Research on the ecological restoration area in Wuxi country in the reservoir area of three gorges, which considering China Armand pine and mason pine as the dominant plant of the mixed broadleaf-conifer forest including fir-mason pine of mixed forest, cypress-mason pine of mixed forest and pure filbert forest of the soil.

對三峽庫區(qū)巫溪縣生態(tài)修復區(qū)以華山松為優(yōu)勢樹種的針闊混交林、馬尾松為主的針闊混交林欧美又粗又大午夜AAA级、杉木-馬尾松為主的混交林无码日韩免费专区迅雷下载、柏樹-馬尾松混交林、榛子純林與對照地土壤的化學性質(zhì)進行了對比研究国产午夜AAAA福利片。

Hence, the modulus of rigidity, G, of glulam was measured by vibration test method in order to realize the shear deflection effect. The E/G values of Japanese cedar, Taiwania, Douglas-fir, and southern pine glulam were ranged form 13.2 to 14.5, 14.6 to 16.6, 12.1 to 16.6 and 16.0 to 19.1, respectively. The pure MOE was also obtained. The Ep and MOR values of glulam were ranged from 10.6 to 13.4 GPa and 48.3 to 61.9 MPa for Japanese cedar, ranged from 12.1 to 15.0 GPa and 41.8 to 58.8 MPa for Taiwania, ranged from 10.5 to 16.4 GPa and 37.2 to 65.6 MPa for Douglas-fir, ranged from 14.5 to 20.6 GPa and 70.2 to 78.48 MPa for Southern pine, respectively.

而消除剪力撓曲影響亚洲中文字幕va毛片在线，即可得集成材之抗彎彈性模數(shù)真實值與抗彎強度第一次处破女18分钟网站入口，依本研究配置所得之柳杉集成材之Ep值與MOR值分別為10.6-13.4 GPa與48.3-61.9 MPa5566影音先锋在线；臺灣杉集成材之Ep值與MOR值分別為12.1-15.0 GPa與41.8-58.8 MPa小黄片大全；花旗松集成材之Ep值與MOR值分別為10.5-16.4 GPa與37.2-65.6 MPa；南方松集成材之Ep值與MOR值分別為14.5-20.6 GPa與70.2-78.4 MPawww.狼友视频网站。

The company's products are mainly made of paulownia, as well as fir, pine and other kind of timbers.

本公司產(chǎn)品以桐木為主欧美黑人巨大又粗又长，兼有衫木、松木和其它木材毛片.com。

The results indicated that the permeability of chinese fir,masson's pine and Chinese sassafras increased when treatment pressure increased under 35 MPa;the permeability change rate of chinese fir increased to 493%,the highest at treatment temperature of 40℃,and the permeability change rate of mass...

結(jié)果表明美女福利操一操，在35 MPa內(nèi)，處理壓力的增大有利于3種木材滲透性的提高91精品视频在线无码；杉木在處理溫度為40℃時日韩AV无码久久一区二区，滲透性的變化率達到最大，為493%操人人看日日夜夜人人看操人人看，馬尾松和檫木在處理溫度為45℃時人人人人人人爱，滲透性的變化率達到最大，分別為479%和349%国产无码黄色网络；較佳的處理時間為30 min18岁禁看网站在线看。

We cultivate and harvest a variety of species including Eucalypts, Chinese fir, pine and others, ensuring plentiful and stable supply of wood fibre for our manufacturing facilities.

嘉漢板業(yè)種植及經(jīng)營的各類樹種包括桉樹、杉樹爱情岛网站亚洲禁18进入、松樹等AV在线免费观看那，為其生產(chǎn)基地提供充足及穩(wěn)定的木材原料。

The main timber with spruce, fir, pine, poplar and so on.

主要用材林有云杉美国黄色大片一区二区、冷杉操一操网站、油松、楊樹等欧美一级人片。

In this paper, the North subtropical cork oak forests, fir, pine torch, Mao bamboo and Chinese fir forest soil in the budding B, Mo, Cu, Zn, Fe, Mn and effective content distribution in soil profiles in the law affecting their effective of soil factors and the different stands on soil micro-nutrient contents.

將以下中文摘要翻譯成英文摘要本文研究了北亞熱帶栓皮櫟林饥渴老熟妇女人乱伦视频、杉木林、火炬松林无遮挡又黄又刺激的视频网站、毛竹林和杉木萌芽林土壤中B黄片视频在线免费观看高清无码、Mo、Cu国产美女色诱视频免费、ZnAV网站中文、Fe、Mn的有效含量日韩高清在线精品观看、在土壤剖面中的分布規(guī)律日韩经典自拍电影院在线播放网站、影響其有效性的土壤因子以及不同林分對土壤微量養(yǎng)分含量的影響。

Production of the European pine, Finland wood, southern pine, Canadian red cedar, fir, pine, Russian pine and various sub-Catalpol wood line anti-corrosion products, carbonized wood, fire-retardant material had been used for residential quarters, villas, parks, squares, etc..

生產(chǎn)的歐洲松国产AV网能看,久久精品,蜜臀、芬蘭木欧美精品免费、南方松美女黄的视频全免费一区二区、加拿大紅雪松、杉木真正免费的毛片免费的毛片、赤松蜜桃无码成人影片在线观看网站免费、俄羅斯梓子松及各類木線防腐制品、炭化木香蕉视频A片、阻燃材已應用于住宅小區(qū)免费一级在线欧美视频网站、別墅、公園久久AV老司机精品网站导航、廣場等場所国产精品福利导航。

In the fire performance study, the charring rate of side and bottom were ranged from 0.587 to 0.750 mm/min and 0.709 to 0.897 mm/min for China fir glulam, 0.643 to 0.770 mm/min and 0.644 to 0.911 mm/min for Japanese cedar glulam, 0.608 to 0.757 mm/min and 0.614 to 0.817 mm/min for Taiwania glualm, 0.588 to 0.627 mm/min and 0.632 to 0.694 mm/min for Douglas-fir glulam, and 0.530 to 0.568 mm/min and 0.566 to 0.583 mm/min for Southern pine glualm, respectively. The results indicated that the charring rate in all glulam showed a decreasing order in Taiwania＞Japanese cedar ＞China fir ＞Douglas-fir＞Southern pine glulam.

集成材之火災特性上，炭化速度方面：杉木集成梁側(cè)面之炭化速度為0.587 - 0.750 mm/min韩国精品无码永久在线观看；底面之炭化速度為0.709 - 0.897 mm/min亚洲中文字幕精品久久HD；柳杉集成梁側(cè)面之炭化速度為0.643 - 0.770 mm/min；底面之炭化速度為0.644 - 0.911 mm/min超碰98人妻；臺灣杉集成梁側(cè)面之炭化度為0.608 - 0.757 mm/min欧美黄色乱轮；底面之炭化速度為0.614 – 0.817 mm/min；花旗松集成梁側(cè)面之炭化速度為0.588 - 0.627 mm/min在线观看国内精品va；底面之炭化速度為0.632 - 0.694 mm/min黄色九九热视频；南方松集成梁側(cè)面之炭化速度為0.530 - 0.568 mm/min；底面之炭化速度為0.566 - 0.583 mm/min黄色网站毛片，有南方松集成材優(yōu)於花旗松集成材中文字幕一区二区久久综合，依序為杉木集成材、柳杉集成材最新最近中文字幕视频、臺灣杉集成材之趨勢一级欧美一级日韩一级二级。

After standard fire exposure test, the bending properties of glulam decreased with the fire exposure time increasing. The values of MOE and MOR decreased respectively from 4.1 GPa to 2.5-3.8 GPa and 48.2 MPa to 27.1-36.6 MPa for China fir glulam, from 5.3 GPa to 3.7-4.6 GPa and 54.8 MPa to 23.0-39.4 MPa for Japanese cedar glulam, from 5.3 GPa to 3.4-4.7 GPa and 51.4 MPa to 21.8-38.6 MPa for Taiwania glulam, from 7.7 GPa to 6.6- 6.9 GPa and 62.7 MPa to 33.2-40.8 MPa for Douglas-fir glulam, from 6.0 GPa to 4.4-5.3 GPa and 58.9 MPa to 26.4-42.1 MPa for Southern pine glulam.

經(jīng)燃燒試驗后，集成材之力學性質(zhì)上美女网站视频免费国产，集成材之抗彎強度會隨燃燒時間之增加而降低欧美熟妇全黄A片，其中，杉木集成材之MOE值由4.1 GPa降至2.5 - 3.8 GPa内地自拍日韩精品视频在线，MOR值由48.2 MPa降至27.1 - 36.6 MPa爱看AV网站；柳杉集成材之MOE值由5.3 GPa降至3.7 - 4.6 GPa，MOR值由54.8 MPa降至23.0 - 39.4 MPa久久无码免费视频；臺灣杉集成材之MOE值由5.3 GPa降至3.4 - 4.7 GPa插插爽视频，MOR值由51.4 MPa降至21.8 - 38.6 MPa；花旗松集成材之MOE值由7.7 GPa降至6.6 - 6.9 GPajjzz播视频，MOR值由62.7 MPa降至33.2 - 40.8 MPa国产偷自区；南方松集成材之MOE值由6.0 GPa降至4.4 - 5.3 GPa，MOR值由58.9 MPa降至26.4 - 42.1 MPa。