木材

Theopportunity of cross linking reaction between the wood of impreg PF resin treated by hightemperature(150℃-160℃)heating and free radical of wood increased.

木材和PF预聚物之间相互作用的机理可能是；①木材自由基活化了PF预聚物分子，产生-C＝O键；②PF预聚物浸注于木材中，经高温(150℃～160℃)加热处理同木材自由基发生各种复杂反应的机会多，形成化学交联。

To investigate the structure change and movement status of molecule in wood caused by different reagents, the dynamic viscoelastic properties of Chinese fir wood treated by NaClO3 , DMSO, DEA-SO2-DMSO and nontreated wood under the fiber saturated point, temperature from - 100-10℃ at frequencies between 0.5 and 10 Hz were examined by DMA.

为了弄清楚不同化学试剂处理引起木材内部分子构造的变化及其分子的运动状态，该研究针对杉木试材，采用动态粘弹性分析仪，测定了含水率在纤维饱和点状态下脱木索处理木材、DMSO处理木材和非晶化处理木材以及素材，在-100—10℃、0.5-10Hz的动态粘弹性。

The high speed lumber compound machining center was the woodworking machinery profession key equipment, this paper elaborates the present development Qituation of the contemporary woodworking profession, analyzes the princple of the high speed lumber compound machining center control system, takes UMAC as the core component and develops control system used in the high speed lumber compound machining center by combining its harduare with its soft wase.

高速木材复合加工中心是木工机械行业的关键装备，文中阐述了当代木材加工行业的发展现状，分析了高速木材复合加工中心控制系统的原理，并且以UMAC为核心器件，在配合其硬件和软件的基础上开发了一种用于高速木材复合加工中心控制系统。

PerMeability of Masson pine wood and the relationship between perMeability and water transfer during high teMperature drying were studied and discussed in this paper,a conclusion was Made that perMeability of wood has a very big effect on water transfer above fiber saturation point and less effect on water transfer under fiber saturation during high teMperature drying.

对马尾松木材的横向渗透性进行了测量，讨论了马尾松木材的渗透性与高温干燥中水分迁移的关系，认为在高温干燥过程中，纤维饱和点以上木材的渗透性对干燥过程中水分迁移速度的影响最大，纤维饱和点以下木材的渗透性对干燥过程中水分迁移速度的影响较小。

This thesis investigated the VOC emission from drying of Chinese fir and Eucalyptus plantation lumber in a pilot-scale kiln.

本论文以杉木、尾叶桉为研究对象，对木材精油和木材生材在常温状态下释放的有机挥发物成分进行了分析研究，重点研究了木材在高温和常规干燥条件下VOC释放成分，释放规律及影响因素，评价了木材干燥过程中VOC释放对环境的影响，为有效合理控制VOC排放和制定其排放标准提供了基础数据。

Wood drying is an important measure of improving wood"s physical mechanics performance, fair use of wood, reducing loss of wood"s downgrade, increasing utilization efficiency of wood. It is also one of the key techniques of guaranteeing woodworks quality.

木材干燥是改善木材物理力学性能、合理使用木材、减少木材降等损失、提高使用效率的重要措施，也是保证木制品质量的关键技术之一。

After a reaction time of about 100 min at room temperature, the silica sol was transformed into solgel, which was dried by supercritical drying technique to obtain woodnano-SiO2 aerogel. The chemical structure of wood-nano-SiO2 aerogels were studied by Fourier Transformation Infrared Spectroscopy.

应用FTIR方法对上述溶胶-凝胶法木材-SiO2气凝胶复合材料的结构进行了表征，结果表明，复合材料的FTIR特征基本上是由木材与SiO2气凝胶谱图加合而产生的，没有得到木材与SiO2气凝胶产生化学结合的明确证据，但是观察到气凝胶中Si-OH结构信息（844cm^-1）；部分木材-SiO2气凝胶复合材料试样中1735cm。

Unremitting pursuit goal is to deVelop high-performance wood adhesive by utilizing lowcost corn starch. The starch treated by composite modifier is used for the main raw materials of wood adhesive API which has been used and starch-based API has been deVeloped because poor water-resistance of traditional starch adhesive didn\'t meet requirement of wood bonding. Using for wood glued-product with the different requirement of shearing strength has been successful.

利用廉价的玉米淀粉开发绿色高性能木材胶粘剂是人类不懈追求的目标，论文针对传统的淀粉胶粘剂因耐水性差不能满足木材胶接需要的难题，将淀粉进行复合变性处理后作为水性高分子-异氰酸酯木材胶粘剂主要原料进行应用，研制出淀粉基API木材胶粘剂。

According to the structure of wood cell wall, the preparation of aerogel-type wood mainly includes three steps, namely the destruction of wood cell wall in S3 layer, the expansion of wood cell wall and supercritical drying.

根据木材细胞壁的结构，气凝胶型木材的制备主要包括3个步骤：木材细胞壁S3层的破坏；木材细胞壁的膨化；超临界干燥。

The research and development trends of wood fire retardants were predicted as follows:① Wawer-borne P-N-B fire retardant still will be the mainstream products in a long time, and the problems to be resoled will be the increasing durability and decreasing cost;② one of the main development trends of wood fire retardants will be the composition with multi-effects;③ research on smoke inhibiting;④ research and development of new fire retardant systems;⑤ fire retardants for thermo plastic-wood composites;⑥ development of environmental friendly fire retardants for wood.

认为，未来木材阻燃剂的主要发展方向：（1）一定时期内，水基型磷-氮-硼系阻燃剂仍将是主流产品，需要解决的主要问题是提高抗流失性、耐迁移性和降低成本；（2）一剂多效将成为木材阻燃剂的主要发展方向；（3）抑烟研究；（4）新阻燃体系开发；（5）热塑性塑料-木材复合材料用阻燃剂；（6）开发环境友好的新型木材阻燃剂。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。