the standards (big fruits, good quality, high yield as well as fine exteriors). The single biggest fruit, e.g. Wuzhi 3, is 156g and the average is 90-110g in weights, Vc content reaches 250-300 mg/100g fresh fruits and the synthetic characteristics are very good. | 本文扼要叙述了中华猕猴桃原产地的生态条件,分析了引入栽培园中所遇到的突出问题,提出了中华猕猴桃从高海拔山区引入低海拔丘陵平原应解决的关键技术,初步总结了在武汉风土条件下的栽培经验,简述了优株选育途径和效果,介绍了武植3号等优良品系的主要经济性状。 | Phyllanthus emblica is an important economic wild tree in Yunnan. It has rich resources and tremendous distribution, It grows fast, fruits early, yields well, and its bark and wood arc useful. It is a barren and droughtenduring species which can preserves water and soil. Therefore it is an important species in arid and hot valleys, and a pioneer used in afforestation in the low altitude barren mountainous areas. It has a good economic benefit, canbe utilized comprehensively, and is worth expanding energetically... Phyllanthus emblica is an important economic wild tree in Yunnan. It has rich resources and tremendous distribution, It grows fast, fruits early, yields well, and its bark and wood arc useful. It is a barren and droughtenduring species which can preserves water and soil. Therefore it is an important species in arid and hot valleys, and a pioneer used in afforestation in the low altitude barren mountainous areas. It has a good economic benefit, canbe utilized comprehensively, and is worth expanding energetically and planting extensively. | 余甘子是我省重要的野生经济林木,数量多、分布广、生长快、结果早、产量高,树皮和木材也很有用途,它不仅耐干旱瘠薄、保持水土,是干热河谷的主要树种,而且也是低海拔荒山造林的先锋树种,经济效益高,可以综合利用,值得大力种植发展。 | Some recommended varieties were selected from wild Chinese gooseberries (Actinidia chinensis) , They included: 1. Xiaya-l and Xiaya-40 (early variety) ; 2 . Xiaya-15 (medium variety) ; 3 . Xiaya-20 (Late variety) ; and 4 . Xiaya-18 (male plant), pollinizer for early, medium and late varieties. These varieties were characterized by early fruiting; high and stable yielding with high fruit quality. The plants were adaptable, which exhibited production trait as well as stable inheritable character when grown in... Some recommended varieties were selected from wild Chinese gooseberries (Actinidia chinensis) , They included: 1. Xiaya-l and Xiaya-40 (early variety) ; 2 . Xiaya-15 (medium variety) ; 3 . Xiaya-20 (Late variety) ; and 4 . Xiaya-18 (male plant), pollinizer for early, medium and late varieties. These varieties were characterized by early fruiting; high and stable yielding with high fruit quality. The plants were adaptable, which exhibited production trait as well as stable inheritable character when grown in lower altitude of south subtropical region. Hence, these varieties were recommended as main commercial Chinese gooseberry varieties in Xiamen. | 从野生中华猕猴桃中选育出早熟品种厦亚1号与40号、中熟品种厦亚15号、晚熟品种厦亚20号,以及适宜早、中、晚熟雌株的优良授粉树厦亚18号雄株。它们具有结果早,高产稳产,果实品质优良,适应性强等特点。种植在低海拔的南亚热带地区,经济性状优良,遗传性状稳定。 | | | | << 更多相关文摘 |
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低海拔
low elevation
2008 CNKI－中国知网