我国塑钢门窗面临的主要问题及发展趋势

介绍了我国塑钢门窗的应用现状,分析了目前我国塑钢门窗面临的主要问题及未来发展趋势,并提出了未来我国塑钢门窗仍可与铝合金门窗共享市场,彩色无铅平开塑钢门窗将得到广泛应用,铝合金内衬塑钢门窗将是一个好的发展趋势。     

加拿大石油石化市场的国际贸易机会与策略分析

分析了加拿大的资源和市场开发价值,以及加拿大的国际贸易机会和国际贸易环境,在此基础上,提出了进入加拿大石油石化市场的策略。     

The pigmentation of dark brown rigid PVC window frames in central Europe

Europe has experienced phenomenal growth in the market share of rigid vinyl windows. The American market has shown intensified interest in dark brown rigid vinyl windows. European experience with these pigmentation systems provides a useful data base for designing these dark brown shades suitable for use in North American climatic conditions. Criteria for pigment selection are discussed, including the suitability of both organic and inorganic pigments. Test data are provided for selected pigment systems to show their suitability with regard to several application parameters. The contribution of other additives to appearance retention of colored rigid PVC is discussed. Typical formulations are presented in detail.     

Place of rapeseed in the edible oil market

The potential for rapeseed oil in the world edible oil market is evident in the statistics of net exports of the principal vegetable oilseeds from primary producing countries. The last complete year for which figures are available is 1970, and in that year soybeans accounted for some 52% and rapeseed only 7.5% in oil equivalent. Since soybeans have only ca. 50% of the oil content of rapeseed, they are bought mainly for their yield of high protein meal. Conversely, rapeseed is bought for its oil content and produces a meal that is not only lower in protein but up to this time has been less acceptable as an ingredient in animal feed formulations. Fortunately for rapeseed, these problems are being tackled diligently and should be overcome in the near future. When this point has been reached, rapeseed will be a much stronger competitor in world markets for protein meal. The trend in the use of rapeseed oil in the Canadian domestic market is an indicator of the potential in world markets. It is displacing other edible oils that have dominated the Canadian market in the past. In the 1971 calendar year, 35.6% or 160.5 million pounds, i.e., 73,000 metric tons, of vegetable oil used in the manufacture of margarine, shortening and salad oils was rapeseed oil. Rapeseed oil is competing keenly with soybean oil in the Canadian market and in the future should be able to greatly enlarge its share of world trade. One of six papers presented in the symposium “Rapeseed Marketing and Breeding,” AOCS Meeting, Ottawa, September 1972.     

中国玻璃钢门窗的发展现状及趋势

本文详细介绍了我国门窗市场情况 ,重点介绍玻璃钢门窗的优点和市场应用科学。     

有机硅密封胶在建筑上的应用

概述了建筑业常用的脱醋酸型、脱醇型、脱肟型、脱酰胺型有机硅密封胶的特点,有机硅密封胶在玻璃幕墙装配、门窗装配、石材幕墙装配、中空玻璃密封、路面及机场跑道和停机坪嵌缝中的应用情况,我国有机硅建筑密封胶的生产及市场情况,以及未来的发展机遇及存在问题.     

A Look at the Future of Bleaching,Dyeing and Finishing Polyester-Cotton

Held at The Post House Northenden Manchester, on 6 November 1974, the President of the Society, Mr J. Rigg, in the chair. The Canadian textile industry and market are discussed with special reference to consumer requirements. Modem plant for the continuous preparation, dyeing and finishing of polyester-cotton cloth is described. Energy and chemical conservation and effluent control are discussed briefly     

PVC型材行业的发展趋势及应对措施

阐述了PVC门窗行业的前景和消费趋势与市场机遇,分析了PVC型材行业发展的外部影响因素、竞争状况、面临的挑战,以及房地产变革时期PVC型材企业的思维转变。     

关注防火玻璃材料及市场的发展与未来

防火玻璃是具有良好耐火性能的特种玻璃，是在发生火灾时，它能够控制火势，坚持长时间不丧失阻挡火焰和烟雾、隔绝高温的作用，从而为人员、财产、建筑物的救护创造了重要条件，最大限度地降低了损失。针对高层建筑离不开防火安防玻璃，论述了防火安防玻璃的优越性能，分析了防火玻璃门窗材料及其构件的技术要求，研究了防火玻璃的主要生产工艺，介绍了防火玻璃的应用，同时指出了防火玻璃的市场发展与需求。     

中国东部窗户能耗模拟及节能分析

分析了窗户热传递传热及太阳辐射得热的传热计算模型。依据南京地区典型年逐时气象参数 ,采用计算机逐时模拟得到窗户由热传递传热及太阳辐射引起的全年逐月能耗 ,得出减少南京地区全年空调建筑物由热传递及太阳辐射引起的窗户能耗的 3条措施 :1)建筑物长为南北向 ,宽为东西向 ,使得东西向窗户面积尽可能减少 ;2 )增加窗户或玻璃层数 ;3)用塑窗代替钢窗。     

Moving science forward in a competitive marketplace

Scientific information is the foundation of the food and health market, the availability of which can influence the success of a product and provide a competitive advantage. Flaxseed (Linum usitatissimum) has a significant advantage in this regard as it has strong clinical efficacy data that can be used to build consumer and food product company interest. Flax is an oilseed that is grown in cool, northern climates such as found in the western Canadian prairies and northern U.S. It can be consumed in whole seed, meal or oil form.     

The effect of thermochromic coatings of VO2 on the fire performance of windows

The effect of thermochromic coatings of vanadium dioxide (VO₂) on the fire performance of windows was experimentally tested. Prototypes were subjected to radiant heat and the radiation transmitted through the specimens was measured as a function of time. The results indicate that windows coated with VO₂ can reduce radiative heat transfer from fires and thereby also reduce or prevent fire spread. The results clearly show that VO₂ coatings on BK7 substrates hinder approximately 30% of the transmission of radiation from fire sources when compared with the performance of uncoated windows. It is expected that VO₂ will not be solely implemented for the purpose of increasing fire performance of windows, but it will rather provide a secondary positive effect if such windows are realized for energy‐saving purposes.     

塑料门窗的抗风压性能计算

指出了塑料门窗抗风压性能计算的重要性,详细介绍了塑料门窗抗风压的计算方法并给出了计算实例,提出了提高塑料门窗抗风压性能的具体措施。     

Optical,thermal and mechanical properties of CVD diamond

The exceptional combination of mechanical, thermal, chemical and optical properties of diamond make this material an ideal choice for numerous applications in which materials are required to operate in adverse environments exposed to abrasion or chemical attack, or in situations requiring the dissipation of extreme levels of power, such as windows for high power lasers. Progress in the synthesis and processing of chemical vapour deposition (CVD) diamond achieved at De Beers¹ Industrial Diamond Division (Debid) has opened many of these applications by bringing to the market a diamond material this is available in large areas, in industrial quantities and with the high quality and reproducible properties needed to meet the demanding requirements of the industry. This paper will review the properties of the different CVD diamond material grades used in optical, thermal and mechanical applications.     

提高PVC塑料门窗保温性能的一些措施

建筑门窗是建筑外围护结构保温性能最薄弱的部位。本文通过建筑外窗的能耗方式及影响因素、门窗保温的必要性等的论述,指出了提高PVC塑料门窗保温性能的一些措施。     

提高塑料门窗保温性能的方法和措施

简述了影响塑料门窗能耗的因素,着重阐述了通过增加门窗密封层数、增加塑料异型材截面尺寸厚度、增加塑料异型材保温腔室、采用质量好的五金件等方式来提高塑料门窗的保温性能。     

Canadian Developments in Kiln Drying

The objective of this paper is to summarize recent trends related to industrial kiln drying with especial emphasis on the drying of softwood dimension lumber in Canada. The paper explores future trends by analyzing the current market condition and wood products requirements. The paper also summarizes current research developments in the area of kiln lumber drying that was published by Canadian universities and research institutes. This includes basic research, such as wood physics and computer simulation, and applied research, such as non-conventional drying strategies and new technologies and sensors. A last note is also included to mention a kiln supervisor tool that was developed in Canada to analyze information related to kiln performance indicators. The kiln supervisor provides important trends for mills aiming to optimize their drying processes and realize gains without substantial investments in capital and other resources.     

Low-E镀膜中空玻璃窗的能量平衡探讨

介绍了各种结构Low-E中空玻璃窗的传热性能,对窗户各个朝向的能量平衡进行了分析,说明通过Low-E中空玻璃窗户能更多地获得太阳能,同时可以减少建筑物能耗.建议根据建筑物的方向不同,在窗户的设计上也应有相应的差别.     

PVC塑料门窗质量因素分析

PVC塑料门窗的质量要求包括材料质量要求、门窗质量要求、安装质量要求等本文主要指出PVC塑料门窗这些质量要求是其生存发展的根本条件。     

被动式超低能耗建筑用外窗

介绍了国内外被动式超低能耗建筑发展现状,其外窗的性能指标,以及外窗对型材、玻璃、密封、遮阳、安装等的技术要求。