SWF格式。electron_transport的动画素材，图象清晰，手动操控，全英文标注，欢迎高校教师作为教学参考参考使用。

西北农林科技大学《植物营养学》ppt教学课件（英文版一），王林权主讲。主要内容包括绪论、跨膜传输机械、短距离传输与长距离传输、施用肥料、微量营养素、有机肥料等： lecture 1 introduction lecture 2 essential nutrients lecture 3 transport mechanism across membrane lecture 4 rooot and ntrients uptake lecture 5 rhizoshpere lecture 6 short distance transport and long distance transport lecture 7 foliar fertilzer lecture 8 the factors of effect nutrients uptake lecture 9 Fertility and Nutrient Bioavailability lecture 10 Application Fertilizer lecture 11 Nitrogen fertilzer lecture 12 Phophorus fertilizer lecture 13 K fertilzers lecture 14 secondary nutrients lecture 15 micronutrients lecture 16 organic fertilizer

天津科技大学《国际贸易务实》ppt完整课件（双语），共八章： Chapter 1 Trade Terms Chapter 2 Name,Quantity,Quanlity and Packing of Commodity Chapter 3 International Cargo Transport Chapter 4 International Cargo Transport Chapter 5 International Trade Payment Chapter 6 Inspection, Claim,Force Majeure and Chapter 7 Business Negotiation and Implementation Chapter 8 Modes of Trade

西北农林科技大学《植物营养学》ppt教学课件（英文版二），王林权主讲。主要内容包括绪论、跨膜传输机械、短距离传输与长距离传输、施用肥料、微量营养素、有机肥料等： lecture 1 introduction lecture 2 essential nutrients lecture 3 transport mechanism across membrane lecture 4 rooot and ntrients uptake lecture 5 rhizoshpere lecture 6 short distance transport and long distance transport lecture 7 foliar fertilzer lecture 8 the factors of effect nutrients uptake lecture 9 Fertility and Nutrient Bioavailability lecture 10 Application Fertilizer lecture 11 Nitrogen fertilzer lecture 12 Phophorus fertilizer lecture 13 K fertilzers lecture 14 secondary nutrients lecture 15 micronutrients lecture 16 organic fertilizer

英文版《生物化学》完整课件（三），内容包含第3、4、5、12、13、14章的内容，章节齐全，内容全面。

Biological Membranes and Transportpart II Passive transport: with the gradient – Water transport—aquaporins – Glucose transporters – Co-transport of chloride and bicarbonate Active transport: against the gradient – Transport ATPases – Ion channels

1. Principles of membrane transport; 2. Passive transport and active transport; 3. Two main classes of membrane transport proteins: Carriers and Channels; 4. The ion transport systems; 5. Endocytosis and Phagocytosis: cellular uptake of macromolecules and particles

Chapter 5 A. The Movement of Substances Across Cell Membranes Learning Objectives: 1. Principles of membrane transport 2. Passive transport and active transport 3. Two main classes of membrane transport proteins: Carriers and Channels; 4. The ion transport systems; 5. Endocytosis and Phagocytosis: cellular uptake of macromolecules and particles

I Review Structure of the Cell Membrane II Transport Through the Cell Membrane Tetrodotoxin (TTX) selectively block the voltage-gated Na+ channel ➢ Simple diffusion ➢ Ion channel ➢ Water channel Water transportation through the membrane 3 Active transport 4. Bulk Transport (Endocytosis and Excytosis)

3.1 Transport-layer services 3.2 Multiplexing and demultiplexing 3.3 Connectionless transport: UDP 3.4 Principles of reliable data transfer 3.5 Connection-oriented transport: TCP m segment structure m reliable data transfer m flow control m connection management 3.6 Principles of congestion control 3.7 TCP congestion control