中国木门窗标准体系构建研究

总结国内外木门窗标准化的现状,分析中国木门窗标准存在的主要问题,运用标准体系理论对木门窗标准进行研究,构建木门窗标准体系框架,并对标准内容的完善提出建议。     

首部木门窗国家标准将于2013年12月1全面实施

<正>中国木门窗行业首部国家标准——GB/T 29498-2013《木门窗》,2013年12月1日起全面实施。颁布实施《木门窗》国家标准,针对的主要是工业化生产,在现代建筑上使用的木门窗产品。《木门窗》标准是我国木门窗行业首个专业性细分的国家标准,颁布实施《木门窗》国家标准,针对的主     

中国林产工业协会木门窗产业分会在京正式成立

正3月11日,中国林产工业协会木门窗产业分会在北京正式成立,该分会秘书处挂靠中国林科院木材工业研究所。木门窗产业分会适时成立,不仅能够为我国木门窗产业发展提供政策、标准、信息、咨询、品牌培育等各项服务,而且为企业与政府、企业与消费者、企业与企业之间以及国内外市场搭建沟通的桥梁,广泛听取会员单位意见,研究提出行业发展规划建议,     

中国木门窗加工设备的现状与发展

本文简要地叙述了我国木门窗加工设备的概况以及存在的问题,并就国产木门窗加工设备提出了发展方向。     

中国林产工业协会木门窗产业分会举行第三届理事长(扩大)会议

<正>2017年10月16日,中国林产工业协会木门窗产业分会在2017第五届中国木门先进制造技术与产业发展研讨会期间举办了"中国林产工业协会木门窗产业分会第三届理事长(扩大)会议"。木门窗产业分会张占宽秘书长代表木门窗产业分会秘书处对上次理事长会议以来所做的主要工作进行总结汇报,并梳理了下一步重点工作。重点工作包括完成《绿色产品评价—木门》的团体标准制定工作,撰写《中国木门产业调查研究报告》和     

2014年第二届中国木门窗先进制造技术研讨会在冀召开

由中国林产工业协会和中国林科院木材工业研究所共同主办的2014年第二届中国木门窗先进制造技术研讨会，于9月20-23日在河北高碑店中国国际门窗城举办。本次会议围绕木门窗自动化专用装备、制造工艺与管理等方面进行了共性技术和关键技术研讨，旨在搭建多学科、多部门、产学研相结合的高层次学术与技术交流平台，促进木门窗产业的科技创新和成果转化，服务木门窗产业发展。中国林产工业协会、中国林科院木材工业研究所、相关林业高等院校的专家以及木门企业负责人参加了研讨会。     

中国木门窗发展趋势专家研讨会在京召开

6月28日,中国木门窗发展趋势专家研讨会在北京召开,出席会议的有中国木材与木制品流通协会木门专业委员会专家部主任曲丕良以及TATA木门、梦天木门等十几家木门窗企业代表。     

中国木门窗发展趋势专家研讨会在京召开

6月28日，中国木门窗发展趋势专家研讨会在北京召开，出席会议的有中国木材与木制品流通协会木门专业委员会专家部主任曲丕良以及TATA木门、梦天木门等十几家木门窗企业代表。     

2016我国木门行业年度数据

<正>2017年3月14日,中国林科院木材工业研究所木制品研究室主任、中国林产工业协会木门窗分会秘书长张占宽研究员在"中国木制品绿色发展论坛"上做了"中国木门窗产业发展现状与绿色发展"主旨演讲。张占宽研究员指出,2016年我国木门产值超过1 400亿元,木窗产值约500亿元,增长超过8%;木门企业数量约1万家,     

"门"庭若市京城论道——记首届中国木质门窗高峰论坛

2007年12月8日,首届中国木质门窗高峰论坛"在北京安徽大厦隆重举行. 近年来,随着我国房地产业的高速发展,我国木质门窗业也得到了快速发展,越来越多的优秀企业脱颖而出,形成了具有一定规模的朝阳产业.与此同时,随着市场竞争以及全球贸易一体化进程的加剧,中国木质门窗行业也面临着新的挑战.为了培育我国木质门窗企业的品牌意识,提升行业整体素质,促进产业健康有序发展,中国林产工业协会特主办此次高峰论坛.论坛邀请了政府有关部门、业内专家、学者、国内知名企业高层做主题演讲,理性、客观地分析了中国木质门窗行业发展状况,就产业政策、品牌建设、产品标准、出口市场发展趋势及市场营销等方面的问题进行研讨.     

Reliable identification of grapevine rootstock varieties using RAPD PCR on woody samples

Since grapevine ( Vitis spp .) rootstock material is being traded increasingly as disbudded woody material a lack of distinctive morphological features on such material necessitates an alternative and reliable means of identification. Methods described here were developed for rapid and efficient extraction of DNA from woody samples rich in phenolic compounds and polysaccharides, and for subsequent identification of varieties by RAPD PCR. Using these methods, and with the application of only one selected RAPD primer, we were able to differentiate sixteen rootstock varieties, including the seven varieties most commonly used in Germany. Problems commonly encountered with reproducibility of RAPD patterns were avoided by choosing primers with a dinucleotide sequence and a high G/C content that allowed a rather high annealing temperature of 45°C. Methods described here should also be useful for other horticultural crops, especially those with woody tissues rich in phenolic compounds and polysaccharides.     

An internet compendium of analytical methods and spectroscopic information for monomers and additives used in food packaging plastics

An internet website (http://cpf.jrc.it/smt/) has been produced as a means of dissemination of methods of analysis and supporting spectroscopic information on monomers and additives used for food contact materials (principally packaging). The site which is aimed primarily at assisting food control laboratories in the European Union contains analytical information on monomers, starting substances and additives used in the manufacture of plastics materials. A searchable index is provided giving PM and CAS numbers for each of 255 substances. For each substance a data sheet gives regulatory information, chemical structures, physico-chemical information and background information on the use of the substance in particular plastics, and the food packaging applications. For monomers and starting substances (155 compounds) the infra-red and mass spectra are provided, and for additives (100 compounds); additionally proton NMR are available for about 50% of the entries. Where analytical methods have been developed for determining these substances as residual amounts in plastics or as trace amounts in food simulants these methods are also on the website. All information is provided in portable document file (PDF) format which means that high quality copies can be readily printed, using freely available Adobe Acrobat Reader software. The website will in future be maintained and up-dated by the European Commission's Joint Research Centre (JRC) as new substances are authorized for use by the European Commission (DG-ENTR formerly DGIII). Where analytical laboratories (food control or other) require reference substances these can be obtained free-ofcharge from a reference collection housed at the JRC and maintained in conjunction with this website compendium.     

Aroma characterization of various apricot varieties using headspace–solid phase microextraction combined with gas chromatography–mass spectrometry and gas chromatography–olfactometry

The characterization of the aromatic profile of several apricot cultivars with molecular tracers in order to obtain objective data concerning the aromatic quality of this fruit was undertaken using headspace–solid phase microextraction (HS–SPME). Six apricot cultivars were selected according to their organoleptic characteristics: Iranien, Orangered, Goldrich, Hargrand, Rouge du Roussillon and A4025. The aromatic intensity of these varieties measured by HS–SPME–Olfactometry were defined and classified according to the presence and the intensity of grassy, fruity and apricot like notes. In the six varieties, 23 common volatile compounds were identified by HS–SPME–GC–MS. Finally, 10 compounds, ethyl acetate, hexyl acetate, limonene, β-cyclocitral, γ-decalactone, 6-methyl-5-hepten-2-one, linalool, β-ionone, menthone and (E)-hexen-2-al were recognized by HS–SPME–GC–O as responsible of the aromatic notes involved in apricot aroma and considered as molecular tracers of apricot aromatic quality which could be utilized to discriminate apricot varieties.     

Tests of potential functional barriers for laminated multilayer food packages. Part I: Low molecular weight permeants

The advent of the functional barrier concept in food packaging has brought with it a requirement for fast tests of permeation through potential barrier materials. In such tests it would be convenient for both foodstuffs and materials below the functional barrier (sub-barrier materials) to be represented by standard simulants. By means of inverse gas chromatography, liquid paraffin spiked with appropriate permeants was considered as a potential simulant of sub-barrier materials based on polypropylene (PP) or similar polyolefins. Experiments were performed to characterize the kinetics of the permeation of low molecular weight model permeants (octene, toluene and isopropanol) from liquid paraffin, through a surrogate potential functional barrier (25 μm-thick oriented PP) into the food simulants olive oil and 3% (w/v) acetic acid. These permeation results were interpreted in terms of three permeation kinetic models regarding the solubility of a particular model permeant in the post-barrier medium (i.e. the food simulant). The results obtained justify the development and evaluation of liquid sub-barrier simulants that would allow flexible yet rigorous testing of new laminated multilayer packaging materials.     

Chlorohydrins of bisphenol A diglycidyl ether (BADGE) and of bisphenol F diglycidyl ether (BFDGE) in canned foods and ready-to-drink coffees from the Japanese market

BADGE.2HCl and BFDGE.2HCl were determined in 28 samples of ready-to-drink canned coffee and 18 samples of canned vegetables (10 corn, 5 tomatoes and 3 others), all from the Japanese market. HPLC was used as the principal analytical method and GCMS for confirmation of relevant LC fractions. BADGE.2HCl was found to be present in one canned coffee and five samples of corn, BFDGE.2HCl in four samples of canned tomatoes and in one canned corn. No sample was found which exceeded the 1mg/kg limit of the EU for the BADGE chlorohydrins. However the highest concentration was found for the sum of BFDGE.2HCl and BFDGE.HCl.H₂O at a level of 1.5mg/kg. A Beilstein test confirmed that all cans containing foods contaminated with BADGE.2HCl or BFDGE.2HCl had at lest one part coated with a PVC organosol.     

European priorities for research to support legislation in the area of food contact materials and articles

A strong science base is required to underpin the planning and decision-making process involved in determining future European community legislation on materials and articles in contact with food. Significant progress has been made in the past 5 years in European funded work in this area, with many developments contributing to a much better understanding of the migration process, and better and simpler approaches to food control. In this paper this progress is reviewed against previously identified work-areas (identified in 1994) and conclusions are reached about future requirements for R&D to support legislation on food contact materials and articles over the next 5 or so years.     

Analysis of benzo[a]pyrene in spiked fatty foods by second derivative synchronous spectrofluorimetry after microwave-assisted treatment of samples

A simple, rapid and inexpensive method has been developed for the determination of benzo[a     

The development of reference materials for paralytic shellfish poisoning toxins in lyophilized mussel. II: Certification study

This paper describes the second part of a project undertaken to develop certified mussel reference materials for paralytic shellfish poisoning toxins. In the first part two interlaboratory studies were undertaken to investigate the performance of the analytical methodology for several PSP toxins, in particular saxitoxin and decarbamoyl-saxitoxin in lyophilized mussels, and to set criteria for the acceptance of results to be applied during the certification exercise. Fifteen laboratories participated in this certification study and were asked to measure saxitoxin and decarbamoyl-saxitoxin in rehydrated lyophilized mussel material and in a saxitoxin-enriched mussel material. The participants were allowed to use a method of their choice but with an extraction procedure to be strictly followed. The study included extra experiments to verify the detection limits for both saxitoxin and decarbamoyl-saxitoxin. Most participants (13 of 15) were able to meet all the criteria set for the certification study. Results for saxitoxin.2HCl yielded a certified mass fraction of <0.07 mg/kg in the rehydrated lyophilized mussels. Results obtained for decarbamoyl-saxitoxin.2HCl yielded a certified mass fraction of 1.59+/-0.20 mg/kg. The results for saxitoxin.2HCl in enriched blank mussel yielded a certified mass fraction of 0.48 +/- 0.06 mg/kg. These certified reference materials for paralytic shellfish poisoning toxins in lyophilized mussel material are the first available for laboratories to test their method for accuracy and performance.     

Announcing a new international peer-reviewed journal:Food Science and Human Wellness now accepting manuscript submission in English

<正>We are pleased to announce the launch of a new international peer-reviewed journal-Food Science and Human Wellness,ISSN 2213-4530,which is an open access journal,produced and hosted by Elsevier B.V.on behalf of Beijing Academy of Food Sciences.Food Science and Human Wellness is an international peer-reviewed English journal that provides a forum for the dissemination of the