Global and Chinese Platelet Equipment Industry, 2017 Market Research Report
The 'Global and Chinese Platelet Equipment Industry, 2012-2022 Market Research Report' is a professional and in-depth study on the current state of the global Platelet Equipment industry with a focus on the Chinese market.
The report provides key statistics on the market status of the Platelet Equipment manufacturers and is a valuable source of guidance and direction for companies and individuals interested in the industry. Firstly, the report provides a basic overview of the industry including its definition, applications and manufacturing technology. Then, the report explores the international and Chinese major industry players in detail.
In this part, the report presents the company profile, product specifications, capacity, production value, and 2012-2017 market shares for each company. Through the statistical analysis, the report depicts the global and Chinese total market of Platelet Equipment industry including capacity, production, production value, cost/profit, supply/demand and Chinese import/export. The total market is further divided by company, by country, and by application/type for the competitive landscape analysis. The report then estimates 2017-2022 market development trends of Platelet Equipment industry. Analysis of upstream raw materials, downstream demand, and current market dynamics is also carried out.
In the end, the report makes some important proposals for a new project of Platelet Equipment Industry before evaluating its feasibility. Overall, the report provides an in-depth insight of 2012-2022 global and Chinese Platelet Equipment industry covering all important parameters.
The report provides key statistics on the market status of the Platelet Equipment manufacturers and is a valuable source of guidance and direction for companies and individuals interested in the industry. Firstly, the report provides a basic overview of the industry including its definition, applications and manufacturing technology. Then, the report explores the international and Chinese major industry players in detail.
In this part, the report presents the company profile, product specifications, capacity, production value, and 2012-2017 market shares for each company. Through the statistical analysis, the report depicts the global and Chinese total market of Platelet Equipment industry including capacity, production, production value, cost/profit, supply/demand and Chinese import/export. The total market is further divided by company, by country, and by application/type for the competitive landscape analysis. The report then estimates 2017-2022 market development trends of Platelet Equipment industry. Analysis of upstream raw materials, downstream demand, and current market dynamics is also carried out.
In the end, the report makes some important proposals for a new project of Platelet Equipment Industry before evaluating its feasibility. Overall, the report provides an in-depth insight of 2012-2022 global and Chinese Platelet Equipment industry covering all important parameters.
CHAPTER ONE INTRODUCTION OF PLATELET EQUIPMENT INDUSTRY
1.1 Brief Introduction of Platelet Equipment
1.2 Development of Platelet Equipment Industry
1.3 Status of Platelet Equipment Industry
CHAPTER TWO MANUFACTURING TECHNOLOGY OF PLATELET EQUIPMENT
2.1 Development of Platelet Equipment Manufacturing Technology
2.2 Analysis of Platelet Equipment Manufacturing Technology
2.3 Trends of Platelet Equipment Manufacturing Technology
CHAPTER THREE ANALYSIS OF GLOBAL KEY MANUFACTURERS
3.1
3.1.1 Company Profile
3.1.2 Product Information
3.1.3 2012-2017 Production Information
3.1.4 Contact Information
3.2
3.2.1 Company Profile
3.2.2 Product Information
3.2.3 2012-2017 Production Information
3.2.4 Contact Information
3.3
3.2.1 Company Profile
3.3.2 Product Information
3.3.3 2012-2017 Production Information
3.3.4 Contact Information
3.4
3.4.1 Company Profile
3.4.2 Product Information
3.4.3 2012-2017 Production Information
3.4.4 Contact Information
3.5
3.5.1 Company Profile
3.5.2 Product Information
3.5.3 2012-2017 Production Information
3.5.4 Contact Information
3.6
3.6.1 Company Profile
3.6.2 Product Information
3.5.3 2012-2017 Production Information
3.6.4 Contact Information
3.7
3.7.1 Company Profile
3.7.2 Product Information
3.7.3 2012-2017 Production Information
3.7.4 Contact Information
3.8
3.8.1 Company Profile
3.8.2 Product Information
3.8.3 2012-2017 Production Information
3.8.4 Contact Information
CHAPTER FOUR 2012-2017 GLOBAL AND CHINESE MARKET OF PLATELET EQUIPMENT
4.1 2012-2017 Global Capacity, Production and Production Value of Platelet Equipment Industry
4.2 2012-2017 Global Cost and Profit of Platelet Equipment Industry
4.3 Market Comparison of Global and Chinese Platelet Equipment Industry
4.4 2012-2017 Global and Chinese Supply and Consumption of Platelet Equipment
4.5 2012-2017 Chinese Import and Export of Platelet Equipment
CHAPTER FIVE MARKET STATUS OF PLATELET EQUIPMENT INDUSTRY
5.1 Market Competition of Platelet Equipment Industry by Company
5.2 Market Competition of Platelet Equipment Industry by Country (USA, EU, Japan, Chinese etc.)
5.3 Market Analysis of Platelet Equipment Consumption by Application/Type
CHAPTER SIX 2017-2022 MARKET FORECAST OF GLOBAL AND CHINESE PLATELET EQUIPMENT INDUSTRY
6.1 2017-2022 Global and Chinese Capacity, Production, and Production Value of Platelet Equipment
6.2 2017-2022 Platelet Equipment Industry Cost and Profit Estimation
6.3 2017-2022 Global and Chinese Market Share of Platelet Equipment
6.4 2017-2022 Global and Chinese Supply and Consumption of Platelet Equipment
6.5 2017-2022 Chinese Import and Export of Platelet Equipment
CHAPTER SEVEN ANALYSIS OF PLATELET EQUIPMENT INDUSTRY CHAIN
7.1 Industry Chain Structure
7.2 Upstream Raw Materials
7.3 Downstream Industry
CHAPTER EIGHT GLOBAL AND CHINESE ECONOMIC IMPACT ON PLATELET EQUIPMENT INDUSTRY
8.1 Global and Chinese Macroeconomic Environment Analysis
8.1.1 Global Macroeconomic Analysis
8.1.2 Chinese Macroeconomic Analysis
8.2 Global and Chinese Macroeconomic Environment Development Trend
8.2.1 Global Macroeconomic Outlook
8.2.2 Chinese Macroeconomic Outlook
8.3 Effects to Platelet Equipment Industry
CHAPTER NINE MARKET DYNAMICS OF PLATELET EQUIPMENT INDUSTRY
9.1 Platelet Equipment Industry News
9.2 Platelet Equipment Industry Development Challenges
9.3 Platelet Equipment Industry Development Opportunities
CHAPTER TEN PROPOSALS FOR NEW PROJECT
10.1 Market Entry Strategies
10.2 Countermeasures of Economic Impact
10.3 Marketing Channels
10.4 Feasibility Studies of New Project Investment
CHAPTER ELEVEN RESEARCH CONCLUSIONS OF GLOBAL AND CHINESE PLATELET EQUIPMENT INDUSTRY
1.1 Brief Introduction of Platelet Equipment
1.2 Development of Platelet Equipment Industry
1.3 Status of Platelet Equipment Industry
CHAPTER TWO MANUFACTURING TECHNOLOGY OF PLATELET EQUIPMENT
2.1 Development of Platelet Equipment Manufacturing Technology
2.2 Analysis of Platelet Equipment Manufacturing Technology
2.3 Trends of Platelet Equipment Manufacturing Technology
CHAPTER THREE ANALYSIS OF GLOBAL KEY MANUFACTURERS
3.1
3.1.1 Company Profile
3.1.2 Product Information
3.1.3 2012-2017 Production Information
3.1.4 Contact Information
3.2
3.2.1 Company Profile
3.2.2 Product Information
3.2.3 2012-2017 Production Information
3.2.4 Contact Information
3.3
3.2.1 Company Profile
3.3.2 Product Information
3.3.3 2012-2017 Production Information
3.3.4 Contact Information
3.4
3.4.1 Company Profile
3.4.2 Product Information
3.4.3 2012-2017 Production Information
3.4.4 Contact Information
3.5
3.5.1 Company Profile
3.5.2 Product Information
3.5.3 2012-2017 Production Information
3.5.4 Contact Information
3.6
3.6.1 Company Profile
3.6.2 Product Information
3.5.3 2012-2017 Production Information
3.6.4 Contact Information
3.7
3.7.1 Company Profile
3.7.2 Product Information
3.7.3 2012-2017 Production Information
3.7.4 Contact Information
3.8
3.8.1 Company Profile
3.8.2 Product Information
3.8.3 2012-2017 Production Information
3.8.4 Contact Information
CHAPTER FOUR 2012-2017 GLOBAL AND CHINESE MARKET OF PLATELET EQUIPMENT
4.1 2012-2017 Global Capacity, Production and Production Value of Platelet Equipment Industry
4.2 2012-2017 Global Cost and Profit of Platelet Equipment Industry
4.3 Market Comparison of Global and Chinese Platelet Equipment Industry
4.4 2012-2017 Global and Chinese Supply and Consumption of Platelet Equipment
4.5 2012-2017 Chinese Import and Export of Platelet Equipment
CHAPTER FIVE MARKET STATUS OF PLATELET EQUIPMENT INDUSTRY
5.1 Market Competition of Platelet Equipment Industry by Company
5.2 Market Competition of Platelet Equipment Industry by Country (USA, EU, Japan, Chinese etc.)
5.3 Market Analysis of Platelet Equipment Consumption by Application/Type
CHAPTER SIX 2017-2022 MARKET FORECAST OF GLOBAL AND CHINESE PLATELET EQUIPMENT INDUSTRY
6.1 2017-2022 Global and Chinese Capacity, Production, and Production Value of Platelet Equipment
6.2 2017-2022 Platelet Equipment Industry Cost and Profit Estimation
6.3 2017-2022 Global and Chinese Market Share of Platelet Equipment
6.4 2017-2022 Global and Chinese Supply and Consumption of Platelet Equipment
6.5 2017-2022 Chinese Import and Export of Platelet Equipment
CHAPTER SEVEN ANALYSIS OF PLATELET EQUIPMENT INDUSTRY CHAIN
7.1 Industry Chain Structure
7.2 Upstream Raw Materials
7.3 Downstream Industry
CHAPTER EIGHT GLOBAL AND CHINESE ECONOMIC IMPACT ON PLATELET EQUIPMENT INDUSTRY
8.1 Global and Chinese Macroeconomic Environment Analysis
8.1.1 Global Macroeconomic Analysis
8.1.2 Chinese Macroeconomic Analysis
8.2 Global and Chinese Macroeconomic Environment Development Trend
8.2.1 Global Macroeconomic Outlook
8.2.2 Chinese Macroeconomic Outlook
8.3 Effects to Platelet Equipment Industry
CHAPTER NINE MARKET DYNAMICS OF PLATELET EQUIPMENT INDUSTRY
9.1 Platelet Equipment Industry News
9.2 Platelet Equipment Industry Development Challenges
9.3 Platelet Equipment Industry Development Opportunities
CHAPTER TEN PROPOSALS FOR NEW PROJECT
10.1 Market Entry Strategies
10.2 Countermeasures of Economic Impact
10.3 Marketing Channels
10.4 Feasibility Studies of New Project Investment
CHAPTER ELEVEN RESEARCH CONCLUSIONS OF GLOBAL AND CHINESE PLATELET EQUIPMENT INDUSTRY
TABLES AND FIGURES
Figure Platelet Equipment Product Picture
Table Development of Platelet Equipment Manufacturing Technology
Figure Manufacturing Process of Platelet Equipment
Table Trends of Platelet Equipment Manufacturing Technology
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity Production Price Cost Production Value List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity Production Price Cost Production Value List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Table 2012-2017 Global Platelet Equipment Capacity List
Table 2012-2017 Global Platelet Equipment Key Manufacturers Capacity Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Capacity Share
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production List
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Production Share
Figure 2012-2017 Global Platelet Equipment Capacity Production and Growth Rate
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Value List
Figure 2012-2017 Global Platelet Equipment Production Value and Growth Rate
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Value Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Production Value Share
Table 2012-2017 Global Platelet Equipment Capacity Production Cost Profit and Gross Margin List
Figure 2012-2017 Chinese Share of Global Platelet Equipment Production
Table 2012-2017 Global Supply and Consumption of Platelet Equipment
Table 2012-2017 Import and Export of Platelet Equipment
Figure 2017 Global Platelet Equipment Key Manufacturers Capacity Market Share
Figure 2017 Global Platelet Equipment Key Manufacturers Production Market Share
Figure 2017 Global Platelet Equipment Key Manufacturers Production Value Market Share
Table 2012-2017 Global Platelet Equipment Key Countries Capacity List
Figure 2012-2017 Global Platelet Equipment Key Countries Capacity
Table 2012-2017 Global Platelet Equipment Key Countries Capacity Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Capacity Share
Table 2012-2017 Global Platelet Equipment Key Countries Production List
Figure 2012-2017 Global Platelet Equipment Key Countries Production
Table 2012-2017 Global Platelet Equipment Key Countries Production Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Production Share
Table 2012-2017 Global Platelet Equipment Key Countries Consumption Volume List
Figure 2012-2017 Global Platelet Equipment Key Countries Consumption Volume
Table 2012-2017 Global Platelet Equipment Key Countries Consumption Volume Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Consumption Volume Share
Figure 78 2012-2017 Global Platelet Equipment Consumption Volume Market by Application
Table 89 2012-2017 Global Platelet Equipment Consumption Volume Market Share List by Application
Figure 79 2012-2017 Global Platelet Equipment Consumption Volume Market Share by Application
Table 90 2012-2017 Chinese Platelet Equipment Consumption Volume Market List by Application
Figure 80 2012-2017 Chinese Platelet Equipment Consumption Volume Market by Application
Figure 2017-2022 Global Platelet Equipment Capacity Production and Growth Rate
Figure 2017-2022 Global Platelet Equipment Production Value and Growth Rate
Table 2017-2022 Global Platelet Equipment Capacity Production Cost Profit and Gross Margin List
Figure 2017-2022 Chinese Share of Global Platelet Equipment Production
Table 2017-2022 Global Supply and Consumption of Platelet Equipment
Table 2017-2022 Import and Export of Platelet Equipment
Figure Industry Chain Structure of Platelet Equipment Industry
Figure Production Cost Analysis of Platelet Equipment
Figure Downstream Analysis of Platelet Equipment
Table Growth of World output, 2012 – 2017, Annual Percentage Change
Figure Unemployment Rates in Selected Developed Countries, January 2008 – March 201560
Figure Nominal Effective Exchange Rate: Japan and Selected Emerging Economies, September 2012-March 2015
Figure 2012-2017 Chinese GDP and Growth Rates
Figure 2012-2017 Chinese CPI Changes
Figure 2012-2017 Chinese PMI Changes
Figure 2012-2017 Chinese Financial Revenue and Growth Rate
Figure 2012-2017 Chinese Total Fixed Asset Investment and Growth Rate
Figure 2017-2022 Chinese GDP and Growth Rates
Figure 2017-2022 Chinese CPI Changes
Table Economic Effects to Platelet Equipment Industry
Table Platelet Equipment Industry Development Challenges
Table Platelet Equipment Industry Development Opportunities
Figure Map of Chinese's 33 Provinces and Administrative Regions
Table Selected Cities According to Industrial Orientation
Figure Chinese IPR Strategy
Table Brief Summary of Suggestions
Table New Platelet Equipments Project Feasibility Study
Figure Platelet Equipment Product Picture
Table Development of Platelet Equipment Manufacturing Technology
Figure Manufacturing Process of Platelet Equipment
Table Trends of Platelet Equipment Manufacturing Technology
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity Production Price Cost Production Value List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity Production Price Cost Production Value List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Figure Platelet Equipment Product and Specifications
Table 2012-2017 Platelet Equipment Product Capacity, Production, and Production Value etc. List
Figure 2012-2017 Platelet Equipment Capacity Production and Growth Rate
Figure 2012-2017 Platelet Equipment Production Global Market Share
Table 2012-2017 Global Platelet Equipment Capacity List
Table 2012-2017 Global Platelet Equipment Key Manufacturers Capacity Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Capacity Share
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production List
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Production Share
Figure 2012-2017 Global Platelet Equipment Capacity Production and Growth Rate
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Value List
Figure 2012-2017 Global Platelet Equipment Production Value and Growth Rate
Table 2012-2017 Global Platelet Equipment Key Manufacturers Production Value Share List
Figure 2012-2017 Global Platelet Equipment Manufacturers Production Value Share
Table 2012-2017 Global Platelet Equipment Capacity Production Cost Profit and Gross Margin List
Figure 2012-2017 Chinese Share of Global Platelet Equipment Production
Table 2012-2017 Global Supply and Consumption of Platelet Equipment
Table 2012-2017 Import and Export of Platelet Equipment
Figure 2017 Global Platelet Equipment Key Manufacturers Capacity Market Share
Figure 2017 Global Platelet Equipment Key Manufacturers Production Market Share
Figure 2017 Global Platelet Equipment Key Manufacturers Production Value Market Share
Table 2012-2017 Global Platelet Equipment Key Countries Capacity List
Figure 2012-2017 Global Platelet Equipment Key Countries Capacity
Table 2012-2017 Global Platelet Equipment Key Countries Capacity Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Capacity Share
Table 2012-2017 Global Platelet Equipment Key Countries Production List
Figure 2012-2017 Global Platelet Equipment Key Countries Production
Table 2012-2017 Global Platelet Equipment Key Countries Production Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Production Share
Table 2012-2017 Global Platelet Equipment Key Countries Consumption Volume List
Figure 2012-2017 Global Platelet Equipment Key Countries Consumption Volume
Table 2012-2017 Global Platelet Equipment Key Countries Consumption Volume Share List
Figure 2012-2017 Global Platelet Equipment Key Countries Consumption Volume Share
Figure 78 2012-2017 Global Platelet Equipment Consumption Volume Market by Application
Table 89 2012-2017 Global Platelet Equipment Consumption Volume Market Share List by Application
Figure 79 2012-2017 Global Platelet Equipment Consumption Volume Market Share by Application
Table 90 2012-2017 Chinese Platelet Equipment Consumption Volume Market List by Application
Figure 80 2012-2017 Chinese Platelet Equipment Consumption Volume Market by Application
Figure 2017-2022 Global Platelet Equipment Capacity Production and Growth Rate
Figure 2017-2022 Global Platelet Equipment Production Value and Growth Rate
Table 2017-2022 Global Platelet Equipment Capacity Production Cost Profit and Gross Margin List
Figure 2017-2022 Chinese Share of Global Platelet Equipment Production
Table 2017-2022 Global Supply and Consumption of Platelet Equipment
Table 2017-2022 Import and Export of Platelet Equipment
Figure Industry Chain Structure of Platelet Equipment Industry
Figure Production Cost Analysis of Platelet Equipment
Figure Downstream Analysis of Platelet Equipment
Table Growth of World output, 2012 – 2017, Annual Percentage Change
Figure Unemployment Rates in Selected Developed Countries, January 2008 – March 201560
Figure Nominal Effective Exchange Rate: Japan and Selected Emerging Economies, September 2012-March 2015
Figure 2012-2017 Chinese GDP and Growth Rates
Figure 2012-2017 Chinese CPI Changes
Figure 2012-2017 Chinese PMI Changes
Figure 2012-2017 Chinese Financial Revenue and Growth Rate
Figure 2012-2017 Chinese Total Fixed Asset Investment and Growth Rate
Figure 2017-2022 Chinese GDP and Growth Rates
Figure 2017-2022 Chinese CPI Changes
Table Economic Effects to Platelet Equipment Industry
Table Platelet Equipment Industry Development Challenges
Table Platelet Equipment Industry Development Opportunities
Figure Map of Chinese's 33 Provinces and Administrative Regions
Table Selected Cities According to Industrial Orientation
Figure Chinese IPR Strategy
Table Brief Summary of Suggestions
Table New Platelet Equipments Project Feasibility Study