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49861
The impact of straw and its post-pyrolysis incorporation on functional microbes and mineralization of organic carbon in yellow paddy soil.
Published 2025-01-01“…By integrating indoor mineralization culture with metagenomic approaches, we analyzed the response of organic carbon mineralization and carbon cycle genes in typical paddy soil from Guizhou Province, China, to different fertilization treatments. The result shows that the various fertilization treatments significantly increased the levels of soil organic carbon, dissolved organic carbon, microbial biomass carbon, and readily oxidizable organic carbon. …”
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49862
Spatial Dimension Analysis and Judgement of Abnormal Rainfalls
Published 2022-01-01“…The automatic reporting system of water levels and rainfalls is widely used in flood control,hydrology,and meteorology in China.The automatically measured rainfall data is one of the conditions triggering flood control early warning,and its quality and accuracy directly affect the credibility of the warning.In order to avoid false warnings,it is necessary to analyze and filter abnormal rainfalls in real time.This paper explored the correlation of rainfalls in spatial planes and compared the application effects of four statistical methods including the Pauta criterion,Chauvenet criterion,Grubbs test,and Dixon test in the spatial dimension,so as to infer whether the rainfall at a certain point is abnormal.Specifically,the Chauvenet criterion has the optimal comprehensive performance,and its accuracy,precision,recall rate,and F1 score are 0.86,0.78,0.83,and 0.80,respectively.In addition,the Grubbs test and Dixon test obtain similar results,but they both are slightly worse than the Chauvenet criterion since there may be many abnormal rainfalls in regional groups.The Pauta criterion has the worst performance,but its precision is the highest,which is 0.97.In addition,it is effective to optimize rainfalls that have been judged to be abnormal many times by algorithm flows,and the algorithm precision can be significantly improved.It has been proved that it is feasible to judge whether the rainfall at a certain point is abnormal from the spatial plane,which can effectively help water conservancy supervision departments to improve the quality of early warning and reduce labor costs.…”
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49863
Evaluation and optimization of carbon emission for federal edge intelligence network
Published 2024-03-01Get full text
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49864
An improved chromosome-level genome assembly and annotation of Hong Kong catfish (Clarias fuscus)
Published 2025-02-01“…Abstract Clarias fuscus, renowned for its resilience and nutritional value, is a significant aquaculture species in China. To facilitate further genetic research and breeding programs in this species, we generated an improved high-quality chromosome-level genome assembly of a female C. fuscus using MGI, PacBio, and Hi-C sequencing technologies. …”
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49865
Research on wireless access technologies for Internet of things
Published 2018-06-01Get full text
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49866
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49867
Cost-effectiveness analysis of eribulin versus dacarbazine in patients with advanced liposarcoma
Published 2025-01-01“…The ICER between the eribulin and dacarbazine schemes was $36,736.467, which is below the willingness-to-pay (WTP) threshold in China ($37,877.469). From the perspective of the Chinese healthcare system, eribulin is cost-effective compared to dacarbazine at the WTP threshold.…”
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49868
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49869
The Specific Features of the Contemporary Russian Foreign Energy Policy Shift in Modern Times
Published 2015-04-01“…A new promising contract with China on 21 May 2014 and memorandum with Turkey on 1 December 2014 are the milestones of the present Russian eastern policy. …”
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49870
The Effects of the COVID-19 on Our Daily Lives in Bangladesh
Published 2022-02-01“… The COVID-19 pandemic originated from Wuhan, China, spread around the world with horror and dramatic loss of human life. …”
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49871
Location Optimization for Community Smart Parcel Lockers Based on Bilevel Programming
Published 2023-01-01“…However, due to a lack of planning, myopia expansion, and an ambiguous profit model, smart parcel locker suppliers in China have been suffering huge economic losses, restricting their further development. …”
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49872
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49873
The impact of the reform of rural collective property rights system on villagers' public participation: An empirical study based on CRRS 2020 data.
Published 2025-01-01“…This study is based on 284 village committee questionnaires and 7451 villager questionnaires from 10 provinces in China, and uses multi-layer linear regression models to explore the impact of the reform of rural collective property rights system on villagers' public participation. …”
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49874
Applying BIM and pedestrian simulation for architectural flow line optimization in subway stations: an empirical analysis at Chongqing Ranjiaba Station
Published 2025-01-01“…In China’s new urbanization, urban rail transit has developed rapidly. …”
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49875
Designing an effective educational toy: incorporating design-thinking in the design classroom
Published 2025-01-01“…Abstract “Designing an effective educational toy” is a research project that emerged from a teaching and learning course designed to facilitate creative engagement both inside and outside the classroom at Wenzhou-Kean University in China. This research study examines the incorporation of design thinking concepts in the development of an educational toy by graphic design students. …”
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49876
Relationship between secondary metabolites and ecological suitability zones for Eucommia ulmoides.
Published 2025-01-01“…In this study, we collected 10-year-old Cortex Eucommiae (Eucommia ulmoides, EU) samples from 21 plots in eight provinces which are the primary production areas of EU in central China. We used the MaxEnt model to determine the ecological suitability zones for EU at the 21 sampling sites and classified them accordingly. …”
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49877
Research on Basic Wind Pressure Calculation Method for Lacking Long-Term Wind Speed Data
Published 2022-01-01“…In this study, the extreme value Type III distribution with variable substitution method and least square method as parameter estimation method is used to fit and analyze the daily, weekly, and monthly maximum wind speed data of 13 major cities in China, when using the Kolmogorov–Smirnov test method to test the results of the fit, it finds that in the wind speed samples of most cities, only the monthly maximum wind speed data obeys the extreme value Type III distribution. …”
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49878
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49879
Research and application of multi-beam antenna technology for home network based on SSPP technology
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49880
Investigating Contributors to Hit-and-Run Violations in Urban River-Crossing Road Tunnels: A Random Parameter Logit Model With Heterogeneity in Means
Published 2025-01-01“…This paper built three models (the logit model, the random parameter logit model, and the random parameter logit model with heterogeneity in means) based on a dataset consisting of crashes reported in thirteen river-crossing tunnels in Shanghai, China. Potential contributors from five aspects (offending drivers, vehicle conditions, tunnel characteristics, environmental conditions, and crash information) were explored. …”
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