Results 1 to 10 of about 1,278 (109)
Soil carbon dynamic characteristics of coal gangue-filled reclaimed cropland and forest land under time series [PDF]
, 2023 In order to clarify the intrinsic mechanism between soil quality and soil carbon cycling after reclamation and to reveal the characteristic patterns of carbon dynamics of reclaimed soils under time series, the cultivated soils of 3, 6, 9 and 12 a ...
Junfeng QU +3 more
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Nitrogen removal from ammonium-contaminated groundwater by dropping nitrification and constructed wetland [PDF]
, 2020 University of Yamanashi (山梨大学)博士(工学)application ...
24094, MAHARJAN AMIT, KUMAR
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, 2021 Soil organic matter (SOM) is a heterogeneous organic mixture, the half is constructed by organic carbon. Organic matter incorporated to soil is degraded into SOM by soil microbe.
松﨑 守夫
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Sustainable Management of Tropical Plantation Based on the Analyses of Organic Carbon Flow and the Microbial Ecosystem Change in Soil [PDF]
, 2016 横浜国立大学博士（工学）doctoral ...
Shinta, Silvia, シンタ, シルビア
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Hydrodynamic field driving effect and mathematical model construction of water quality formation and evolution in coal mine [PDF]
, 2023 The change of regional hydrodynamic field caused by coal mining process affects the multi-field process of the formation and evolution of mine water quality, which may lead to the pollution of the water environment in the coal mining area.
Ge CHEN +13 more
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塔里木沙漠公路防护林土壤微生物生物量与土壤环境因子的关系 [PDF]
, 2009 为探讨极端干旱区风沙土土壤微生物与土壤环境因子的作用规律,采用相关分析法研究了塔里木沙漠公路防护林地土壤微生物生物量与理化因子和酶活性的关系.结果表明:土壤容重和粒径减小(R0.85)时,防护林地中土壤微生物数量和生物量有增大趋势,由容重与微生物量的相关性主导;土壤养分含量与土壤微生物数量和生物量呈正相关,主要由速效养分和放线菌、微生物生物量C、P的相关性所致;土壤酶活性与土壤微生物数量和生物量的相关性差异较大,R在0.51～0.91,主要取决于蔗糖酶、磷酸酶与放线菌、微生物量C的相关 ...
周宏伟 +7 more
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〔報文〕文化財公開施設等におけるATP拭き取り検査の活用について [PDF]
, 2010 Microorganism contamination measurement using ATP (Adenosine triphosphate) bioluminescence is reported much in the field of food hygiene. Especially ATP swab test using a portable luminometer and an exclusive swab with extract agent and luciferase is ...
佐野 千絵, 木川 りか, 間渕 創
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, 2005 曹扬环浜是一条环形封闭水道,水质低于地表水V类标准,水体处于严重超富营养化水平,全浜暴发蓝藻水华现象。在采用截污、造流、生态恢复等生态工程措施综合治理后,随着健康水生态系统的建立,河浜水质逐步变好(由劣V类改善为接近Ⅲ类标准),水体透明见底,沉水植物覆盖率达70%~90%,水体一直维持“清水草型稳态”。重点介绍了河道治理中采用的生态修复措施及其作用,并从截污、营养盐、水生生物等方面分析了各项工程措施对抑制藻类生长、水质改善的影响 ...
方涛,王春树,陈洪达,李敦海,刘永定
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Fundamental Study on Management Method of Sports Equipment [PDF]
, 2014 スポーツ選手を取り巻く環境条件には,天候,温度,湿度,サーフェイスの性状,用具など多岐にわたり,環境要因が適した状態に保たれる事は選手の健康を守る意味でも重要である.本研究ではスポーツ用具を用いる競技においてAdenosine TriPhosphate（以下,ATPと言う.）ふき取り検査法を用いた用具の清浄度を測定し,市販消臭剤と,コンタクトレンズ洗浄液に使用される「ポリヘキサメチレンビグアニド（以下,PHMBと言う.）」の清浄効果を比較検証し,競技者の衛生管理教育の基礎資料とする事を目的とした.方法は,
448 +19 more
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