HPLC A Praactical User''''''''S Guide Part 4 pdf
Tài liệu HPLC A practical user`s guide pptx
... faster, and cheaper to change the character of the solvent. 8 ADVANTAGES AND DISADVANTAGES OF HPLC 1 ADVANTAGES AND DISADVANTAGES OF HPLC 3 The first things we need to understand are how an HPLC ... linear solvent gradients and a peristaltic pump is used to feed solvent to the column head. Packing materials generally made of silica gel, alumina, and agarose are available to allow separ...
Ngày tải lên: 23/01/2014, 04:20
Tài liệu PL-SQL User''''s Guide and Reference pdf
... Moore Contributors: Dave Alpern, Chandrasekharan Iyer, Ervan Darnell, Ken Jacobs, Sanjay Kaluskar, Sanjay Krishnamurthy, Janaki Krishnaswamy, Neil Le, Kannan Muthukkaruppan, Shirish Puranik, Chris Racicot, ... datatype of a variable or database column. This is particularly useful when declaring variables that will hold database values. For example, assume there is a column named title in...
Ngày tải lên: 17/01/2014, 09:20
Tài liệu PL/SQL User''''s Guide and Reference pdf
... has three parts: a declarative part, an executable part, and an exception-handling part that deals with error conditions. Only the executable part is required. First comes the declarative part, ... scripting languages. Using PL/SQL to access metadata about database objects and handle database error conditions, you can write utility programs for database administration that are reliab...
Ngày tải lên: 24/01/2014, 08:20
High Cycle Fatigue: A Mechanics of Materials Perspective part 4 pdf
... combinations of mean and alternating stresses, based on the information contained in a combination of a Goodman diagram and fracture mechanics–based analysis. 18 Introduction and Background (sharp ... minimum interval. Damage tolerance can be achieved by performing crack growth evaluation as an integral part of detail design of fracture-critical engine components. Initial flaws (sharp c...
Ngày tải lên: 03/07/2014, 20:20
Tài liệu EViews 4 User’s Guide pptx
... use all available calendar information in organizing and managing your data. For example, for weekly and daily data, EViews knows that some years contain days in each of 53 weeks, and that some ... perform basic analysis of data and to draw graphs and create tables describing your data. • Part III. “Basic Single Equation Analysis” on page 257—discusses standard regres- sion analysis: or...
Ngày tải lên: 26/02/2014, 04:20