bluuebunny/crossref_metadata_2025_split huggingface dataset:
Research on the Technology of Conductor Corrosion Detection based on Eddy Current Testing
Authors: Xu Zhongkai , Zhu Yuancheng , Ma Hongfeng , Duan Youzhong , Yang Changlong , Song Deyu 
Published: March 2020

Abstract
The detection of conductor corrosion state provides technical guarantee for mastering the corrosion type, corrosion degree and service life of power transmission lines, realizing the timeliness and accuracy of power line replacement, and reducing the hidden danger of line safety. In this paper, a method based on eddy current testing for corrosion detection of power wire is proposed. High and low frequency eddy current testing is used to measure the residual cross-sectional area of wire, and the output database of flaw detection is established to deduce the residual tensile force of wire. Finally, by introducing the artificial single line sample and the actual running conductor for dynamic comparison, the residual tension data of the conductor can be corrected. The results show that the method adopted in this paper is feasible and accurate, which further guarantees the safe and reliable operation of overhead transmission lines.
Active Control of Vibration and Noise of Energy Equipment
Authors: Li Siting , Liu Shuyong , Yang Lihua 
Published: March 2020

Abstract
Vibration and noise control is an important topic in the field of energy equipment research. The traditional passive control has better control effect in dealing with high frequency vibration noise, but it is not satisfactory in low frequency noise control. The active control solves this problem better. This article gives a reference for subsequent research in this field through a review method, which has certain reference value.
Study on Mechanical Properties of Plant Fiber reinforced concrete Hollow Block
Authors: Hu Quanquan , Fang Guangxiu 
Published: March 2020

Abstract
In this paper, coal gangue and recycled concrete are used as some coarse aggregate instead of natural crushed stone, and plant fibers are added to improve the physical and mechanical properties of concrete. The optimum mix ratio of 28d concrete was selected from the comparative analysis of compressive strength and tensile-compression ratio. A kind of self-insulating concrete block with plant fiber was developed by designing the shape and size of the concrete block. The block has good compressive strength and low cost, can well solve environmental problems, and has good economic value and social benefits.
Research on wind-assisted solar power ship system
Authors: Zhang Haomin , Shi Decai 
Published: March 2020

Abstract
The wind-assisted solar power boat uses the abundant wind resources generated by the special geographical environment of the lake area as the main power, and supplements the solar power technology to power the pleasure boat, which can almost achieve zero emissions and zero pollution, effectively reducing Destruction of the ecological environment. This study further improved the efficiency of wind energy utilization by sails, and achieved automation of sail control. In addition, the combination of solar energy and wind energy will make the ship’s operating performance better and the scope of application wider. The promotion of the research results can greatly save the operating costs of cruise ships, and in the long run have greater economic and environmental benefits, which is in line with the concept of sustainable development. This research will also fill a gap in this area in China, and it is expected to do deeper research on some cutting-edge technologies.[1]
Design and Intelligent Control of Hydrogen Fuel Cell Hybrid Ship
Authors: Xu Xingang , Liu Yang 
Published: March 2020

Abstract
At present, with the continuous development of the world economy, people’s demand for ships is also increasing. However, most of the existing ships use the traditional diesel engine power system, which makes the petrochemical energy consumption serious. At the same time, it also brought a large amount of exhaust gas pollution, oil pollution and noise pollution. Relevant information shows that the exhaust gas emitted by ships is also one of the main sources of PM2.5 in the air, resulting in increasingly serious air pollution. According to statistics, the global shipping industry’s carbon dioxide emissions account for about 4% of global greenhouse gas emissions. The problem of ship pollution is very prominent today when it advocates cleanness and greenness, which has also attracted the continuous attention of the regulators’ policies.[1]
Study on all water foaming of rigid polyurethane foam and design of high-performance formula
Authors: Wang Zhenjun , Ma Chenyang , Zhang Chunyu , Li Xiuhao , Duan Shaolong , Chen Mengjun 
Published: March 2020

Abstract
The foaming properties of polyurethane rigid foam were studied by using different hydroxyl value, functionality, viscosity of polyether polyols, polyisocyanates, water, catalyst, foam stabilizer and crosslinking agent as raw materials. The microstructure and macroscopic morphology of the foams were analyzed by scanning electron microscope (SEM), which provided the basis for the selection and optimization of the composition of the raw materials for the preparation of polyurethane rigid foam. The effects of polyether polyols, catalysts, water, isocyanate index, foam stabilizer and other factors on the properties of polyurethane foam plastics were emphatically analyzed. Based on this, a high-performance all water foaming rigid polyurethane foam formula was determined.
Cooling Coral Habitats by Convection
Authors: Shen Xin 
Published: March 2020

Abstract
The rise of ocean temperature and the acidification of seawater caused by global warming have dealt a near catastrophic blow to corals living in shallow waters. The massive coral deaths, which have proven to be an impact of fishing, tourism and the marine ecological system, will continuously deteriorate to a stage that impairs human environment, which makes it badly-needed to reach the resolutions.
Based on previous studies on the effects of current mixing in the ocean, this project mainly utilizes convective heat transfer theories: Cooling surface water by ejecting cooling air, and circulating cooling bottom water by forced convection. It attempts to imitate and amplify natural oceanic activities to reduce the disturbance. Meanwhile, some substances are sprayed to promote the growth of phytoplankton for the acidity reduction of seawater. Additionally, setting specific constrains and preconditions according to coral habitats (continental shelf) may allow this design to be more suitable and effective.
Afterwards, the project is simulated and tested on the software Workbench Fluent. Results show that the device is capable of refrigeration, and theoretically meets the design requirement of cooling more than 2°C. The temperature field of the convective process is also clearly depicted, which indicates that the cooling mechanism of the convective circulation can be technically realized.
Effects of intercropping with Youngia erythrocarpa, Conyza canadens and Mazus japonicus on physiological and biochemical characteristics of Galinsoga parviflora under cadmium stress
Authors: Huan Yunmin , Huang Yong , Zhang Haoran , Zhou Huixuan , Jiu Zhouyang , Liao Ming’an 
Published: March 2020

Abstract
A pot experiment was conducted to study the effects of intercropping with Youngia erythrocarpa, Conyza canadens and Mazus japonicus on physiological and biochemical characteristics of hyperaccumulator Galinsoga parviflora under cadmium (Cd) stress. The results showed that intercropping with Y. erythrocarpa (GIY), C. canadens (GIC) and M. japonicus (GIM) all increased the superoxide dismutase (SOD), peroxidase (POD), peroxidase (CAT) activity and the soluble protein content of G. parviflora compared with monoculture (MG), the photosynthetic pigment (chlorophyll a, chlorophyll b, total chlorophyll, carotenoid) content and chlorophyll a/b of G. parviflora increased after intercropping, too. Among all treatments, GIC had the highest antioxidant enzyme activity, soluble protein content and photosynthetic pigment content. As for photosynthetic characteristics, GIC had the highest net photosynthetic rate (Pn), followed by GIY, GIM and MG. Compared with MG, the stomatal conductance (Gs) and transpiration rate (Tr) of GIC and GIM all increased significantly while that of GIC had no significant change, moreover, GIC had significantly lower CO2 concentration of intercellular (Ci) than other treatments, there was no significant difference in value of pressure deficit leaf (Vpdl) among all treatments. Therefore, under Cd stress, intercropping with C. canadens can improve the antioxidant enzyme activity and photosynthetic capacity of G. parviflora to the greatest extent, which was conducive to its remediation of Cd contaminated soil.
Effects of Chitosan on the Uptake of Total Iron, Manganese and Boron in Peach Seedlings
Authors: Yang Liu , Jiu Zhouyang , Zhou Huixuan , Zhang Haoran , Huang Yong , Liao Ming’an 
Published: March 2020

Abstract
As materials for the study, peach seedlings were sprayed with various concentrations (0, 1, 2, 4 and 6 g/L) of chitosan for the sake of the uptake of total iron, manganese and boron content and a more particular knowledge of the growth of the seedlings. The results in experiment showed that the total manganese content accumulated more in peach seedlings compared with other two elements. The total manganese and boron content in roots and leaves of chitosan-treated seedlings could increase in general. In the wake of the chitosan concentration increased, the total iron content in roots and leaves of seedlings gradually decreased but increased in stems. When it comes to the absorption of nutrients by peach seedlings, there were existing synergism and antagonism in this experiment among iron, manganese and boron, which were good for the growth of peach seedlings.
Effects of Chitosan on the Uptake of Total Calcium, Magnesium and Sodium in Peach Seedlings
Authors: Yang Liu , Gao Xinyu , Xiao Ling , Shu Junjiang , Li Qinyuan , Liao Ming’an 
Published: March 2020

Abstract
In this experiment, peach seedlings, as materials, were treated with various concentrations (0, 1, 2, 4 and 6 g/L) of chitosan. The content of total calcium, magnesium and sodium in roots, stems and leaves of peach seedlings were all measured. Overall, the chitosan treatments could increase the total calcium, magnesium and sodium content in roots and stems, especially at chitosan concentration of 2 g/L. In other words, spraying different concentrations chitosan solution could promote the accumulation of nutrient elements and the plants growth. However, the total calcium and sodium content in leaves of chitosan-treated seedlings were significantly lower than that in control seedlings. In soil, the water-soluble calcium content was higher and the water-soluble magnesium and sodium content were all the highest at 2 g/L chitosan concentration. Thus, to a certain extent, it’s good for spraying chitosan solution for the better growth and nutrient uptake of total calcium, magnesium and sodium in peach seedlings.
Effects of Biochar on Soil Water-Soluble Sodium, Calcium, Magnesium and Soil Enzyme Activity of Peach Seedlings
Authors: Wu Caifang , Hou Yuefeng , Bie Yuhui , Chen Xu , Dong Yiping , Lin Lijin 
Published: March 2020

Abstract
The effects of biochar (rape straw, paddy straw, wheat straw and corn straw) on soil water-soluble sodium (Na), calcium (Ca), magnesium (Mn) and soil enzyme activity of peach seedlings was studied by pot experiment. The experimental result indicated that the effect of paddy straw biochar on soil water-soluble Na content was not significant compared with control, but caused a significant increase in the content of soil water-soluble Ca and Mn. Corn straw biochar significantly increased the content of soil water-soluble Na, and the content of soil water-soluble Ca and Mg were little different from that of control. The soil water-soluble Ca content under wheat straw biochar treatments was significant lower than that of other treatments. Soil enzyme activity is a comprehensive index of soil fertility, and all the biochar treatments led to a significant increase in soil urease activity, which significantly decreased the soil invertase and acid phosphatase activities, and the soil catalase activity between biochar treatments and control had no obviously difference. In conclusion, paddy straw biochar and corn straw biochar have a better effect on soil water-soluble mineral elements such as Ca and Mg, and biochar can promote or inhibit soil enzyme activity under planting peach seedlings.
Comparison of cadmium accumulation in three Solanum species
Authors: Huang Kewen , Dong Yiping , Chen Xu , Bie Yuhui , Hou Yuefeng , Liao Ming’an 
Published: March 2020

Abstract
In order to study the difference of cadmium (Cd) accumulation in three species of Solanum, the Cd accumulation characteristics of Solanum nigrum L., Solanum alatum Moench and Solanum nigrum L. var. humile (Bernh.) C. Y. Wu et S. C. Huang were studied by pot experiment under the condition of Cd concentration of 10 mg/L. The results showed that the biomass of all parts of S. nigrum was significantly higher than that of other Solanum species, while the rank order of the Cd content of the Solanum species was as follows: S. nigrum var. humile > S. alatum > S. nigrum. The amount of Cd extracted by the Solanum species observed significant difference, and the amount of Cd extracted by the stems, leaves and shoots of S. alatum was significantly higher than other Solanum species, indicating that S. alatum had the best repair effect on Cd-contaminated soil.
Comparison of selenium accumulation in three Solanum species
Authors: Huang Kewen , Han Jiaxi , Huang Yingying , Jing Qianhe , Li Aihui , Liao Ming’an 
Published: March 2020

Abstract
In order to compare the difference of selenium (Se) accumulation in three Solanum species, the Se accumulation characteristics of Solanum nigrum L., Solanum alatum Moench and Solanum nigrum L. var. humile (Bernh.) C. Y. Wu et S. C. Huang were studied by pot experiment at a Se concentration of 10 mg/kg. The results showed that the biomass of all parts of Solanum species was as follows: S. nigrum > S. alatum > S. nigrum var. humile. Interestingly, contrary to the order of Solanum species biomass, the Se content of all parts of Solanum species was as follows: S. nigrum var. humile > S. alatum > S. nigrum. Furthermore, the amount of Se extracted by leaves and shoots was significantly higher than that of other Solanum species, and reached 38.73 and 51.40 μg/plant, respectively. Among the three Solanum species, S. nigrum var. humile has the strongest enrichment ability for soil Se and is an ideal Se-enriched vegetable.
Effect of mutual grafting on the growth and moisture content in post-grafting of two varieties cherry tomato seedlings
Authors: Liang Le , Li Aihui , Jing Qianhe , Huang Yingying , Han Jiaxi , Tang Yi 
Published: March 2020

Abstract
The effects of mutual grafting on growth and moisture content in post-grafting generations of two varieties cherry tomato seedlings (yellow cherry tomato and red cherry tomato) under stress of Cd were studied in a pot experiment involving the following: un-grafted yellow cherry tomato and red cherry tomato (Yellow CK and Red CK), yellow cherry tomato as rootstock and red cherry tomato as scion (Yellow Rootstock, Red Scion), yellow cherry tomato as scion and red cherry tomato as rootstock (Yellow Scion, Red Rootstock). Mutual grafting increased plant height, stem weight of post-grafting of yellow cherry tomato; however, stem diameter, root and leaf weight and moisture content were no significantly effects compared with Yellow CK. As for red cherry tomato seedlings, mutual grafting increased root length of post-grafting; plant height and moisture content of post-grafting of Red Rootstock were increased, while in Red Scion, the these parameters decreased or showed no significant effects. These results imply that mutual grafting may improve or no effect in growth and moisture content of post-grafting generations.
Study on Rural Environment Construction Based on the Development of Traditional Industry——Taking Jiuxian Village of Zhanjiang as an Example
Authors: Deng Wan , Zhang Qian , Zhang Zhijing , Li Yongyi , He Shuting , Jiang Yanji 
Published: March 2020

Abstract
Under the background of the rural revitalization, it is necessary to think about how contemporary China’s villages develop new characteristics according to their traditional industry, reform and innovation to help drive the villages’ environmental construction and cultural protection. The article studies how contemporary villages implement social protection, upgrade traditional industries, display characteristics, and innovative ideas. In this article, the planning of Jiuxian Village in Zhanjiang is taken as an example, and the construction plan of rural revitalization is proposed from the perspective of sugar industry development. The rural environment construction strategies under the industrial orientation are proposed through cultural protection, element extraction, technical analysis and structural optimization of the site environment, which aims to provide useful guidance for the construction of traditional village culture and environment. This program has won the Residential Area Planning Excellence Award in the 8th IDEA-KING Student Group.
Analysis of volatile compounds in Annona squamosa L. fruit under cold storage based on HS-GC-IMS
Authors: Gong Xiao , Tan Ge , Hu Xiaojun , Li Jihua 
Published: March 2020

Abstract

Annona squamosa L., also known as sugar apple, sweetsop, is listed as one of the world’s five largest tropical fruits and is commercially cultivated in tropical and subtropical regions of China. To analyze the effect of different preservatives on the volatile aroma components of sugar beets during cold storage, the samples were stored at 4 °C and sampled every two days. The change in volatile aroma components was studied by changing the composition of the preservative. The volatile aroma components in the storage of sweetsop were analyzed by GC-IMS. The results indicated that the preservation of the sweetsop by 1-MCP made the volatile aroma as much as possible with the fresh components under the condition of cold storage. The findings of this study are of great significance for the research and development of the future preservation method of Annona squamosa L. fruit and will provide theoretical support for the preservation technology of tropical fruits.
Multi-scenario Analysis of Thermal Power Units Emission Reduction Considering Optimal Cost-effectiveness
Authors: Zheng Kuan , Zhao Qiuli , Shen Shumei , Zhang Fuqiang , Zhou Mi 
Published: March 2020

Abstract
This article is guided by the most cost-effective emission reduction program, according to the statistics of different unit types installed in 2015, including the operation of each unit, the decommissioning period and the relevant policies and regulations that the country has now clearly defined. This article analyzes the coal-fired emission reduction scenarios and forecast the thermal power generation reductions in 2020 and 2030. It verifies the superiority of the emission reduction scheme and provides a reference for the next step of technology and equipment development.
Flotation Separation of Zn2+, Mg2+, Fe2+, Ni2+ and Hg2+ using KNO3-PAN-Ethanol System
Authors: Wen Xinrong , Tu Changqing 
Published: March 2020

Abstract
The flotation separations of Zn2+-Mn2+, Zn2+-Fe2+, Zn2+-Ni2+ and Zn2+-Hg2+ have been studied. The separation conditions of Zn2+ with Mg2+, Fe2+, Ni2+ and Hg2+ using KNO3-PAN-ethanol system are discussed. The results show that in the presence of 1.0 g KNO3, when the dosage of PAN ethanol solution and pH 8.5 NH3-NH4Cl buffer solution both are 2.00 mL, the chelate settlement of Zn-PAN which form from the system is flotated to the ethanol-phase. Zn2+ is flotated quantitatively. While Mg2+, Fe2+, Ni2+ and Hg2+ can not be flotated. The quantitative separations of Zn2+-Mn2+, Zn2+-Fe2+, Zn2+-Ni2+ and Zn2+-Hg2+ are achieved, and the results are satisfactory.
Kinetic and thermodynamic analysis of adsorption of naproxen by activated sludge
Authors: Tang Ying , Hong Chengyang , He Xiuling , Ren Ke 
Published: March 2020

AbstractNaproxen, a new environmental drug pollutant, shows “false persistence” in the environment and causes certain risks to human health and ecological environment, which has attracted extensive attention. The activated sludge in the sewage treatment technology plays a significant role in the control of the naproxen content. This paper carried out the kinetics and thermodynamic analysis of the adsorption process of naproxen by activated sludge. The experimental results show that the adsorption process of naproxen by activated sludge conforms to the pseudo-second-order kinetic equation and the linear fitting R2value is more than 0.99 at different initial concentrations. The Freundlich equation and Langmuir equation were adopted to carry out the adsorption models fitting. The Freundlich equation could represent the adsorption results satisfyingly. There is a negative correlation between the initial concentration of naproxen and the adsorption rate. The adsorption effect is determined by the hydrophobicity of naproxen and the electrostatic reaction between naproxen and activated sludge. After adsorption, there is no obvious naproxen desorption in activated sludge.
Distribution of chlorophyll and phytoplankton in Xiapu, Fujian
Authors: Hao Zhe , Feng Ziyue , Zou Xinqing , Feng Weihua , Xu Hengtao 
Published: March 2020

Abstract
Phytoplankton is the primary productivity of the ocean, increasing their biomass through accumulating organic matter synthesized by photosynthesis. Chlorophyll a and pheophytin will all bring important influence on the recognition of biological optical information for phytoplankton. So it’s necessary to analyse distribution of chlorophyll and phytoplankton. In this study, the concentration distributions of chlorophyll a and pheophytin in Xiapu were obtained. As a result, the overall trend of concentrations showed summer > spring> autumn > winter . This was mainly because of the difference of seawater temperature. The distribution of chlorophyll and phytoplankton varied with time. And they share a similar trend, indicating that chlorophyll content directly affects phytoplankton content.
Application Research on Deodorization Effect of Domestic Waste by One Microbial Deodorizer
Authors: Chengyang Hong , Ying Tang , He Xiuling 
Published: March 2020

Abstract
In order to assess the deodorization effect of the selected microbial deodorizer, one garbage truck and three refuse transfer stations were used for our investigation. The removal efficiency of NH3, H2S and odor concentration from domestic wastes was studied. The results showed that the concentration of NH3 was decreased by 90.9% and the concentration of odor was decreased by 92.8% when spraying deodorant in the garbage truck. In the three refuse transfer stations, the average removal rates of NH3 and the odor concentration were 66.7% and 34.7%, respectively. Good deodorizing effects of the selected microbial deodorizer were obtained in this research.