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Discussion on Evaluation Method of Helium Resources in Natural Gas
Zhang Zuoxiang,
Jin Dawei,
Bai Fengyou,
Wang Yujie,
Dong Juan,
Chen Yan,
Gu Qinglian
Issue:
Volume 6, Issue 1, February 2018
Pages:
1-5
Received:
7 March 2018
Published:
9 March 2018
Abstract: In view of the importance of helium resources and the lack of evaluation methods, the resource evaluation method for helium in natural gas is found and summarized. Helium gas is associated with oil and gas, and generally exists as a component of natural gas. It has important industrial value and is used in many fields. At present, the helium resources are scarce in China, the application of the extraction of helium gas from natural gas is less. Based on sorting and summarizing the evaluation methods of natural gas, choose the resource evaluation method that can be applied to helium, and evaluate the resource of helium in natural gas based on the natural gas evaluation method. Finally, select the target area to select the evaluation parameters and control the reserves calculation, to verify the feasibility of the method. Through verification, the volumetric method is an accurate and reliable evaluation method for the helium gas resources in natural gas.
Abstract: In view of the importance of helium resources and the lack of evaluation methods, the resource evaluation method for helium in natural gas is found and summarized. Helium gas is associated with oil and gas, and generally exists as a component of natural gas. It has important industrial value and is used in many fields. At present, the helium resour...
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Financing Mode of Nature Reserve in China
Hu Xue Ping,
Zhang Sheng Yong
Issue:
Volume 6, Issue 1, February 2018
Pages:
6-11
Received:
7 March 2018
Published:
9 March 2018
Abstract: As the deterioration of the external environment, insufficient capital investment and other perplexing problems on the management process, Chinese Natual reserve is faced with many threats, so the construction and protection of the Wetland Nature Reserve has become the urgent work of relevant departments. The primary task of building a conservation area to solve the problem of insufficient funds for the construction of protected areas. This paper mainly takes Hubei province Long gan Lake Natural Reserve as an example to analyze the nature reserve of existing financing mechanisms. On the basis of comparison and analysis, finally, the following conclusion is obtained: Longgan Lake Nature Reserve of Hubei province should try the financing model of PPP to cope with the shortage of construction funds.
Abstract: As the deterioration of the external environment, insufficient capital investment and other perplexing problems on the management process, Chinese Natual reserve is faced with many threats, so the construction and protection of the Wetland Nature Reserve has become the urgent work of relevant departments. The primary task of building a conservation...
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Study on the Relationship Between Air Pollution and Economic Development
Yang Zhanhong,
Luo Hong,
Wang Xiao
Issue:
Volume 6, Issue 1, February 2018
Pages:
12-18
Received:
7 March 2018
Published:
9 March 2018
Abstract: In recent years, the government has adopted a series of measures to control air pollution, and the atmospheric environment quality has been improved. However, the environmental air quality in China is still not ideal. In this paper, constructs a regression model based on the EKC hypothesis, and builds a Tapio decoupling model based on the decoupling theory. The relationships between atmospheric pollutants and GDP are analyzed by using thses two methods. The atmospheric pollutants include SO2, NOx and CO2. In the regression model, the quantitative relationship between atmospheric pollutants and GDP is established, and the characteristics and differences between the pollutants and GDP are analyzed. Also, the decoupling relationship between atmospheric pollutants and economic growth is analyzed by using decoupling model. Then, the mutual verification of these different methods are launched. On this basis, the new situation of air pollution in China under the background of ecological civilization construction is analyzed. At last , policy suggestions are put forward.
Abstract: In recent years, the government has adopted a series of measures to control air pollution, and the atmospheric environment quality has been improved. However, the environmental air quality in China is still not ideal. In this paper, constructs a regression model based on the EKC hypothesis, and builds a Tapio decoupling model based on the decouplin...
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Feasibility Study on Redox Mediator-Stimulating Bioenergy Extraction Using Edible Flora for Sustainable Applications
Jia-Hui Liao,
Chung-Chuan Hsueh,
Bor-Yann Chen
Issue:
Volume 6, Issue 1, February 2018
Pages:
19-26
Received:
1 May 2018
Published:
23 May 2018
Abstract: This first-attempt study used extracts of appropriate antioxidant abundant Camellia and non-Camellia tea and medicinal herbs as model ESs to stably intensify bioelectricity generation performance in microbial fuel cells (MFCs). As electron shuttles (ESs) could stimulate electron transport phenomena by significant reduction of electron transfer resistance, the efficiency of power generation for energy extraction in microbial fuel cells (MFCs) could be appreicably augmented. Using environmentally friendly natural bioresource as green source of ESs is the most promising to sustainable practicability. As comparison of power-density profiles indicated, supplement of Camellia tea extracts seemed to be the most appropriate, then followed non-Camellia Chrysanthemum tea and medicinal herbs. Antioxidant activities, total phenolic contents and power stimulating activities were all electrochemically associated. In particular, the extract of unfermented Camellia tea (i.e., green tea) was the most promising ESs to augment bioenergy extraction compared to other refreshing medicinal herb extracts for biorefinery applications.
Abstract: This first-attempt study used extracts of appropriate antioxidant abundant Camellia and non-Camellia tea and medicinal herbs as model ESs to stably intensify bioelectricity generation performance in microbial fuel cells (MFCs). As electron shuttles (ESs) could stimulate electron transport phenomena by significant reduction of electron transfer resi...
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Simulation Study on Collective Magnetic Properties and Magnetocaloric Effect of Magnetic Nanoparticles Assembled by Magnetic Field
Issue:
Volume 6, Issue 1, February 2018
Pages:
27-34
Received:
1 May 2018
Published:
23 May 2018
Abstract: Nanoparticles often play a role in the form of groups. The collective properties of magnetic nanoparticles will be changed as a result of the inter aggregation mode and the morphology of the particles. In this thesis, magnetic properties and magnetocaloric effects of one dimensional chain nanoparticles in magnetic field are mainly studied, which lays the foundation for further clinical applications.Through the simulation research on the multi physical coupling, the changes of collective magnetic properties and magnetocaloric effects of one dimensional structure nanoparticles assembled by magnetic field are expounded theoretically. Concretely, Comsol Multiphysics software is applied, and magnetic flux density images of one dimensional chain magnetic nanoparticles caused by alternating magnetic field are obtained with different direction. Furthermore, alternating magnetic fields are induced, magnetic flux density and electromagnetic heat images of one dimensional chain magnetic nanoparticles are obtained with different diameters and spaces, and the magnetic field distribution and the magnetic heat distribution are analyzed. Through multiple one dimensional chain nanoparticles images of different magnetic heat found that one dimensional chain nanoparticles mutual effects between adjacent particles, result in the simulation results obviously.
Abstract: Nanoparticles often play a role in the form of groups. The collective properties of magnetic nanoparticles will be changed as a result of the inter aggregation mode and the morphology of the particles. In this thesis, magnetic properties and magnetocaloric effects of one dimensional chain nanoparticles in magnetic field are mainly studied, which la...
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The Immune-Regulatory Effect of the Exosomes from Human Umbilical Cord Blood Plasma on T Cells in vitro
Weiyi Xia,
Zheng Ye,
Hailing Li,
Doulathunnisa Jaffar Ali,
Jiahua Ding,
Bo Sun,
Zhongdang Xiao
Issue:
Volume 6, Issue 1, February 2018
Pages:
35-42
Received:
1 May 2018
Published:
23 May 2018
Abstract: To investigate the immune-regulatory function of exosomes from human umbilical cord blood plasma on T cells in peripheral blood, differential centrifugation was used to isolate the exosomes from umbilical cord blood plasma (Pexo) firstly. The exosome was characterized by transmission electronic microscope and the western blot of CD63, Lamp2. Exosomes were cultured with peripheral blood lymphocytes which were isolated from the peripheral blood for 72 h, and analyzed for the changes of the Treg subpopulation and memory T cells by flow cytometry, and their effect on lymphocyte proliferation was measured by CFSE assay. The production of IFN-γ, IL-2, TNF-α, TGF-β was detected by qRT-PCR. The results show that Pexo could not activate T cells or proliferate the T cells in vitro, and could not regulate the Treg subpopulation or memory T cells, but the expression of IFN-γ and TNF-α was decreased significantly after the treatment with Pexo within 24h. The exosomes from the umbilical cord blood plasma can decrease the expression of inflammatory factors observably under the condition of keeping the activity and function of the cells. So it has the potential to be used to cure the related immunological diseases due to the inflammatory factors overexpression, especially for the elderly, as their body are usually under the inflammatory state.
Abstract: To investigate the immune-regulatory function of exosomes from human umbilical cord blood plasma on T cells in peripheral blood, differential centrifugation was used to isolate the exosomes from umbilical cord blood plasma (Pexo) firstly. The exosome was characterized by transmission electronic microscope and the western blot of CD63, Lamp2. Exosom...
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Analysis of Volatile Components From the Extracts of Honeysuckle by Microbial Fermentation
Wei Min,
Chen Shuo,
Song Xu-yan,
Li Ran,
Pan Xi,
Guo Guo-ning
Issue:
Volume 6, Issue 1, February 2018
Pages:
43-46
Received:
1 May 2018
Published:
23 May 2018
Abstract: In order to analysis the volatile components of honeysuckle extract, the honeysuckle extracts by Raoultella planticola fermented and its contrast extracts were analyzed by GC/MS after simultaneous distillation extraction. The results showed：In compared with the contrast, (1) 35volatile components were identified from the fermented honeysuckle extract, including 22 kinds of new: 3- hydroxy -2- methyl ethyl ketone, hexanal, isoamyl propionate, benzene ethanol, two hydrogen actinidiolide, etc.,which accounted for more than 40% of the total relative percentage content; (2) And 23 kinds of volatile components’ content changed, including linalool, α-terpineol increased, at the same time, the stimulus components disappeared, such as dibutyl phthalate. After fermentation, the volatile components of honeysuckle extract has changed in a big way, with fragrance, fruit sweet, creamy and rich aroma, and stimulating ingredients reduce, leading to improve the quality of aroma.
Abstract: In order to analysis the volatile components of honeysuckle extract, the honeysuckle extracts by Raoultella planticola fermented and its contrast extracts were analyzed by GC/MS after simultaneous distillation extraction. The results showed：In compared with the contrast, (1) 35volatile components were identified from the fermented honeysuckle extra...
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Software Engineering Implementation Experience of Precision Navigating System
Issue:
Volume 6, Issue 1, February 2018
Pages:
47-51
Received:
1 May 2018
Published:
23 May 2018
Abstract: The precision navigating system is widely used in the weapon system. With the development of the digital circuit technology,the software becomes the core of navigating system,all of the function are accomplished by embedded software.There is a high requirement for software quality、security、stability and reliability.In order to increase the success rate for software development and improve the quality of software,this paper summarizes the creative measures of software engineering implementation from software system design、software management、communication mechanism、development process and reliability design in navigating system research process.The effectiveness of the measures is verified by research achievements.
Abstract: The precision navigating system is widely used in the weapon system. With the development of the digital circuit technology,the software becomes the core of navigating system,all of the function are accomplished by embedded software.There is a high requirement for software quality、security、stability and reliability.In order to increase the success ...
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Research on the Quality Assurance Method of Spacecraft Software Based on Software Testing
Zhao Long,
Liang Xinjian,
Hu Xiaoxi
Issue:
Volume 6, Issue 1, February 2018
Pages:
52-56
Received:
1 May 2018
Published:
23 May 2018
Abstract: Aerospace technology is the most important symbol of the national strength, the national defense and the comprehensive national strength. With the change of times and the development of information technology, the development trend of the Spacecraft is more serialized, more intelligent and more precise. The computer systems are becoming more and more widespread in the spacecraft system. Aerospace engineering is an system which is huge, complicated and high technical difficulty. In this system, the computer and the software play an important role about the system control, process control, data acquisition and processing, data communication and system security and other tasks. The software has become the nerve center of the whole system, and it produces all kinds of information to make the other part of the system perform corresponding actions. The spacecraft software is bigger and bigger, the structure is more and more complex, and the requirement for software quality is higher. This paper investigates and studies the major software quality accidents and its causes. Base on the software test, this paper put forwards the method of software quality assurance and the construction idea of software evaluation Organization. The method proposed in this paper has been applied in several spacecraft, and the results show that the reliability and safety of the software can be effectively improved, and the quality of the spacecraft is guaranteed.
Abstract: Aerospace technology is the most important symbol of the national strength, the national defense and the comprehensive national strength. With the change of times and the development of information technology, the development trend of the Spacecraft is more serialized, more intelligent and more precise. The computer systems are becoming more and mo...
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Research and Practice on Data Governance of Aerospace High-Tech Enterprises
Xinjian Liang,
Lin Guo,
Long Zhao
Issue:
Volume 6, Issue 1, February 2018
Pages:
57-61
Received:
1 May 2018
Published:
23 May 2018
Abstract: With increasing demands on refinement, datamation and standardization of the aerospace high-tech enterprises businesses and the accelerating pace of the informatization construction, data governance has became an important foundation for the development of aerospace high-tech products, improvement of products quality, and intelligence analysis and decision. At present, the potential value of the data assets of aerospace high-tech enterprises have not yet been excavated, data governance still lays emphasis on technologies, lack of top-level planning for data governance, the effective data governance mechanism not yet been established, lack of coordination and cooperation between different business departments. Although every business department has collected and displayed of the core businesses and products data, but lack of the deeper enterprise-level data governance system. The data governance is a complex system engineering, which should be promoted to the core strategy of the enterprise. The data governance system of aerospace high-tech enterprises is made up of an integrated and balanced informatization architecture involved in organization, data, technology and application. Through the research and practice on the master data management,unifying data coding rules, collecting data, sharing data, data life cycle management and data application, meeting the requirement of the aerospace high-tech enterprises and promoting the data to bacome the largest value source.
Abstract: With increasing demands on refinement, datamation and standardization of the aerospace high-tech enterprises businesses and the accelerating pace of the informatization construction, data governance has became an important foundation for the development of aerospace high-tech products, improvement of products quality, and intelligence analysis and ...
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The Motion Analysis of Multi-degree-of-freedom Assembly System in Space Station
Wang Pengfei,
Zhang Chengli,
Liu Tonghui,
Xing Shuai
Issue:
Volume 6, Issue 1, February 2018
Pages:
62-71
Received:
1 May 2018
Published:
23 May 2018
Abstract: Spacecraft assembly is the final stage and the key link in the realization of functionality and performance of aerospace products, through the introduction of multi-degree-of-freedom assembly system in the intelligent assembly process of the large space station, the intelligent assembly of large-scale products in the sealed capsule is realized. In this paper, based on three elements, those are the spacecraft, the product to be installed and the multi-degree-of-freedom assembly system, a motion model of the multi-degree-of-freedom assembly system is established, the movement trajectory of multi-degree-of-freedom assembly system is analyzed detailly, according to the principle of inverse kinematics, path planning of the multi-degree-of-freedom assembly system is carried out. Through the simulation software, the trajectory and path of the multi-degree-of-freedom assembly system are simulated, the assembly path of the product in the sealed space of the space station is obtained. Finally, by constructing the virtual environment of spacecraft assembly, the theoretical model and the calculation results are verified. Through analyzing the path planning of multi-degree-of-freedom assembly system in space station, intelligent assembly of spacecraft products is achieved.
Abstract: Spacecraft assembly is the final stage and the key link in the realization of functionality and performance of aerospace products, through the introduction of multi-degree-of-freedom assembly system in the intelligent assembly process of the large space station, the intelligent assembly of large-scale products in the sealed capsule is realized. In ...
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