HARMFULNESS

作品数：9被引量：22H指数：2
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相关领域：环境科学与工程更多>>
相关作者：孙建娣更多>>
相关机构：黑龙江省水文水资源勘测局更多>>
相关期刊：《Journal of Agricultural Science and Technology(A)》《外文科技期刊数据库（文摘版）工程技术》《华北农学报》《Journal of Environmental Sciences》更多>>
相关基金：国家自然科学基金更多>>
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Hazard Analysis and Countermeasures of Chemical Equipment
《外文科技期刊数据库(文摘版)工程技术》2022年第8期122-125,共4页SHIChuanqi 
With the rapid development of Chinas petrochemical industry, various safety problems have followed, including the safety of chemical equipment. Because of the particularity of chemical equipment, there are often high-...
关键词：chemical equipment HARMFULNESS TEMPERATURE PRESSURE workmanship 
Integrated Weed Management Strategies Effects on Agronomic Performance of Rainfed and Irrigated Rice
《Journal of Agricultural Science and Technology(A)》2022年第1期22-34,共13页Razanamirindra Verohanitra Le Bourgeois Thomas Andrianaivo Alain Paul Rakotozandriny Jean de Neupomuscène Rafalimanana Halitiana 
Weeds cause significant production losses estimated at 25%in tropical countries and constitute main factor limiting rice production in Madagascar.This research,which was conducted at Anosibe-Ifanja(Antananarivo,Madaga...
关键词：WEED FLORA threshold of HARMFULNESS WEEDING rice growing COMMUNE of Anosibe-Ifanja-Madagascar 
The Effect of Golf Majors＇ UV and Skin ＆ Health Care Awareness on Harmfulness of Behavior on Self-esteem
《北京日化》2016年第3期90-102,共13页Seon Min Park Sang Woo Cho 
Harmfulness of Leaf Miners （Agromyzidae） on Winter Wheat Plantations in Poland
《Journal of Agricultural Science and Technology(A)》2012年第3期417-422,共6页Kamila Roik Felicyta Walczak 
The aim of the study was to determine the harmfulness of leaf miners and their species composition on winter wheat for the improvement of methods to control them. In order to determine the dates of the treatments, it ...
关键词：Leaf miners AGROMYZIDAE winter wheat MONITORING yellow traps. 
Analysis of the Harmfulness of Water-Inrush from Coal Seam Floor Based on Seepage Instability Theory被引量：19
《Journal of China University of Mining and Technology》2007年第4期453-458,共6页KONG Hai-ling MIAO Xie-xing WANG Lu-zhen ZHANG Yu CHEN Zhan-qing 
Projects 50225414 supported by the National Outstanding Youth Foundation;50574090, 50674087 and 50490270 by the National Natural Science Foundation of China
A theory of seepage instability was used to estimate the harmfulness of water-inrush from a coal seam floor in a particular coal mine of the Mining Group,Xuzhou. Based on the stratum column chart in this coal mine,the...
关键词：coal seam floor harm of water-inrush water-inrush-index seepage instability rock strata 
The Present Situation and Prospect of the Study on Locoweed in China被引量：2
《Agricultural Sciences in China》2003年第6期687-698,共12页LIJian-ke WANGJian-hua 
Locoweed is one of main poisonous plants in the world, and also is the most important toxic plant in grassland of China. The distribution range of the locoweed is extending continuously and it has formed or is coming ...
关键词：Locoweed (Oxytropis sp. and Astragalus L.). Harmfulness Prevention and control 
Formation and harmfulness of high fluoride-bearing ground-water被引量：1
《Journal of Environmental Sciences》2000年第1期117-121,共5页ZHANG Qi\|de, WANG Yu\|xiu, REN Jin\|song (Liaoning Institute of Environment Protection Sciences, Shenyang 110031, China) 
According to the distribution of high fluoride\|bearing groundwater in Liaoning Province, China, the cause of formation and hydrogeochemical characteristics as well as its relationship with human health and illness r...
关键词：high fluoride\|bearing groundwater HARMFULNESS preventing and controling strategy hydro\|geochemical characteristics  CLC number: X142    Document code: A 
Formation,Harmfulness and Countermeasures of Ice Dam in Heilongjiang River
《黑龙江大学工程学报》1998年第2期28-30,共3页阎琛荣 孙建娣 
根据大量实测资料论述黑龙江中上游冰坝的形成原因、危害，并提出有关防治对策。
关键词：冰坝 危害 对策 
Spatial distribution and sampling of larvae of Phthorimaea operculella(Zeller) and its harmfulness
《华北农学报》1994年第S2期61-66,共6页马继盛 杨效文 徐广 赵世民 董金川 李三立 
Studies in tobacco fields were conducted in 1993. The results showed that the distribution pattern of the larva was aggregative,and the aggregation did not change with the densities of population of the larva. The cha...
关键词：Phthorimaea operculella ( ZELLER ) spatial distribution TWO-STAGE sampling ELEVATION leaf area loss 
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