pentagonal dodecahedron

The effects of automobile exhaust on chlorophyll fluorescence parameters of 4 tree species,Acer mono Malus bacata Pyrus ussuriensis and Acer ginnala were tested by means of fumigation in open top chamber.

采用开顶式熏气室研究了汽车尾气对五角槭、山荆子、山梨和茶条槭 4树种叶绿素荧光参数的影响。

In this paper,the gradient (0,10,50,100,200 mg·kg~ -1) of soil Cd concentrations was established by mixing CdCl_2 with soil and sand,and the growth responses of four northern broadleaved tree species Acer ginnala Pyrus ussuriensis,Acer mono and Malus baccata to soil Cd contamination were studied by growing their seedlings in pots in greenhouse.

采用盆栽方法,研究了4种北方阔叶树种茶条槭、山梨、五角槭和山荆子一年生苗木对土壤镉胁迫的生长反应和抗性。

Influence of beam turning error of pentagonal prism on wave-front measurement;

五角棱镜的光束转向误差对波前测量的影响

Effect of processed angle error of pentagonal prism on frontwave measurement;

五角棱镜的角度制造误差对波前测量的影响

Influences on the deflection angle of the pentagonal prism due to dithering and fabrication angles error;

五角棱镜制造角差及抖动对其转向角的影响

Comparison of volatiles from Anoplophora glabripennis (Motsch.) and methyl jasmonate (MeJA)-applied Acer mono Maxim to identify wound signal transduction pathways;

茉莉酸甲酯喷施和光肩星天牛(Anoplophora glabripennis(Motschulsky)咬食后五角枫释放的挥发物

[Method] With Fraxinus pennsylvanica,Eucommia ulmoides and Acer mono Maxim as tested materials and their branches as samples,the xylem vessels of nodes and internodes were anatomized and the contact angles were measured under the condition of rehydration.

[方法]以白蜡、杜仲和五角枫为试材,以枝条为样本,对节和节间木质部的导管进行解剖,在复水处理的条件下测定接触角。

A Study on the Volume and Velocity of StemSapflow of Betula dahurica and Acer mono Forests by the HeatPulse Technique;

应用热脉冲技术对棘皮桦和五角枫树干液流的研究

Salicylic acid(SA) in the leaves of Acer mono was detected by reverse phase high performance liquid chromatography(RP-HPLC) after the tissues were pretreated.

以五角枫叶片为实验材料,经预处理后用反相高效液相色谱测定了植物组织中水杨酸的含量。