旱鐵 的英文怎麼說

中文拼音 [hàntiě]
旱鐵 英文
pointed soldering copper
  • 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  1. Apart from geochemists from western countries, which paid a particular attention on amorphous iron - manganese oxides extracted by enzyme or 0. 1 ~ 0. 25m nh2oh ? hc1, our results show that the extraction of metals adsorbed by clay and bound to the carbonate in soil is most useful to identify the concealed mineralizations in the semiarid and loess covered terrains, northern china

    但與國外重點關注非晶質鐵錳氧化物如酶、鹽酸羥氨提取結果不同，在我國北方半乾旱黃土覆蓋景觀區，粘土吸附和碳酸鹽結合態金屬元素的提取為最有效的提取步驟。而游離態、有機結合態的提取效果則受景觀控制變化較大。
  2. In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil

    為了進一步提高四倍體刺槐的耐鹽性和抗旱性，進一步擴大其適宜種植的生態范圍，充分發揮其固氮、改良土壤的特性，在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢，本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。
  3. Concept model of regional ecological risk is built for the characteristics of ecosystems alongside qinghai - xizang highway and railway based on mlp multilayer percetron model. seven indices such as snow hazard, drought hazard and landslide are selected to evaluate the integrated ecological risk of the ecosystems alongside qinghai - xizang highway and railway

    根據青藏公路鐵路沿線50 km緩沖區生態系統特徵，選取雪災旱災崩塌滑坡等7項指標，依託人工神經網路mlp multilayer percetron模型，構建青藏公路鐵路沿線生態風險評價模型。
  4. The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations

    土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一，它對土壤團聚體的性質有很大的影響，而團聚體的數量和性狀有跟土壤肥力密切相關，本文以不同母巖發育的旱地紫色土作為研究材料，通過野外采樣和室內分析，研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平，探討了在不同土地利用方式下它們之間的關系，以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素，主要結果如下：不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。
  5. I. roles of dehydrins in plant tolerance to freezing and drought. accumulations of heat - stable proteins and dehydrins induced by dehydration, low temperature, osmotic stress, high salt or aba treatment were investigated in protocorm - like - bodies ( plbs ) ofdendrobium candidum. moreover, we described the relationship between these accumulations and the development of tolerance to stresses

    一、脫水蛋白對植物抗凍性和抗旱性作用研究以鐵皮石斛類原球莖（ plbs ）為材料，研究脫水、低溫、高滲、高鹽和外源aba處理與誘導熱穩定蛋白和脫水蛋白的關系，以及脅迫誘導蛋白的積累與各種抗逆性形成的相關性。
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