对当前市场上具有一定代表性的家具类电商平台从平台类型、核心业务、平台优点与缺点几个方面进行对比分析,在此基础上对线上家具商城的发展现状进行总结,最后对家具电商平台的发展提出展望.
<span id="ChDivSummary" name="ChDivSummary" class="abstract-text">分子筛因量子尺寸效应及界面耦合效应的影响而具有奇异的物理、化学等许多优良性能,近10年间分子筛被应用到材料阻燃研究领域之中。文中在简要介绍分子筛类型和功能特性的基础上,以分子筛在材料阻燃中的应用研究为分析对象,得出分子筛是很好的阻燃协效剂,只需添加少量的分子筛就能提高阻燃效果,引入分子筛进行木质材料阻燃符合木质材料阻燃剂开发抑烟、低毒、环保等发展趋势;进一步探讨了引入分子筛到木质材料阻燃研究中的前景。</span>
NSCFR flame retardant is one of key factors of non-smoke combustible wood-based materials.Thermal analysis,cone calorimetry,Py-GC/MS,scanning electron microscopy(SEM) were utilized to investigate the flame-retardation and smoke-suppression characteristics and mechanisms of NSCFR flame-retardant.The results show that NSCFR flame-retardant could significantly shorten the combustion duration of wood-based materials and completely eliminate the second peak of heat release rate curve,greatly reduce heat release rate,total smoke release,mass loss rate,specific extinction area,and carbon monoxide production and carbon dioxide production,obviously enhance the mass of combustion char residue,effectively retarding the combustion and inhibiting smoke release of the wood-based material;NSCFR flame-retardant exhibits the ability of flame retardancy on wood by the conjunct mechanism of capturing free radical,diluting combustible gas,and catalyzing charring;NSCFR flame-retardant displays smoke suppression effects on wood by absorption action of nano alveolate structure together with the active catalyzing action of ironic molybdate.
With the current furniture design practice,the paper analyses the design features of demountable cabinet furniture,the furniture panels construct hole,system hole,reference datum and hole's position determined,confirms demountable cabinet furniture design is the key to the design of the standard side panels,at the same time,it researches and summarizes the design method of cabinet furniture's standard side panels.In the front on the basis of the discussion,in order to realize seamless docking for the demountable cabinet furniture's design theory and furniture design enterprise practice,through the actual design case,it takes the serialized bookcase and multi-adjustable wardrobe to carry on the concrete explanation as the example to the demountable cabinet furniture design on the practical level.
According to the preparation technology of woody powder high density sliding bearing(160 ℃ under 70 MPa for 30 min),self-bonding warm compaction was implemented on the three grade extractives of poplar powders in particle size small than 350 μm(cellulose-lignin-hemicellulose complex,cellulose-lignin complex and cellulose),the changes of microstructure,phase,functional groups,cellulose crystallinity etc of every sample powders were analyzed.The results show that all the cellulose,hemicellulose and lignin of woody powder occurre chemical reaction during the forming process,the chemical link formed.Self-bonding warm compaction process not only improves the chemical structures of all grades extractives,but also increases their chemical combined extent and cellulose crystallinity,the degree of integration,desification,plasticization and thermal stability are significantly strengthened.Synthetically analyzing the cost of warm compaction process and characterization of warm compaction materials,it is revealed that taking poplar powder as substrate,the biological functional materials(such as sliding bearing) are prepared by the first grade extractive or raw powder.
With the development of plantation forestry, poplar tree has become one of the most useful plantion species for the composite biomaterials in China. Therefore, the thermal release behavior of poplar composite biomaterial under high temperature was studied by TD-GC/MS in order to reveal environmental protective performance. The results were: (1) The main constituents of thermal release volatiles at 90 degrees C were acetic acid (81.45%), furfural (2.66%), cedrol (1.7%), formic acid (1.67%), benzenemethanamine, N-hydroxy-N-(p henylmethyl)-(1.42%), 2-propanone, 1-hydroxy-(0.88%), 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester (0.66%), etc. (2) The main constituents of thermal release volatiles at 150 degrees C were acetic acid (68.55%), furfural (7.26%), formic acid (7.22%), 2-propanone, 1-hydroxy-(2.22%), thiourea (1.96%), 2-furancarboxaldehyde, 5-methyl-(1.82%), propane, 2-ethoxy-(1.37%), 2-furanmethanol (1.32%), 2-pentanone (0.72%), 1H-pyrrole-2-carboxaldehyde (0.72%), etc. The result revealed that the poplar composite biomaterial is safe under high temperature, but its fire risk rised up.
In order to determine the bottleneck process priority of MTO type furniture production,four furniture enterprises of MTO were investigated according to the actual characteristics of furniture enterprise of MTO type and their market,and the bottleneck process production plan was optimized by employing relational matrix analysis.The bottleneck process priority was comprehensively evaluated,considering many factors,and the optimal scheduling rules of the production were calculated by adopting the optimization algorithm,finally the priority optimization scheme of bottleneck resources production orders for MTO type furniture enterprise was determined.
Authors of this paper comprehensively summarize the fire-retardant treatment methods of woody materials at home and abroad,analyze the advantages and disadvantages of various treatment methods.At the same time introduce the ultrasonic method,microwave method,high energy jet method, radiation and other emerging woody material fire-retardant treatment methods.And the application deve lopment of the woody material fire-retardant treatment methods is summarized.
Chinese cork and the Portuguese cork were used as sample to make heat treatment.In order to find the influence laws of heat treatment on the cork color,the temperature rose to 180,200,220 ℃ and the time was kept for 1,2 and 3 hours respectively.The results show as follows: The color of the treated cork changed obviously by the heat treatment.Under the same temperature,the color saturation became bigger and the color difference became more obvious with the increase of the keeping time.Lightness decreased with an increase of the keeping time.At the same time,the higher the temperature,the bigger the color difference was under the same time.The effects of heat treatment temperature were greater than heat-treated time on the cork lightness and color difference.
Human living environmental problems are increasingly serious, wood environment science has conformed to this subject. The author introduced three domains of wood environment science in detail, Elaborated research achievements of these domains, Analyzed research on the wood environment science the role which plays to the human living environmental protection, proposed the wood environment science in our country's futurology research direction and the goal.
The volatiles release behavior of reed powder was studied by TD-GC/MS online technique at different temperatures.The main beneficial components were 4.43 times and 5.13 times of harmful components in the volatiles of reed powder at 40℃ and 160℃,respectively,and the environmental friendliness was good.The main beneficial components took a higher proportion than that of harmful at 60℃ and 90℃,and the beneficial components were 2.45 times of harmful components at 90℃,while the environmental friendliness was well.With reed powder as substrate,wood powder-based composites were prepared by high-pressure no-gel molding compaction between the temperature of lignin softening point and wood materials carbonization(about 150—180℃),and that presented a satisfactory environmental friendliness.
Human living environmental problems are increasingly serious, wood environment science has conformed to this subject. The author introduced three domains of wood environment science in detail, Elaborated research achievements of these domains, Analyzed research on the wood environment science the role which plays to the human living environmental protection, Proposed the wood environment science in our country's futurology research direction and the goal. © 2011 IEEE.
The surface of two kind of crop stalks(corn and sorghum stalk) was modified by cold plasma to improve surface bonding performance of stalks. The effect of cold plasma treatment on stalks' surface wettability was analyzed by using contact angle tester, and the surface topography and chemical composition variation of the treated stalks were studied by SEM-EDAX and FT-IR. The results showed that after treatment by cold plasma, the surface of crop stalks can be etched, and the weak boundary layer can be removed. The crop stalks' surface were covered with a large number of active functional groups, thus the surface bonding performance of the crop stalks can be improved quickly and effectively.
Notice of Retraction After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles. We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper. The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org. Human living environmental problems are increasingly serious, wood environment science has conformed to this subject. The author introduced three domains of wood environment science in detail, Elaborated research achievements of these domains, Analyzed research on the wood environment science the role which plays to the human living environmental protection, Proposed the wood environment science in our country's futurology research direction and the goal.
Based on facing the real problems in China's furniture manufacturing industry, the paper discusses how to apply flexible concept on management practice of furniture production, and expounds proposal, influencing factor, essence, and form of flexible production planning.
TOC(Theory 0f Constraints)在生产领域的贡献主要包括:有效产出理论与生产计划控制理论,有关有效产出理论在家具生产中的应用见2010年<林产工业>杂志第1期[1].笔者主要研究TOC生产计划控制理论在家具生产中的应用.
Notice of Retraction After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles. We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper. The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org. In order to realize furniture industry development of higher level, higher quality, higher level, the paper study custom furniture products produced through the use of lean production organization and management, group technology and production organization, etc. can be achieved in implementation of mass customization systems of furniture production.
Bamboo wood is ready to be affected by mold, which leads to large amounts of economic losses. the drug safety of benzene/alcohol extractives from Pinus elliottii leavies were analyzed by GC/MS to make bamboo mold. The main ingredients of benzene/alcohol extractives were vanillin, urea, 1-(3-methoxybenzoyl)-3-(4-me thyl-6-trifluoromethylpyrimidin- 2-yl)-, undecylenic acid, toluene, tetrahydrocyclopenta[1,3]dioxin-4- one, silane, trichloropentyl-, propan-1-one, 3-(4-acetylphenylami no)-1-(2-thienyl)-, phenylethyl alcohol, phenol, 3-methoxy-2,4,6-trimethyl-, phenol, 2,4-bis(1-phenylethyl)-, phenol , pentaethylene glycol monododecyl ether, nerolidol, naphthalene,1,2,3,5,6,8a-hexahydr o-4,7-dimethyl-1-(1-methylethyl)-, naphthalene, decahydro-1,1,4a-trim ethyl-6-methylene-5-(3-methylene- 4-pentenyl)-, naphthalene, 1,6-dimethyl-4-(1-met hylethyl)-, naphthalene, 1,2,3,4,4a,5,6,8a-oct ahydro-7-methyl-4- methylene-1-(1-methylethyl)-, etc. The results obtained fully indicated that the benzene/alcohol extractives had the great potential of inhibition to bamboo mold.
Cork is a natural cellular material with various of excellent characteristics,such as the sound-absorbing and shock-absorption,the heat-insulation and heat-preservation,the fire-retardant,the acid and alkali resistance,the ageing resistance,the high resilience,the nonpoisonous and tasteless,and so on.Cork is widely used in the industrial production and people's daily life due to these excellent characteristics,especially its thermodynamics property.This paper uses the thermo-gravimetric analysis(TGA) to study the thermodynamics property of the cork,and analyzes the pyrogenation process of the Hubei cork and the Yunnan cork when the temperature ranges from 303 to 873 K.The results show that: the pyrogenation process,which is in accordance with the pyrogenation process of the chemical composition,can be divided into four phases,and the main phase of the sample pyrolysis happens in the temperature range from 513 to 693 K.According to the pyrogenation rate equation,the dynamics parameters of cork are calculated to obtain the frequency factor A,activation energy E and the thermodynamics equation of cork when the pyrolytic reaction of cork is a first order reaction.
The making process of cotton-stalkceramics is introduced and the structure changes of cottonstalkceramics which made under different temperature and proportion of wood/PF with the X ray are studied.Experimental results indicated that with the carbonization temperature and phenolic resin increase,diffraction peak,intensity, graphitization degree increase and crystal plane spacing d_((002)) decreases.