Contents How to use an open learning text Preface 1 An introduction to biotechnological innovations Industry G. Mijnbeek and C. K. Leach 2 Biocatalyst in organic chemical synthesis R O. Jenkins

5.1 Introduction 5.2 Metabolic pathways and metabolic control mechanisms 5.3 The industrial production of citric acid 5.4 The production of other TCA cycle intermediates

Definition of DUB SAny abnormal uterine bleeding No specific organic cause can be found Anovulatory Hypothalamic-pituitary-ovarian axis has not fully matured

Introduction: What Is Mineral? Mineral Naturally formed, inorganic, solid material with a specific chemical composition and a characteristic crystalline structure. Rock Naturally formed, coherent mass of one or more minerals, sometimes including organic debris

HOME BACK FORWARD! PRINT SEARCH EXI INTRODUCTION Major soils of the world ORGANIC SOILS Mineral soils World Reference base for soil resources: atlas

1 An introduction to biotechnological innovations Industry G. Mijnbeek and C. K. Leach 2 Biocatalyst in organic chemical synthesis R O. Jenkins 3 Efficiency of growth and product formation R.O. Jenkins

5.1 Introduction 5.2 Metabolic pathways and metabolic control mechanisms 5.3 The industrial production of citric acid 5.4 The production of other TCA cycle intermediates 5.5 The industrial production of itaconic acid

有机食品( Organic Food): 出自生态农业生产系统,生产中不使用化学 农药、施用有机肥、无激素和抗生素、是非 转基因产品,并且经过国家批准的独立的有 机食品认证机构认证

一、有机化合物与有机化学 有机———有生命的机体中得到的物质 含有C和H—研究碳化物(或碳氰化物 及其衍生物的化学 有些还含氮、氧、磷、卤素一沿用“有机 Organic Chem

影响土壤比重的因素: 土壤比重仅仅取决于土壤固相颗粒的物质组成。 Since a large portion of most soils is composed of particles derived from quartz minerals, the particle density of most soils is near 2.6 g/cc which is the density of quartz. Variations in the particle density are due to the presence of heavier minerals like iron oxides or lighter organic components