花圣紫薇

人间六月芳菲尽，山上紫薇始盛开。紫薇花开的时候，远看，只见枝梢花穗累累，满树花团锦簇，彰显出热烈的气氛，宛如绚丽的云霞，灿烂无比。近看，串串花穗结满了许多圆如青豆的花蕾，有的青绿，有的绿里泛红，含苞待放。正在绽开的花蕾，花瓣攒聚着，皱缩着，活像一朵朵小小的康乃馨，已经盛开的花蕾，浅红色的花瓣向外飞扬，     

建设生态嘉兴

以新塍塘，苏州塘，长纤塘，平湖塘，海盐塘，嘉善塘，长水塘，杭州塘八条水系为绿廊，形成水绿交融，城乡交汇 ，植物多样，景观优美的“一心，三环，三园，三楔，八带”绿化大格局的建设思路，并把该规划纳入城市总体规划。     

坚定的信念 无悔的选择——记安徽省郎溪县方里村林场场长刘傲柱

光阴荏苒，日月如梭，回首往事，历历在目。1984年春天，30岁出头的刘傲柱，英姿勃发，踌躇满志，怀着对林业事业的满腔热情来到安徽省郎溪县方里村林场，挑起了场长的重任。转眼间，28年逝去。如今，花甲之年的刘傲柱，白了头，驼了背，酸甜苦辣尝遍，却依然无悔当初的选择。     

故乡的枣树

我的故乡在西岩山脚下，无论是房前屋后，还是田间地埂，以及荒原野坡，处处都有枣树的踪影，甚至在悬崖峭壁的石缝间也能茁壮成长，一株株，一片片，郁郁葱葱，生机盎然，漫山遍野，成林成坡，山下的片片枣树园是枣树林，山坡上的片片枣树园是枣树坡，誓与大地结缘，谱写着灿烂的生命之光。     

卧龙唱响英雄壮歌——追记四川省汶川卧龙特别行政区森林公安局副局长王刚

2008年5月16日是四川汶川卧龙森林公安局副局长王刚的42岁生日。就在这一天，他献出了自己宝贵的生命。王刚担任森林公安民警十多年来，始终牢记全心全意为人民服务的宗旨，始终保持共产党员的高尚品质，忠于党，忠于人民，以自己的平凡行动，努力实践“三个代表”重要思想，扎根偏远林区，以林为业，以警为荣，大公无私，勇于奉献，清正廉洁，为人诚实正直，以自己的言行，树立了人民警察的良好形象。     

中年话语

那英和王菲合唱的《相约98》音犹在耳，猛一抬头，竟然十年过去，2009年如约而至，揽镜自顾，虽还未衰老，但已身心疲惫，苦不堪言。转眼，自己也步人中年，也有了一番切身的感受。绿深成青，青化为黄，黄又被自所覆盖。绿、青、黄、白，这是一年四季中的颜色，也是人一生中，在黑与白的世界中，不断地轮回般穿越的颜色。亘古亘今的年月日时之链，凝结成了生命的年轮，凝结成了沧桑的一年年。人到中年，生活中的甜酸苦辣已尽品尝，     

抓住机遇把握大势全力推进鄂尔多斯林业现代化建设

全国防沙治沙现场会是我市林业建设史上召开的一次级别最高、规模最大、影响最为深远的会议。通过这次会议，鄂尔多斯市作为防沙治沙的典型，被推向了全国，推向了防沙治沙的前沿阵地，对我们来讲，这既是机遇，也是压力，我们必须保持清醒的头脑，把机遇变成责任，把挑战变成动力，把成绩看成压力，把问题看成潜力，在这个关键时刻，我们的信心不能动摇，精神不能松懈，     

发展城郊林业 建设和谐黄州

黄州区地处黄冈市郊，总面积3.6万hm^2，总人口37.5万，是一个面积不大的平原湖区，近几年来，以实现黄州林业的跨越式发展，建设林业强区为目标，扬长避短，突出城郊生态建设和产业建设为重点，以林业工程项目为支撑，初步建立以扬树速生丰产林基地，水果基地，     

杜鹃山庄游记

车队在盘山路上惊险驰行，两边的高山深谷缔造了神奇的景观，谷底树木翠绿，田野五彩缤纷，其间散落着青砖红瓦的农家小院，偶尔听到一两声雄鸡的啼鸣，陡峭而高耸的群山，长满了粗大的松树和千姿百态的乔灌木，我被这景色深深地吸引了，这里简直就是人间仙境，梦幻中，仿佛听到八仙的说笑声，蜿蜒起伏的水泥公路，时而隐藏于茂密的树林中，时而出现在悬崖旁，千回百转，我们终于到达了宿营地——杜鹃山庄，它是整个景区的低缓之处，山泉奔流而下，云雀低飞穿梭，欢迎着远方的游客。     

低产油茶树改造整形修剪技术

科学进行油茶树修剪，是促进低产油茶林改造与高产稳产的一项重要措施。成年油茶树性喜光，一年到头花果不离枝，需要大量的营养物质和充足的阳光，而自然生长的油茶林，树冠郁闭紊乱，枝头密生，交叉重叠，光照不足，容易衰老，树冠内枯枝增多，结果量少，而且常发生落果和大小年现象。实践证明，经过修剪的油茶植株，     

远距离供水灭火系统输水压力损失研究

将远距离供水灭火系统输水压力损失简化为沿程压力损失和局部压力损失两部分进行研究,并将局部压力损失简化为水流经快速密封接头的压力损失,对比分析了流速及输水距离对压力损失的影响。     

高层建筑供暖水系统与外网采取非静压隔绝直接连接的可行性分析

当静压线的高度以一般建筑内低压铸铁散热器的承压能力来确定时,高层建筑空调水系统或高区采暖系统能否与外网采取直接连接方式,且不使用阀前压力调解器与外网进行静压隔绝,而一般建筑内低压铸铁散热器还不超压,以达到节约初投资和方便运行管理的目的。     

远距离高压输送木片装置压力损失计算方法的研究

为了提高木片远距离高压压送计算的准确性,采用一种国际上流行的新的当量长度计算法,这种算法涵盖水平管段,垂直管段和所有弯头的压力损失计算,利用连续方程的质量守恒定律和等温过程的状态方程可以得到管道起点（供料器下的B点）和管道终点C（卸料点）的绝对静压力之差,即为BC管段的压力损失,加上其他损失即可得到该系统所耗损功率。     

轮胎气压监测系统发展动态

轮胎气压保持正常值是汽车行驶安全性和舒适性的重要保证，由于胎压的非正常而引发的交通事故频频发生。因此，能够对胎压进行实时监测就显得尤为重要。介绍了汽车轮胎气压监测系统的作用、基本构造及工作原理。较全面地叙述了国内外轮胎气压监测技术的研究成果及发展现状，同时对我国轮胎气压监测系统的未来做出了展望。     

柴油机电控单体式喷油器（EUI）开启压力测试装置

通过对柴油机电控单体式喷油器（EUI）结构特点与工作原理的研究,设计一套便捷、快速、精确的柴油机电控单体式喷油器（EUI）开启压力测试装置.装置采用气压驱动喷油器挺杆,喷油器加压使其开启喷油,计量装置采用安装压力传感器,通过压力传感器获得加在喷油器挺杆上力的变化信号,利用高性能单片机编程来处理此信号,最后输出喷油器开启喷油的油压变化规律曲线,测出喷油器开启压力数值.     

Calculation models of pressure and position of curved laminated veneer lumber in molds during pressing

Curved laminated veneer lumber (LVL) for use in furniture-making was produced from glue-coated pieces of rotary-cut veneers that were assembled and pressed between molds. Pressure was applied until glue-lines were set and finally held in an assembly of the desired curvature. Pressure was an important factor during pressing of curved LVL. In this study we deduced some equations for designing the shape of molds and calculating the total pressure from the mechanics. The results are summarized as follows: (1) The position angle of every section of curved LVL assembly in molds on the horizontal and the total pressure during pressing can be calculated in relation to the shapes and dimensions of the curved LVL. (2) The pressure distributions in the glue-line measured using pressure-sensitive film were in good agreement with the glue-line unit pressure provided for the experiment and calculation. Therefore, the equations deduced in this study were suitable for calculating the position angle and pressure of curved LVL in molds. (3) The total pressure on curved LVL was greater than the pressure on straight LVL. The total pressure consisted of the pressure on the glue-lines of straight LVL with the same length and width as curved LVL plus the supplementary pressure needed to bend the veneers. (4) The total pressures and position angles of curved LVL in molds were affected by the shape, bent angle, and length of each section of curved LVL.The outline of this study was presented at the 48th annual meeting of the Japan Wood Research Society, Shizuoka, April 3, 1998     

Review of the sufficiency of research on the swelling pressure of wood

Summary Terms used in relation to swelling pressure are first defined. The present status of knowledge of the swelling pressure of wood under various conditions is then briefly discussed.Methods are outlined for the determination of swelling pressure with restraint in one direction only and their limitations discussed. The method developed by Tarkow and Turner for the determination of swelling pressure when restraint is present in two directions is also referred to and outlined.Conclusions are then drawn from the present status of knowledge of swelling pressure in wood and gaps in this knowledge are indicated.     

Study on Wood Drying Properties under Vacuum-floating Pressure

Using Masson pine as specimens, when drying mediums are overheated steam and hot-air respectively, preheating characteristics of wood under vacuum-floating pressure drying are discussed by measurement of internal temperature field and variation of moisture content during period of preheating. The relationship between drying medium conditions and drying rate of wood reveals that, firstly, compared with process of air-drying, time needed to be preheated under vacuum-floating decreased dramatically, meanwhile, the magnitude of condensation on the surface is relatively larger. Secondly, drying rate of wood under vacuum-floating pressure increases coupled with temperature of medium, reduction of absolute pressure, and raise of fluctuation rate of pressure. The sequence of factors contribution to drying rate is listed as following: temperature of medium (t) > fluctuation rate of pressure (f)> absolute pressure (p).     

结构用集成材自动上下料装置真空吸附系统设计与试验

针对结构用集成材加工过程中上下料自动化程度低、劳动强度大、效率低等问题,设计了 一种真空海绵吸盘抓取结构用集成材自动上下料装置,实现结构用集成材的高效、自动化上下料作业.选用杉木结构用集成材在自动上下料装置上进行负压与供气压力关系试验和负压与海绵吸盘拉脱力试验.利用MATLAB软件,对试验数据进行最小二乘法函数曲线拟合...     

基于三维数值模拟的风力灭火机叶轮改进设计

风力灭火机的主要技术指标是出口全压与风量.其叶片形状是影响风机蜗壳内部流场结构、风机出口全压与流速的重要因素.通过对林海集团公司现有6MF-28风力灭火机内部流场的全压场与速度场进行三维数值模拟分析,对叶片形状进行了改进设计.数值分析表明,叶轮叶片改进后蜗壳内部流场得到明显改善,风机全压、出口速度及全压功率分别提高7%、3%和11%.