1.
Study on extraction technology of Bunge leaves flavonoids and its preliminary qualitative analysis
杜梨叶黄酮的提取工艺研究及其初步定性分析
2.
Bunge Leaf Extract Flavonoids、Purification and Study of Antioxidant
杜梨叶黄酮类化合物提取、纯化及抗氧化性的研究
3.
Research on Occurrence Regularity of Eriophyes sp. in Chengde Mountain Resort
承德避暑山庄杜梨瘿螨发生规律研究
4.
The Differentiation of Xie Yin between the Detailed Annotations of Du s Poems and the Explanation of Reading Du s Poems;
《杜诗详注》与《读杜诗说》叶音考辨
5.
Study on Seasonal Variation of Eucommiol in Eucommia ulmoides leaves
杜仲叶中杜仲醇含量的季节变化研究
6.
Effects of Low-Temperature and Hormone on the Seed Dormancy Breaking of Pyrus betulaefolia Bunge
低温与激素处理对解除杜梨种子休眠的研究
7.
Inducement Influences of ABA and Seed Coat on the Dormancy and Germination of Seed of Pyrus betulaefolia Bunge
脱落酸与种皮对杜梨种子休眠与萌发的影响
8.
Effects of Water Retainers on the Growth and Physiology of Seedlings of P. betulaefolia Bge.
保水剂对杜梨(P. betulaefolia Bge.)生长及生理的影响
9.
Studies on Rapid Propagation Tissue Culture in Pyrus betulifolia Bunge by Applying Orthogonal Design
应用正交设计对组培杜梨快速繁殖的研究
10.
a disease blackening the leaves of pear and apple trees.
使梨树或苹果树叶子发黑的一种
11.
Establishment of Leaf Regeneration System of Pyrus Ussuriensis Maxim and Transformation;
山梨叶片再生体系的建立和遗传转化
12.
The System of in Vitro Culture and Shoot Regeneration from Leaves of Pear Cultivars;
梨的离体培养与叶片不定梢诱导研究
13.
In vitro Colchicine-induced Polyploid Plantlets from Leaf Explants of Pear(Pyrus communis L.)
秋水仙碱诱导梨离体叶片再生多倍体
14.
Studies on the Biological Characteristics and Control Technologiesof Parapsides duodecimpustulata(Gelber)
梨叶甲的生物学特性及防治技术研究
15.
Herbivory in relation to leaf development during leaf expansion in Rhododendron latoucheae (Ericaceae)
鹿角杜鹃展叶期叶片发育与虫食动态
16.
Photoinhibition and Recovery of Photosynthesis in Pear Leaves
黄金梨和鸭梨叶片光合作用的光抑制及其恢复的比较研究
17.
The structure of the root apex of Pyrus betulaefolia Bunge consists of the stelar meristem,cortical cells and the root cap.
杜梨根端的结构,可分成中柱分生组织,皮层细胞和根冠。
18.
Effect of Temperature and Water on Seed Germination of Pyrus betulaefolia Bunge along with Different Chemical Treatments
化学药剂及温光条件对促进杜梨种子萌发的影响