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Epidemiological Pattern of Lassa Fever Outbreak in Ondo State, Southwest Nigeria, 2014 to 2019 认领
1
作者 Elvis Efe Isere Temioluwa Fuwape +5 位作者 Gboyega Adekunle Famokun Stephen Fagbemi Akinola Ayoola Fatiregun Nosa Eniye Omorogbe Adewale Moses Adejugbagbe Temitope Olajumoke Omoju 《流行病学期刊(英文)》 2021年第1期92-100,共9页
Introduction: Annual outbreak of Lassa Fever (LF) has been reported in Ondo State over the years. We analyzed LF surveillance data from January 2014 to December 2019 to describe the epidemiological pattern of the outb... Introduction: Annual outbreak of Lassa Fever (LF) has been reported in Ondo State over the years. We analyzed LF surveillance data from January 2014 to December 2019 to describe the epidemiological pattern of the outbreak. Method: Lassa fever dataset from January 2014 to December 2019 was obtained from the State Ministry of Health. Variables analyzed include date of onset of symptom, age, gender, place (Local Government Area, LGA) and outcome of laboratory test. Data were summarized using frequencies, proportions, chart and maps. Results: From January 2014 and December 2019, 2141 suspected LF cases were reported. Of these, 551 cases were laboratory confirmed with 134 deaths recorded. The LF cases (suspected vs. confirmed) reported increased in 2016 (73 vs. 19), 2017 (207 vs. 76), 2018 (452 vs. 159) and 2019 (856 vs. 285) respectively. Most of the confirmed cases (89.5%) were ≥15 years while more than half (53.7%) were males. Prior to 2016, only two LGAs (Owo and Ose) recorded continued transmission of the disease. However, between 2016 and 2019, the disease had spread to 8 neighboring LGAs (P < 0.001) with the CFR declining from 67% in 2015 to 20% in 2019. Conclusion: We found an unusual increase in the suspected LF cases reported between January 2016 and December 2019 with a corresponding increase in the confirmed cases and high annual case fatality rates. Hence, we recommend intensified surveillance activities to enhance timely reporting of cases and laboratory confirmation to ensure early commencement of treatment to reduce the case fatality rate. 展开更多
关键词 Lassa Fever OUTBREAK Epidemiological Pattern Ondo State
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Bioinspired Closed-loop CPG-based Control of a Robot Fish for Obstacle Avoidance and Direction Tracking 认领
2
作者 Jiayong Chen Bo Yin +3 位作者 Chengcai Wang Fengran Xie Ruxu Du Yong Zhong 《仿生工程学报:英文版》 SCIE EI 2021年第1期171-183,共13页
This paper presents a study on bioinspired closed-loop Central Pattern Generator(CPG)based control of a robot fish for obstacle avoidance and direction tracking.The biomimetic robot fish is made of a rigid head with a... This paper presents a study on bioinspired closed-loop Central Pattern Generator(CPG)based control of a robot fish for obstacle avoidance and direction tracking.The biomimetic robot fish is made of a rigid head with a pair of pectoral fins,a wire-driven active body covered with soft skin,and a compliant tail.The CPG model consists of four input parameters:the flapping amplitude,the flapping angular velocity,the flapping offset,and the time ratio between the beat phase and the restore phase in flapping.The robot fish is equipped with three infrared sensors mounted on the left,front and right of the robot fish,as well as an inertial measurement unit,from which the surrounding obstacles and moving direction can be sensed.Based on these sensor signals,the closed-loop CPG-based control can drive the robot fish to avoid obstacles and to track designated directions.Four sets of experiments are presented,including avoiding a static obstacle,avoiding a moving obstacle,tracking a designated direction and tracking a designated direction with an obstacle in the path.The experiment results indicated that the presented control strategy worked well and the robot fish can accomplish the obstacle avoidance and direction tracking effectively. 展开更多
关键词 biomimetic robot fish closed-loop control Central Pattern Generator(CPG) obstacle avoidance direction tracking Copyright c Jilin University 2021.
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A data analytics-based tool for the detection and diagnosis of anomalous daily energy patterns in buildings 认领
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作者 Marco Savino Piscitelli Silvio Brandi +1 位作者 Alfonso Capozzoli Fu Xiao 《建筑模拟(英文)》 SCIE EI 2021年第1期131-147,共17页
In this paper,a tool for the detection and diagnosis of anomalous electrical daily energy patterns relative to a transformer substation of a university campus was developed and tested.Through an innovative pattern rec... In this paper,a tool for the detection and diagnosis of anomalous electrical daily energy patterns relative to a transformer substation of a university campus was developed and tested.Through an innovative pattern recognition analysis consisting in a multi-step clustering process,six clusters of anomalous daily load profiles were identified and isolated in two-year historical data of total electrical energy consumption.The infrequent electrical load profiles were found to be strongly affected,in terms of both shape and magnitude,by the energy consumption behaviour related to the heating/cooling mechanical room.Then,a fault-free predictive model,which uses artificial neural network(ANN)in combination with a Regression Tree,was developed to detect anomalous trends of the electrical energy consumption.The model was able to detect the 93.7%of the anomalous profiles and only the 5%of fault-free days were wrongly predicted as anomalous.Eventually,a diagnosis phase was conceived and validated with a testing data set.A number of daily abnormal load profiles were detected and compared with the centroids of the anomalous clusters identified in the pattern-recognition stage.The work led to the development of a flexible intelligent tool useful for operating a continuous commissioning of the campus facilities. 展开更多
关键词 anomaly detection data analytics energy management pattern recognition prediction models
Distribution pattern and geochemical analysis of rare earth elements in deep-ocean sediments 认领
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作者 Jingxi LI Chengjun SUN +2 位作者 Fenghua JIANG Fenglei GAO Yifan ZHENG 《海洋湖沼学报(英文)》 SCIE CAS 2021年第1期79-88,共10页
The content and distribution pattern of rare earth elements(REEs)in surface sediments from the Eastern and Western Pacifi c Ocean,the Northern and Southern Atlantic Ocean,and the Southwestern Indian Ocean were explore... The content and distribution pattern of rare earth elements(REEs)in surface sediments from the Eastern and Western Pacifi c Ocean,the Northern and Southern Atlantic Ocean,and the Southwestern Indian Ocean were explored and the resources and geochemical characteristics of REEs in deep-ocean sediments from diff erent oceans were studied.The total REE abundances(ΣREE)in the diff erent oceans ranged as follows:Eastern Pacifi c,56.88–500.02μg/g;Western Pacifi c,290.68–439.94μg/g;Northern Atlantic,55.33–154.90μg/g;Southern Atlantic,40.83–69.30μg/g;and Southwestern Indian Ocean,20.24–64.76μg/g.Their corresponding LREE(La-Eu)/HREE(Gd-Lu)average values were 5.18,5.86,9.01,5.21,and 4.59,which indicated that the light REEs were all evidently enriched.δEu andδCe showed slight Eu-negative anomalies and signifi cant Ce-positive anomalies in all sediments.Although the contents of REEs in the sediments varied among the diff erent oceans,the distribution patterns of REEs were similar,and the correlation coeffi cient was greater than 0.9290.In the Eastern Pacifi c sediments,ΣREE showed a signifi cantly positive correlation with Co,Cu,Zn,Mn,Mo and a weak correlation with Fe.In the Western Pacifi c and Southern Atlantic sediments,ΣREE presented no obvious correlation and a weakly negative correlation with Co,Cu,Zn,Mn,Mo and Fe,respectively.ΣREE in the Southwestern Indian Ocean sediments positively correlated with Cu,Zn,Mn,Mo,Fe,and had a weakly negative correlation with Co. 展开更多
关键词 rare earth elements(REE)geochemistry distribution pattern REE fractionation marine sediment
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广西壮锦纹样在当代文创产品设计中的创新应用 认领
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作者 殷海楠 王华琳 +1 位作者 郭馨元 周祎 《纺织报告》 2021年第1期45-46,共2页
壮锦是中国传统民族文化的重要组成部分,壮锦纹样元素经过数千年的文化沉淀与交融,形成了鲜明的艺术特征,其中,花卉纹、几何纹、凤鸟纹等都是现代艺术设计的重要源泉。壮锦纹样蕴含壮族人民对自然的认知、对祖先的崇拜以及对美的感悟,... 壮锦是中国传统民族文化的重要组成部分,壮锦纹样元素经过数千年的文化沉淀与交融,形成了鲜明的艺术特征,其中,花卉纹、几何纹、凤鸟纹等都是现代艺术设计的重要源泉。壮锦纹样蕴含壮族人民对自然的认知、对祖先的崇拜以及对美的感悟,壮锦也是我国第一批国家级非物质文化遗产。因此,在“一带一路”倡议下,应顺应时代发展潮流,发扬传承中国传统民族文化,将研究成果应用到文创产品设计中,赋予文创产品文化内涵,使其在创新的基础上彰显民族个性。 展开更多
关键词 壮锦 纹样 文创产品
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贵州苗族傩面具视觉符号在现代服装品牌形象中的应用 认领
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作者 李兰 《纺织报告》 2021年第1期52-53,共2页
对贵州苗族傩面具的文化以及习俗进行分析,探讨傩面具的造型图案、色彩等视觉符号的表现形式,分析傩面具的视觉元素图案和色彩在符合时代要求下,在现代服装品牌形象中的运用,提出服装品牌中傩面具视觉符号的运用价值,在传承傩文化的同时... 对贵州苗族傩面具的文化以及习俗进行分析,探讨傩面具的造型图案、色彩等视觉符号的表现形式,分析傩面具的视觉元素图案和色彩在符合时代要求下,在现代服装品牌形象中的运用,提出服装品牌中傩面具视觉符号的运用价值,在传承傩文化的同时,也为现代服装品牌形象设计提供了设计素材。 展开更多
关键词 傩文化 视觉符号 图案 色彩 现代服装品牌形象设计
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罗马对希腊文化的模仿、调适与创新--以货币为视角 认领
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作者 郭云艳 《历史教学:下半月》 北大核心 2021年第1期45-53,共9页
罗马人从公元前4世纪末开始正式发行货币,其货币的形式、种类源于对希腊的模仿,而在模仿的过程中,又根据自身需求进行调适,做出重要创新。币制上,罗马在公元前1世纪之前坚持以铜币为中心,银币与金币均与铜币挂钩;形制上,罗马货币模仿希... 罗马人从公元前4世纪末开始正式发行货币,其货币的形式、种类源于对希腊的模仿,而在模仿的过程中,又根据自身需求进行调适,做出重要创新。币制上,罗马在公元前1世纪之前坚持以铜币为中心,银币与金币均与铜币挂钩;形制上,罗马货币模仿希腊货币的图案,主题选用罗马人钟爱的神祗或本地神祗;在共和国末期,吸收了希腊化货币上的统治者形象,推动了罗马社会王权概念的重建;币值上,共和国时期在货币上标记币值单位,构成货币史上的重要创新。 展开更多
关键词 货币 罗马 希腊 币制 形制
Impact of Urban Public Service Facilities on Distribution Pattern of Housing Price 认领
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作者 WANG Yuqi 《景观研究:英文版》 2021年第1期81-83,88,共4页
The impact of different public service facilities is obtained by investigating the infl uence of public service facilities on distribution pattern of housing price in 25 cities.According to the survey results,public e... The impact of different public service facilities is obtained by investigating the infl uence of public service facilities on distribution pattern of housing price in 25 cities.According to the survey results,public education service facilities have the highest weight and the greatest impact,which also refl ects the root of“school district housing fever”from the side.Public sports service facilities have the lowest score when compared with other options.This is not because public sports service facilities are not important,but is determined by actual situation of social development and actual living standard of residents in China.From the improvement and enhancement of urban public service facilities,the construction of public service facilities should be convenient for people’s education,health,culture and entertainment. 展开更多
关键词 Urban public service facilities Housing price Distribution pattern IMPACT QUESTIONNAIRE
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Expression and function of WNT4 involved in larvae development and limb regeneration in Portunus trituberculatus 认领
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作者 Zhiming REN Yuanyuan FU +2 位作者 Lei LIU Xiao LIU Chunlin WANG 《海洋湖沼学报(英文)》 SCIE CAS 2021年第1期306-316,共11页
The wingless-related integration site(WNT)proteins are a family of secreted glycoproteins that are evolutionarily conserved and are believed to be involved in evolution in vertebrates and invertebrates.WNT signaling p... The wingless-related integration site(WNT)proteins are a family of secreted glycoproteins that are evolutionarily conserved and are believed to be involved in evolution in vertebrates and invertebrates.WNT signaling pathways may be associated with limb regeneration and development in crustaceans.However,the detail mechanisms remain unclear.Therefore,the distribution of WNT4 in the hepatopancreas,muscle,hemocyte,ganglion,heart,eyestalk,gill tissue,and diff erent larvae development stages of the swimming crab(Portunus trituberculatus)were characterized using immunofl uorescence,real-time PCR,and Western blotting.Signifi cant PtWNT4 expression was detected in heart and eyestalk.In addition,PtWNT4 was expressed in all larval stages of P.trituberculatus with a dynamic expression pattern,especially in the eyestalk and other organs in the carapace area.The injection of WNT4 dsRNA into regenerative limbs signifi cantly decreased PtWNT4 mRNA levels in the eyestalk,heart,and muscle,resulting in 1.9-fold,2.2-fold,and 2.7-fold decreases compared with those detected in the group injected with crab saline(P<0.05),respectively,indicating successful gene silencing.Overall,expression analysis on the WNT4 using RNAi provides an insight to its functional mechanism during limb regeneration in P.trituberculatus.The results not only demonstrated the requirement for WNT4 in limb regeneration of Crustaceans,but also suggested its ability to promote larval development at specifi c stages. 展开更多
关键词 wingless-type MMTV integration site family member-4(WNT4) limb regeneration larvae development Portunus trituberculatus expression pattern RNAi
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Microstructure and mechanical properties of AZ91D magnesium alloy by expendable pattern shell casting with different mechanical vibration amplitudes and pouring temperatures 认领
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作者 Suo Fan He-bao Wu Jin-xiu Fang 《中国铸造:英文版》 SCIE CAS 2021年第1期1-8,共8页
To refine the microstructure and improve the mechanical properties of AZ91 D alloy by expendable pattern shell casting(EPSC),the mechanical vibration method was applied in the solidification process of the alloy.The e... To refine the microstructure and improve the mechanical properties of AZ91 D alloy by expendable pattern shell casting(EPSC),the mechanical vibration method was applied in the solidification process of the alloy.The effects of amplitude and pouring temperature on microstructure and mechanical properties of AZ91 D magnesium alloy were studied.The results indicated that the mechanical vibration remarkably improved the sizes,morphologies and distributions of the primaryα-Mg phase andβ-Mg17 Al12 phase,and the densification and tensile properties of the AZ91 D alloy.With an increase in amplitude,the microstructures were gradually refined,resulting in a continuous increase in mechanical properties of the AZ91 D alloy.While,with the increase of pouring temperature,the microstructures were continuously coarsened,leading to an obvious decrease of the mechanical properties.The tensile strength and yield strength of the AZ91 D alloy with a vibration amplitude of 1.0 mm and a pouring temperature of 730℃were 60%and 38%higher than those of the alloy without vibration,respectively. 展开更多
关键词 AZ91D magnesium alloy expendable pattern shell casting mechanical vibration MICROSTRUCTURE mechanical properties
丹寨蜡染图案与革制品设计 认领
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作者 李文君 周怡 邓子叙 《皮革科学与工程》 CAS 北大核心 2021年第1期79-84,共6页
丹寨苗族蜡染素有"东方第一染"之称,具有极高的艺术魅力和应用价值。随着人们对传统文化继承的重视,越来越多的民间技艺与当代设计相结合,广受人民喜爱。蜡染图案在皮革制品上的应用,赋予了当代皮革制品设计新的表达方式,丰... 丹寨苗族蜡染素有"东方第一染"之称,具有极高的艺术魅力和应用价值。随着人们对传统文化继承的重视,越来越多的民间技艺与当代设计相结合,广受人民喜爱。蜡染图案在皮革制品上的应用,赋予了当代皮革制品设计新的表达方式,丰富了皮革制品的艺术内涵和文化意蕴。同时,也是响应国家号召,将传统技艺与时代接轨,更好的保护和传承非物质文化遗产,提升国家民族文化软实力的方式。 展开更多
关键词 丹寨苗族 蜡染 皮革 图案 设计
毛衫提花组织结构在服饰图案中的应用研究 认领
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作者 刘凡嘉 刘湖滨 方建松 《服装设计师》 2021年第2期176-179,共4页
随着现代社会物质生活水平的不断提高,人们对服饰的选择既关注穿着的功能性又重视时尚个性和审美情趣。消费者需求的悄然转变促使毛衫设计从防.寒保暖和突出品质向着外穿方式与时尚化、个性化趋势发展。针对毛衫的图案设计,不仅需要考... 随着现代社会物质生活水平的不断提高,人们对服饰的选择既关注穿着的功能性又重视时尚个性和审美情趣。消费者需求的悄然转变促使毛衫设计从防.寒保暖和突出品质向着外穿方式与时尚化、个性化趋势发展。针对毛衫的图案设计,不仅需要考虑提花组织结构自身排列特点;也应延续经典并结合现代审美,从图案选择、纹样构成形式与组织类型及配色特征等方面综合把握。 展开更多
关键词 毛衫 提花组织结构 图案 应用
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Experimental Investigation of Heat Transfer in Microchannel with Inlet Cavitation Structure 认领
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作者 YUAN Junfei WANG Lin +1 位作者 WANG Zhanwei TAN Yingying 《热科学学报:英文版》 SCIE EI CAS 2021年第1期294-301,共8页
Heat transfer of R134 a through the microchannel with an inlet reentrant cavitation structure was investigated for high flux thermal management of electronic devices.The cavitating flow patterns,pressure,and heat tran... Heat transfer of R134 a through the microchannel with an inlet reentrant cavitation structure was investigated for high flux thermal management of electronic devices.The cavitating flow patterns,pressure,and heat transfer characteristics were studied in the range of effective heat fluxes from 0 to 138.4 W/cm2 with mass flow velocities from 2.12 to 5.23 m/s.A stable and ideal starting point of two phase flow and heat transfer was commendably provided by the inlet cavitation orifice.There existed an axis deviation liquid jet after the micro-orifice.The refrigeration vapor was generated from the cavitation structure but liquidized at the downstream of the channel.The wall temperature along flow orientation presented an opposite trend under the test states with or without heat input.The cavitation structure can significantly suppress the flow oscillation in microchannels and the outlet pressure fluctuation reduced about 72%compared with the fluctuation at the entrance.The heat transfer coefficient had been distinctly impacted by heat flux at lower heat input and then maintained the value nearly constant of 11.0 W/(cm^(2)·K)with the critical heat flux of 88.4 W/cm2. 展开更多
关键词 heat transfer cavitation structure flow pattern pressure oscillation MICROCHANNEL
Cone beam computed tomographic evaluation of pharyngeal airway in North Indian children with different skeletal patterns 认领
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作者 Anuraj Singh Kochhar Maninder Singh Sidhu +4 位作者 Ritasha Bhasin Gulsheen Kaur Kochhar Himanshu Dadlani Jagpreet Sandhu Bobby Virk 《世界放射学杂志:英文版(电子版)》 CAS 2021年第2期40-52,共13页
BACKGROUND In growing patients with skeletal discrepancies,early assessment of functional factors can be vital for the restoration of normal craniofacial growth.AIM To compare airway volumes in patients with mandibula... BACKGROUND In growing patients with skeletal discrepancies,early assessment of functional factors can be vital for the restoration of normal craniofacial growth.AIM To compare airway volumes in patients with mandibular retrognathism with the normal anteroposterior skeletal relationship,thereby assessing the association between cephalometric variables and airway morphology.METHODS Cone-beam computed tomography volume scans,and lateral cephalograms,3-dimensional airway volume and cross-sectional areas of 120 healthy children(54 boys and 66 girls mean age 15.19±1.28)which were done for orthodontic assessment were evaluated.The subjects were divided into 2 groups based on the angle formed between point A,Nasion and point B(ANB)values and cephalometric variables(such as anterior and posterior facial height,gonial angle etc.)airway volumes,and cross-sectional measurements were compared using independent t tests.Pearson’s correlation coefficient test was used to detect any relationship of different parts of the airway and between airway volume and 2-dimensional cephalometric variables.RESULTS Means and standard deviations for cephalometric,cross-sectional,and volumetric variables were compared.ANB,mandibular body length and facial convexity were statistically highly significant(P<0.01)whereas condylion to point A,nasal airway and total airway volume(P<0.05)were statistically significant.The nasal airway volume and the superior pharyngeal airway volume had a positive correlation(P<0.01),nasal airway was correlated to middle(P<0.05)and total airway superior had a relation with middle(P<0.05),inferior and total airway(P<0.05),middle was related to all other airways;inferior was also related to all the airways except nasal.Lateral cephalometric values were positively correlated with the airway volume with Frankfurt Mandibular Plane Angle and facial convexity showed significant correlations with total airway volume(P<0.05).Additionally,ANB angle was significantly correlated with total airway volume and superior airway(P<0 展开更多
关键词 Pharyngeal airway Cone beam computed tomography Skeletal pattern MALOCCLUSION Retrognathic Airway volume
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Recent Progress in Boosted PDT Induced Immunogenic Cell Death for Tumor Immunotherapy 认领
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作者 LI Jun OU Hanlin DING Dan 《高等学校化学研究:英文版》 SCIE CAS 2021年第1期83-89,共7页
With the rapid development of materials science,photosensitive materials have been widely used in the field of immunogenic cell death(ICD),which was on account of the reactive oxygen species(ROS)generation by photosen... With the rapid development of materials science,photosensitive materials have been widely used in the field of immunogenic cell death(ICD),which was on account of the reactive oxygen species(ROS)generation by photosensitizer under light irradiation inducing cellular oxidative stress during the dying of cells.Considerable researches related to photodynamic therapy(PDT)induced ICD were conducted and exhibited brilliant performance in cancer immunotherapy.Herein,a variety of different strategies for PDT induced ICD have been summarized and discussed to provide researchers more inspiration for cancer immunotherapy. 展开更多
关键词 Photodynamic therapy Immunogenic cell death Damage-associated molecular pattern
挠力河流域水土资源平衡及耕地合理利用规模特征 认领
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作者 周浩 夏卫生 雷国平 《农业工程学报》 EI CAS 北大核心 2021年第2期278-287,F0003,共11页
水土资源平衡是耕地合理开发与利用的前提,为定量评估粮食主产区水土资源平衡关系,促进耕地可持续利用,该研究提出“以水定地”的耕地配置模式,并以三江平原腹地的挠力河流域为研究区,在多源水土信息数据支持下,依据农田土壤水分平衡原... 水土资源平衡是耕地合理开发与利用的前提,为定量评估粮食主产区水土资源平衡关系,促进耕地可持续利用,该研究提出“以水定地”的耕地配置模式,并以三江平原腹地的挠力河流域为研究区,在多源水土信息数据支持下,依据农田土壤水分平衡原理构建水土资源平衡模型,以评估水土资源平衡态势,进而揭示该流域耕地合理利用规模特征。结果表明:1)2000年以来,挠力河流域水田持续扩张,旱地轻度萎缩,至2018年其水田化系数已达37.33%,垦殖率为62.61%。旱地和水田的水分胁迫蒸散能力处于同一水平,但水田的水分亏缺量显著高于旱地;2)当前,挠力河流域的灌溉供水量范围为21.23~211.91 mm,富锦市、友谊县和集贤县处于水资源超载状态,且水田均呈“土多水少”状态,饶河县、宝清县、七台河市和双鸭山市辖区则“土少水多”;3)依据“以水定地”耕地配置模式,该流域水田面积可增加11.02万hm2,对应的水田化系数控制在44.76%以下。富锦市、友谊县和集贤县应适度控制或减小水田利用规模,宝清县应成为未来“旱改水”的重点备选区。研究结果对挠力河流域乃至三江平原的耕地有序开发及保障农业可持续发展具有重要现实意义。 展开更多
关键词 土地利用 耕地 水田 格局 水土资源平衡 挠力河流域
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论图案与构成在服饰设计专业基础教学中的融合 认领
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作者 夏侠 《新疆艺术学院学报》 2021年第1期112-116,共5页
图案与三大构成均为服饰设计专业基础训练内容,也存在很多共通之处。随着时代的发展,曾经的一些教学方法已不再完全适用,在课程模式方面应进行有针对性的整合与调整。围绕服饰图案与构成要素之间的密切关联设置教学单元,结合具体化案例... 图案与三大构成均为服饰设计专业基础训练内容,也存在很多共通之处。随着时代的发展,曾经的一些教学方法已不再完全适用,在课程模式方面应进行有针对性的整合与调整。围绕服饰图案与构成要素之间的密切关联设置教学单元,结合具体化案例和现代化工具提升效率,有助于基础课程与专业课程形成良好的匹配。 展开更多
关键词 图案 构成 基础 融合
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台湾泰雅族织物工艺及其纹样研究 认领
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作者 杨硕 张超 朱晓君 《设计》 2021年第3期34-37,共4页
台湾泰雅族织物是泰雅族先民原始审美意识和心理寄托的集中体现,凝聚着族群的历史记忆与民族精神。通过对泰雅族织物技艺的工艺流程、纺织技法、纹样图案的实地调研、文献检索以及影像分析,探索泰雅族丰富的织物纹样、独特的纹样构成法... 台湾泰雅族织物是泰雅族先民原始审美意识和心理寄托的集中体现,凝聚着族群的历史记忆与民族精神。通过对泰雅族织物技艺的工艺流程、纺织技法、纹样图案的实地调研、文献检索以及影像分析,探索泰雅族丰富的织物纹样、独特的纹样构成法则及其承载的具有鲜明的地域特色民族文化内涵,进而提出泰雅族织物文化的传承策略。对泰雅族织物文化艺术在现代社会中的开发与创新应用以及泰雅族传统文化艺术的传播具有十分重要的现实意义。 展开更多
关键词 泰雅族 织物 纹样 法则 传承 技法
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中国古建筑屋檐之美——瓦当 认领
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作者 王劭琨 侯艳芳 郭靖 《砖瓦》 2021年第3期41-43,共3页
瓦当作为建筑屋檐上的一个构件,不仅起到保护木质檐头,防止风雨侵蚀的作用,更是实用性和美学相结合的精致艺术品。瓦当纹饰随着时代的变迁在不断发展演变,记录着时代的信息,是中国特有的文化艺术遗产。
关键词 古建筑 瓦当 纹饰 艺术文化
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微电铸图形表面平面度提升技术 认领
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作者 张剑 卢茜 +5 位作者 向伟玮 徐诺心 赵明 叶惠婕 罗建强 何琼兰 《电子工艺技术》 2021年第1期9-11,15,共4页
微电铸技术是制备小尺寸、高精度金属微结构的常用技术。然而,在进行铜微电铸时,产品表面电流密度的分布呈现边缘大、中间小的趋势,从而导致了电铸层厚度分布不均匀的现象。此外,对于同一电铸图形,其边缘和中心的高度分布也不同。采用... 微电铸技术是制备小尺寸、高精度金属微结构的常用技术。然而,在进行铜微电铸时,产品表面电流密度的分布呈现边缘大、中间小的趋势,从而导致了电铸层厚度分布不均匀的现象。此外,对于同一电铸图形,其边缘和中心的高度分布也不同。采用高精度机械研磨技术结合化学机械抛光技术,可提升微电铸图形的表面平面度。研究表明,152.4 mm幅面的微电铸图形的总厚度变化小于5μm。 展开更多
关键词 微电铸 图形 化学机械抛光 表面平面度
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