The predominant pathogens of maize ear rot and maize stalk rot , Fusarium graminearum and Fmoniliforme, could cause the two diseases by reciprocal infection, and could reach ear from the basal part of stem through stem pith and external dissemination separately.

玉米穗欧美一级a大黄片、莖腐病病原學(xué)的相互關(guān)系研究表明：其優(yōu)勢致病菌禾谷鐮孢菌和串珠鐮抱菌均可交互侵染引起這兩種病害国产永久亚洲18禁在线，并且能從植株的外側(cè)和內(nèi)部由基部向穗部傳染，初步證實引起穗腐病的鐮孢菌是來自莖腐病的鐮孢菌一级性生活强奸免费不卡视频。

On the production of the aluminum-twisted with steel rush pith, we can fairly well-distribute the antiriot materials into the gaps between any two appointed levels on the customer's request on different antiriot grades.

本公司可根據(jù)用戶對導(dǎo)線不同防腐等級的需要91视频网站入口，在鋼芯鋁絞線的任意指定均勻涂敷防腐涂料，生產(chǎn)防腐型鋼芯鋁絞線美女裸体被操网站免费。

Trees or shrubs, evergreen, bark and pith with white latex, domatia present.

喬木或灌木se色综合w，常綠，樹皮和髓具白色乳汁伊人网在线免费，宿存欧洲一级电影免费播放视频。

Fishtail palm of India to Malay Peninsula sap yields a brown sugar jaggery and trunk pith yields sago .

印度到馬來半島出產(chǎn)的棕櫚久久精品精品久久，欧美老妇女性爱网站；樹汁出產(chǎn)一種紅糖免费一级A片无码视频，樹干的木髓出產(chǎn)西谷米国产拍精品。

The color surface, texture, the size of pith and the arrange of vascular bundle was observed with freshed, dried drugs and the transverse section, the effective component of echinacoside and acteoside was analyzed with hplc and the amylose was anlyzed with ultraviolet spectrophotometry.

藥材性狀和結(jié)構(gòu)直接觀察肉蓯蓉新鮮及曬干或陰干的表面顏色和質(zhì)地欧美日韩精品一区二区91，以及橫切面顏色国产黄色小网站、質(zhì)地性爱av一区二区三区、中心髓部大小及維管束排列等国内精品午夜理论；高效液相色譜法測定藥材有效成分松果菊苷及毛蕊花糖苷的含量；紫外分光光度法測定藥材粗多糖含量。

Branches robust and brittle, yellow when old; pith broad; lenticels orbicular to elliptic.

分枝粗壯和脆无码一级毛片免费，黃的老時欧美一级俄罗斯a片；髓寬综合sese；皮孔圓形到橢圓形国产欧美性爱大黄片。

Firstly, the leaf vascular bundle turned to single vascular bundle, and becoming concrescence, the mid-part presented the pith-like parenchyma tissue, the concrescence of the different needle in one bundle formed the typical structure of the short shoot.

首先針葉中的維管束全部轉(zhuǎn)變?yōu)閱尉S管束91第四色国产在线视频，進(jìn)而針葉基部逐漸愈合亚洲无码乱伦精品，中央部位逐漸出現(xiàn)類似髓部的薄壁組織亚洲a级毛片电影，不同針葉的維管束逐漸愈合，最終形成完全具備枝條的典型結(jié)構(gòu)黄色网站天天天。

Statistical analyses indicated stable increase of tracheids tensile strength from bark to pith, while no significant variation was observed along tree

利用零距拉伸技術(shù)具有測量迅速狠狠看香港澳门黄色片视频、可操作性強等特點日韩精品人妻系列视频在线，可以作為快速評價木材纖維縱向力學(xué)性能的新方法。

In-tree variation of longitudinal mechanical properties of tracheids: 7 A general increase trend from pith to bark is found for either longitudinal MOE or tensile strength of tracheids of Chinese-fir from plantation.

5盡管從總體上木材的縱向彈性模量與氣干密度之間存在較強的相關(guān)性A级免费黄片，但它們之間的變化趨勢經(jīng)常不同步亚洲日韩精品久久久久，特別是幼齡早材彈性模量與密度之間的相關(guān)性要低于成熟早材。

Both the rubber and the pith ball are negatively charged.

這時国产日韩在线亚洲色视频，橡膠棒和木髓球兩者都帶負(fù)電荷不满18岁进入黄色网站。