pH 第13页

Identification of 9-oxo-10,11-dehydroagerophorone in Eupatorium adenophorum by High Performance Liquid Chromatography Anatomical Characteristics of C₄ and C₃ Photosynthetic-pathway Poaceae Plants in Hainan Micro-morphological Characteristics of Taraxacum F. H. Wigg. Seeds from Northeastern China and Taxonomic Significance Uranium Uptake and Accumulation in Plants on Soils Effect of Drought Stress on Photochemical Efficiency and Dissipation of Excited Energy in Photosystem II of Populus euphratica Cytological Studies of Male Gametogenesis and Development in the Reciprocal Interspecific Hybrid F₁ of Dongxiang Wild Rice (Oryza rufipogon) and Oryza sativa Using Bryophytes as Biomonitor Atmospheric Heavy Metal Deposition in the City of Qingdao Seasonal Variation in Contents of C, N and P and Stoichiometry Characteristics in Fine Roots, Stems and Needles of Larix principis-rupprechtii Effect of Cu stress on photosynthesis and nutrient absorption of grafted and ungrafted cucumber seedling Effect of copper stress on photosynthesis of navel orange seedlings Effect of phosphorus stress on the pigment and morphology of different maize genotypes Screening phosphorus-efficient genotypes of rapeseed (Brassica napus)at seedling stage by TOPSIS pH distribution and relationship to soil nutrient in Hunan tobacco lands Impact of long term fertilization on different forms of inorganic phosphorus in aquic brown-soil Studies on photosynthesis of sweet potato under the stress of sweet potato scab Monitoring of the virulence of Erysiphe graminis f.sp.tritici in different ecological areas of Shanxi Province Inhibition of the extractions of Stemona tuberosa Lour and Sophora flavescans on some plant pathogenic germs The physiological mechanism and security assessment of Clomazone Studies on the photosynthesis of the green organs of wheat Study on the instrumental error of the portable photosynthesis system Preliminary studies on the information agricultural techno-system aimed to precision Effects of polyacrylamide on germination and growth of several plant seeds A study the physio-eeology of dryland crop population A preliminary report on the ecological performance of Desmodium heterocarpum DC vat．strigosum Van Meeuwen Seasonal changes of Indocalamus leaf active ingredients contents. Dynamic characters of sulphur and heavy metals concentrations in Pinus taiwanensis growth rings Research Advance in polyphosphate-accumulating microorganisms in enhanced biological phosphorus removal process Interactive system of Delphastus catalinae and its competitor:interspecies competition Research advances in mechanism of high phosphorus use efficiency of plants Physiological adaptations of Sichuan golden monkeys (Rhinopithecus roxellana)to high altitude habitat in the Qinling Mountains Morphology of wheat roots under low phosphorus stress Electron microscopic observation on electron dense structure in cytoplasm of Ammopiptanthus mongolicus Analysis on phytogeographical elements of Quercus mongolica community in northeast China Multivariate and SDA analyses of Gordonia acuminata climatic ecotype Phosphorus transfer via mycorrhizal hyphal links from red clover to rye grass Accumulation,distribution and interaction of phosphorus and zinc in wheat cells Energy and nutrient analysis of upland phytofuel species Inhibiting effect of Sphaerellopsis filum on Triphragmiopsis laricinum Adsorption behaviour and its mechanism of linear alkylbenzene sulphonate (LAS) on soils Enzyme activities in snail, Oncomelania hupensis from river beach and its agro-forestry systems