干旱
- 与 干旱 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on investigating the processing enterprise actuality of potato starch in south-mountain area of Ningxia and analyzing the industrial water in potato starch in Xiji County, combined with the drought and rainless natural conditions in the local areas, the technology of multi-effect evaporation was bring forward.
通过对宁夏南部山区马铃薯淀粉加工企业现状的调查和对西吉马铃薯淀粉工业用水的分析,结合当地干旱少雨的自然条件,提出采用多效蒸发的技术。
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According to the principles of synthesis, dominance, regionality and relative consistency, the environment degradation evaluation system is divided into three classes: vulnerable region, vulnerable type and vulnerable cell. The research area belongs to the erosion degraded Southern Red Hilly Area region. Based on the conceptions and grading, the dissertation probes into the methodology of evaluation and case study, and establishes a potential degradation evaluation system which comprises altitude, gradient, soil erosion index K, annual rainfall, the proportion of rainfall in raining period, and the drought index of rainless period.
在脆弱性概念及其分类的基础上,本文进行了脆弱性评估的方法探讨和实证研究,在脆弱性分析的基础上,选择高度、坡度、土壤可蚀性K值、降雨量、暴雨量、多雨期降雨比重和少雨期干旱指数为潜在脆弱度指标;选取作为区域人地关系、社会经济发展与管理水平综合影响结果的人类活动指标森林覆盖率和坡耕地指数作为现实脆弱度评估的人为加速侵蚀的修正指标,计算生态环境的现实脆弱度,并将其指标体系与方法用于衡阳盆地生态环境脆弱度评估的实证研究。
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Water is not only a renewably natural resource but also a key factor in the environment.
目前西北干旱地区的生产力随着水资源开发的强化而不断提高,但在开发利用过程中,也将或已经出现了水环境对人类的不利影响,所以正确处理水资源开发与人九的关系是
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Phosphorus for corn under drought stress the impact of physiological characteristics - 05 graduates graduation session Abstract: In this experiment through the water culture method to cultivate maize seedlings will be planted corn seeds in the absence of P elements in the culture medium of Deficiency, the reprovision of a phosphorus-containing culture medium only for watering.
磷对于干旱逆境下玉米生理特征的影响——05届本科毕业生毕业论文摘要:本实验通过水培法来培育玉米幼苗,将玉米种子栽种在缺少磷元素的缺素培养液中,另配一份只含磷的培养液用于浇灌。
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This paper studied the feasibility of the application of mycorrhizas in revegtating coal waste piles and explored the method and effectiveness of applying mycorrhizas to revegetate coal waste piles in Dawukou coal processing plant of Taixi Coal Group,Ninxia.
介绍了菌根生物技术在煤矸石山绿化中应用的可行性,并以干旱地区的宁夏太西集团有限责任公司大武口洗煤厂煤矸石山绿化为例,探讨了菌根生物技术应用的方法和效果。
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The result of BLASTx showed that Maasr1 was homologous with Oryza sativa abscisic acid-inducible and stress-inducible protein (Asr1) mRNA (86%),Saccharum officinarum SoDip22 mRNA for drought inducible 22 kD protein (84%),Lilium longiflorum anth (A23) mRNA (86%), and Prunus armeniaca abscisic stress ripening protein homolog mRNA(82%).
用Maasr1基因作BLASTn比对发现它可能与水稻ABA和胁迫诱导蛋白(ASR1)的mRNA有86%的同源,与甘蔗干旱胁迫蛋白(SoDip22)的mRNA有84%的同源,与百合花A23基因的mRNA有86%的同源,与野黑杏脱落胁迫成熟蛋白的mRNA有82%的同源。
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Populus is Salicaceae Populus spp Asia, Central Asia is a desert area in the most widely distributed tree species, it constitutes "according to duga" Lin strength of the continental climate in arid region of verdant oasis.
胡杨是杨柳科胡杨亚属植物,是中亚荒漠区中分布最广的乔木种之一,它所构成的&杜加依&林强度大陆性气候的干旱地区形成葱郁的绿洲。
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Soil ecological degradation can be defined as the process and phenomenon of a series of deterioration of soil ecological environment such as structural destruction and functional recession of soil ecosystem, decrease of soil biodiversity and productivity, dcsertification, drought, hardness, acidification and salination of soils, deficit and unbalance of soil nutrients, and loss of soil and water, resulting from human activities and adverse natural environmental conditions.
土壤生态退化是指由于人类活动及恶劣的自然环境条件作用或二者共同作用下造成的土壤生态系统结构破坏、系统功能衰退、土壤生物多样性减少、土壤生产力下降以及土壤荒漠化、干旱化、板结化、酸化、盐碱化和养分亏缺与失衡等一系列土壤生态环境恶化的过程和现象。
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Therefore, as viewed from physiological characteristics, Salix gordejevii exhibits adaptive characteristics of drought too.
因此,在生理特性上,黄柳亦表现出了对沙地干旱环境的适应特性。
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In Kenya the Samburu people are losing their livestock to severe, extended droughts.
在肯尼亚Samburu族人正在因为严重而范围更广的干旱而失去他们的牲畜。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力