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- The technology of stress wave nondestructive testing(NDT) can be used to detect size,specification,and basic physical property of wood on the premise of nondestructive performance. 應力波木材無(wú)損檢測技術(shù)可在不破壞木材使用性能的前提下,快速的檢測出木材的尺寸、規格和基本物理性質(zhì)等,基于此優(yōu)點(diǎn),應力波無(wú)損檢測技術(shù)近幾年越來(lái)越受到青睞。
- Because of the depolymerization, chemical and physical properties of wood could be changed quite a lot by white rot fungi.In recent years, tremendous progress has been obtained in research fie... 近年來(lái)，在白腐菌的營(yíng)養需求、降解酶傳遞途徑、對木材主要組成酶降解機理及對材性的影響、產(chǎn)酶的分子遺傳學(xué)等領(lǐng)域的研究均取得一定進(jìn)展，可望不久將來(lái)能利用生物工程改變白腐菌基因，防止白腐發(fā)生。
- Physical property of wood from plantation and natural forest of Michelia tsoi Dandy 樂(lè )昌含笑人工林和天然林木材物理性質(zhì)的比較
- Compare the physical properties of the two substances. 比較一下這兩種物質(zhì)的物理特性。
- Keywords wood science;Mytilaria laosensis;plantation;physical properties of wood;mechanical properties of wood; 木材學(xué);米老排;木材物理性質(zhì);木材力學(xué)性質(zhì);
- DIMENSIONAL STABILITY AND PHYSICAL PROPERTIES OF WOOD TREATED WITH LOW-TOXIC PRESERVATIVES SUCH AS CHLOROTHALONIL, ACQ AND COPPER CITRATE 低毒防腐劑百菌清及銅制劑對木材尺寸穩定及力學(xué)性能的影響
- The raw materials, equipments, technology, physical properties and surfacing of wood imitating PU foam were reported in the paper. 摘要主要闡述聚氨酯仿木料的原料、設備、工藝及其制品的性能和表面處理。
- The raw materials,equipments,technology,physical properties and surfacing of wood imitating PU foam were reported in the paper. 主要闡述聚氨酯仿木料的原料、設備、工藝及其制品的性能和表面處理。
- The result can display the basic physical property of roll motion of tuned liquid dampers (TLD). 計算考慮了柯氏力和離心力，其結果能顯示出TLD搖動(dòng)的基本物理特征。
- physical properties of wood 木材物理性質(zhì)
- In this paper,the experimental results on physical property of Chinese torreya was introduced and analyzed. 測定了香榧和榧仁的外形尺寸、殼厚、殼與仁間隙、破壞載荷及變形等物理特性參數,并進(jìn)行了分析。
- The thermoplastic wood plastic composite(WPC) is a novel composite which has both mechanical property of wood andeasy processablity of thermoplastic plastics. 熱塑性木塑復合材料(WPC)是一種兼有木材的力學(xué)性能和熱塑性塑料易加工的新型材料。
- It mainly relates anti-agiag effect of PTNP in NR and diene synthetics and effect on physical property of the abovementioned compound. 主要介紹防老劑PTNP在天然橡膠和二烯類(lèi)合成橡膠中的防老化效果及對膠料物理機械的影響。
- On the basis of well, drilling core and test data, second well interpretation model of physical property of reservoir bed had been built. 基于測井、取心、測試等資料，建立了儲層“四性”參數的二次測井解釋模型；
- To develop bamboo char fiber product,physical property of bamboo char fiber was tested,and compared with viscose fiber and bamboo fiber. 為開(kāi)發(fā)竹炭纖維產(chǎn)品,測試了竹炭纖維的物理性能,并與粘膠纖維、竹纖維進(jìn)行比較。
- This is a key concept in wood design since moisture affects the physical and mechanical properties of wood differently depending on whether the MC% is above or below the FSP. 因為含水量影響木材的結構屬性，所以木材這種吸收和釋放水分的能力對于木材設計來(lái)說(shuō)是相當重要的。
- This paper introduces the structure and physical property of, natural gas hydrate (NGH).The hydrate has its special clathrate structure. 摘要介紹了天然氣水合物(NGH)的結構及物理性質(zhì)。
- Conclusion: Physical property of LW-special efficacy insecticide against cockroach is steady.It is convenient in use ad it has little smell and mark. 結論:LW-特效滅蟑乳油物理性狀穩定,使用方便,施藥時(shí)氣味低、痕跡小,有廣泛的應用前景。
- The topological and physical property of nano-particle will be directly affected by the charge and size of its precursor. 通過(guò)密立根油滴實(shí)驗技術(shù)改造,提出了調制電場(chǎng)納微顆粒荷電量和粒徑測量技術(shù)。
- The basic properties of wood such as moisture content, density, grain direction and modulus of elasticity can be measured nondestructively. 摘要與木材材質(zhì)有關(guān)之因數如含水率、比重、木理走向、彈性系數等可藉破壞或非破壞方法來(lái)測定或推定。
