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Research Progress and Prospects for the Evolution Process and treatment technology of Urban Black and Smelly Water

Meteorological and Environmental Research 2023年第1期14卷 68-69,75页

作者： Zhuolin LI Weijie XU Tianjin Tianbin Tongsheng Environmental technology Co. Ltd.Tianjin 300000China Tianjin Huanke Environmental Consultation Co. Ltd.Tianjin 300000China

Water is an important material resource for human survival,and with the increasing development of society,the amount of urban industrial wastewater and domestic sewage is gradually increasing.However,wastewater collection and treatment facilities lag behind,so that a large number of wastewater enters urban water,making urban water become gradually black and smelly.In order to provide a good living environment for human beings,a large number of scholars actively explore the treatment technology of black and smelly water.In this paper,the evolution process of black and smelly water was introduced firstly,and then the treatment technology of black and smelly water was summarized.Finally,the prospects for the development of the treatment technology were put forward.

关键词： Black and smelly water Evolution process treatment technology Research progress Prospects

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Planning issues on linac-based stereotactic radiotherapy

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World Journal of Clinical Cases 2022年第35期10卷 12822-12836页

作者： Yang-Yang Huang Jun Yang Yi-Bao Liu School of Nuclear Science and Engineering East China University of TechnologyNanchang 330013Jiangxi ProvinceChina Department of Radiotherapy The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014Henan ProvinceChina Department of Radiotherapy The Third Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina

This work aims to summarize and evaluate the current planning progress based on the linear accelerator in stereotactic radiotherapy(SRT).The specific techniques include 3-dimensional conformal radiotherapy,dynamic conformal arc therapy,intensity-modulated radiotherapy,and volumetric-modulated arc therapy(VMAT).They are all designed to deliver higher doses to the target volume while reducing damage to normal tissues;among them,VMAT shows better prospects for application.This paper reviews and summarizes several issues on the planning of SRT to provide a reference for clinical application.

关键词： Stereotactic radiotherapy treatment technology Energy Isocenters Coplanar/noncoplanar fields Calculation algorithm Multileaf collimator leaf width Flattening filter free mode Small field dosimetry Grid size

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英文摘要

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石油与天然气化工 2012年第3期41卷 357-362页

The article presents abstracts of papers on chemical engineering of oil and gas, including a traceable calibration procedure for hydrocarbon dew point chilled mirror instruments and research direction and challenges f... 详细信息

关键词： acidizing air oxidation amine value ammonia or ammonium salt analysis anti-swelling agent anti-swelling performance anti-swelling rate anticorrosion coating ASP produced water average particle size bimodal calibration casing--damaged well catalyst cement chimney clay minerals CO2 comparison research complex gas components core damage corrosion inhibitor CPS crude sewage desulphurization determination diversion ejector energy development energy efficiency benchmarking evaluation FCC foam drainage foam mass foam stabilizer foamed acid foaming agent function design Gas field gathering pipelines H2S high temperature high-sulfur hydrocarbon dew point hydrocarbon dew point chilled mirror instruments incinerator inspection integrated equipment kinetic hydrateinhibitors LaFeO3 liquefied petroleum gas dispenser liquid loading load low permeability and low pressure LPG mechanical strength methane methane hydrates metrological verification microbial flocculant multifunctional activated acid natural gas natural gas desulfurization natural gas hydrate network management platform new technology offshore oilfield oil yield oilfield application operation operation points parameter optimization performance evaluation perovskite oxide compound plugging plugging causes analysis polymer polymer-surfactant displacement pore distribution prevention measures removal rate of solid suspensions replacement rate response of performance retarder rotating-strip-port round-port scale inhibitor scaling screening silica gel slight expansion SO2 solid-liquid separation treatment solubilization sour gas field sulfur recovery system construction tail gas treatment hydro-treating heater technical summary thermodynamics titration method traceability transport pipeline treatment technology uncertainty of measurement viscosity waste drilling fluid water content water injection water producing water sensitivity damage water-sensitivity

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