students blockages during the modelling process and their implications

... faced with the challenge to embrace the process: applications and modelling and expand their repertoire of means to nurture mathematical problem solvers Finally, it introduces the reader to the chapters ... Educators and the Mathematics and Mathematics Education Academic Group of the National Institute of Education organised a Mathematics Teachers Conference with the theme Mathematical Applications and Modelling ... mathematical modelling on the other hand, the task setter starts with reality and looks to mathematics before finally returning to reality to judge the usefulness and desirability of the mathematical...

Ngày tải lên: 14/10/2015, 15:42

... L bits), and the optical signal is on during the l-th slot In short, the position of the on pulse slot indicates the information In L-PPM, the power eciency increases in proportion to the number ... of an LED On the other hand, the transmitted optical power indicates the total energy radiated from an LED, and as is a parameter from the point of view of optical communication The luminous ... Q8230 and Q82313) And we correct the optical sensor area to 0.1 cm2 The measuring method is shown in Fig 3.2 The input voltage of LED and input current are 6.42 V and 700 mA, respectively And...

Ngày tải lên: 26/10/2013, 16:43

... are conscious of their position in society and are prepared to take responsibility for their actions Some have the ability to see themselves and their actions in relation to their fellow human ... politicians and senior civil servants in the process 4.9 Persepctives on participation ‘People want more power over their lives and their surrounding community, in their working lives and in society ... responsibility for and participation in the Public Internet Monitor Project the design of the gateway as well as the physical design and placement of the monitors Among the questions raised during the evaluation...

Ngày tải lên: 04/11/2013, 20:15

... Hướng đối tượng C# - Editor: Hướ đố tượ Editor: Đoàn Quang Minh Đoà Hàm tạo hàm hủy (Construction and Disposal) Hàm tạo (Construction) – Định nghĩa cú pháp: C++ – Khác biệt với C++: không nên khởi ... đối tượng C# - Editor: Hướ đố tượ Editor: Đoàn Quang Minh Đoà 10 Hàm tạo hàm hủy (Construction and Disposal) Hàm hủy (Disposal) – Không quan trọng C++, nhớ tự động quản lý thu gom rác – Nếu có...

Ngày tải lên: 12/12/2013, 22:15

... Mục lục Mối quan hệ C# NET The Common Language Runtime Assemblies Các ứng dụng sử dụng C# Nhắc lại kiến thức C# (cú pháp C++) ... phụ thuộc vào hiệu lập trình C# C# kiến trúc NET C# kiế trú NET bả Editor: Đoàn Quang Minh Đoà The Common Language Runtime Hạt nhân NET môi trường thực thi mã lệnh, gọi Common Language Runtime...

Ngày tải lên: 12/12/2013, 22:15

... thức cần nhớ – Khái niệm ứng dụng Windows – Các form Windows Thiết kế form Thêm menu control khác Handle kiện Sử dụng hộp thoại dùng chung Ứng dụng thực tiễn – Xây dựng trình soạn thảo văn Summary ... Khái niệm ADO.NET – Kết nối với CSDL: lớp connection – Thực thi câu lệnh truy vấn CSDL: Lớp Commands: khai báo khởi tạo thủ tục quan trọng hay dùng: ExecuteNonQuery(), ExecuteReader(), ExecuteScalar()...

Ngày tải lên: 22/12/2013, 19:17

... lục Managing the File System Moving, Copying, and Deleting Files Reading and Writing to Files The Registry Ứng dụng File and Registry - Editor: Đoàn Quang Editor: Đoà Minh Managing the File System ... DateTime(2001, 1, 1, 7, 30, 0); File and Registry - Editor: Đoàn Quang Editor: Đoà Minh Managing the File System DirectoryInfo theFolder = new DirectoryInfo(folderFullName); if (!theFolder.Exists) throw new ... ArrayList(); foreach(FileInfo file in theFolder.GetFiles()) files.Add(file.Name); File and Registry - Editor: Đoàn Quang Editor: Đoà Minh Moving, Copying, and Deleting Files Có thể chép, di chuyển...

Ngày tải lên: 22/12/2013, 19:17

... writer.WriteElementString("title", "Dr Seuss's ABC"); // end the root element writer.WriteEndElement(); //Write the XML to file and close the writer writer.Close(); } } XML in NET - Editor: Đoàn ... thi hành chức web service cung cấp, gửi liệu theo chuẩn SOAP tới web service Đến lượt mình, sau thực thi yêu cầu xong, web service trả lại kết quả, theo chuẩn SOAP XML in NET - Editor: Đoàn Quang ... Console.WriteLine("==================="); Console.WriteLine("==================="); // Read this element's properties and display them on console console Console.WriteLine("Name:" + textReader.Name); Console.WriteLine("Name:"...

Ngày tải lên: 22/12/2013, 19:17

... client Có form kế thừa từ Form Trên form chứa control Một control phát sinh kiện: để xử lý phải handler kiện Thay đổi diện mạo form control cách thay đổi thuộc tính Thuộc tính quan trọng (mới):...

Ngày tải lên: 22/12/2013, 19:17

... tự cho trước – Replace(): thay mẫu xâu chuỗi ký tự khác – Split(): cắt xâu thành tập hợp xâu dựa theo ký tự phân cách cho trước – Substring(): lấy phần xâu từ xâu cho trước – ToLower(), ToUpper(): ... xâu – Giống hàm printf() C, phương thức static Format lớp String cho phép định dạng chuỗi tham số theo mẫu cho trước – Cú pháp: public static string Format( string format, object arg0 ); Lập trình ... Editor: trì Editor: Đoàn Quang Minh Đoà Xử lý String Chuỗi format chứa nhiều đối tượng cần format, theo mẫu {index[,alignment][:formatString]} – index: số đối tượng danh sách đối tượng cần format...

Ngày tải lên: 22/12/2013, 19:17

... Editor: trì Editor: Đoàn Quang Minh Đoà 13 Preprocessor Directives #define and #undef #if, #elif, #else, and #endif #warning and #error #region and #endregion #line Lập trình nâng cao C# - Editor: ... Editor: trì Editor: Đoàn Quang Minh Đoà Errors and Exception Handling Lập trình nâng cao C# - Editor: trì Editor: Đoàn Quang Minh Đoà Errors and Exception Handling try { … } catch (Exception e) { … ... User-Defined Casts Delegates Events Generics Preprocessor Directive Unsafe code Lập trình nâng cao C# - Editor: trì Editor: Đoàn Quang Minh Đoà Errors and Exception Handling Lỗi luôn tồn tại, cho dù hệ thống...

Ngày tải lên: 22/12/2013, 19:17

Ngày tải lên: 23/12/2013, 04:16

... the use of, and threats to, the Malaysian coastal and marine resources off the Straits of Malacca and the adjacent waters of the Andaman Sea and the Indian Ocean In the process, an attempt is made ... Rubber) Impact The above regulations stipulate the standards and procedures for handling the various types of domestic and industrial wastes Stakeholders and Water Resource Management The conservation, ... more than their polluting sources 2.1.1 Rivers Rivers with their loads of municipal, industrial and agricultural wastes eventually end up discharging these at the estuaries and polluting the coastal...

Ngày tải lên: 06/03/2014, 15:21

... ⊗, 0, 1) that indicates the set from which the values will be drawn, K, a generic addition and multiplication operation, ⊕ and ⊗, and their identities and Multiplication and addition must be associative ... subtracted from the result of the same computation over the alignment hypergraph (refer to Figures and 2) The conditional log likelihood is the difference in the log partition of the translation and alignment ... using the semirings include the number of derivations, the expected translation length, the entropy of the translation posterior distribution, and the expected values of feature functions (Li and...

Ngày tải lên: 07/03/2014, 22:20

... use their experiences in the field, there are others who helped point us towards essential reading and documentation, still others read portions of the document for us and offered advice and ... manage the resources that had previously been the foundation of their existence and identity At the same time, and not surprisingly, these disempowering processes have generated mistrust and resistance ... to the different ways of understanding and resolving problems that emerge from the cultural, economic and agroecological realities of the communities involved During the past three decades the...

Ngày tải lên: 08/03/2014, 14:20

... explain the European interest and presence in the Indian biotechnology sector On the other hand, the size and dynamism of some Indian biotech companies leads these companies to invest in Europe and ... institutions and the industrial sector From both the political and economic points of view, the major player of the Indian innovation system is the central government On one hand, most of the research and ... departments and committees which are under the authority of the central government On the other hand, the government funds two thirds of public research In the biennium 2005-2006, the share of the central...

Ngày tải lên: 13/03/2014, 21:49

... countries have already completed their referencing: Belgium Flanders, Germany, Ireland, the Netherlands, the UK-EWNI and the UK-Scotland Other countries have started the development of higher education ... choose whether and how they use or implement these in their national contexts The idea behind the open method of coordination is that this should help Member States define and develop their own ... undertaken the referencing process: Ireland (National Qualifications Authority of Ireland, 2009)), UK-England and Northern Ireland (QCDA, 2009) and UK-Scotland (SCQF, 2009) have completed this process, ...

Ngày tải lên: 15/03/2014, 07:20

... markets, however, they must be released before the subsequent meeting of the committee In recent years, both the Federal Reserve and the Bank of England have shortened the lag in releasing their minutes, ... major central banks: the Federal Reserve, the ECB, and the Bank of England Section reviews the first strand of empirical research mentioned above, and Section discusses the second Finally, Section ... sanitizing process to put the best possible face on the committee’s views and intentions, which delays their release Third, the Q&A session allows the press to ask follow-up questions and thus...

Ngày tải lên: 15/03/2014, 10:20

... gap and deflation prior to period T The anticipation of these effects, in the contingency that the natural rate continues to be negative in the following period, then depresses demand further and ... primarily the expected future path of the funds rate (and other short rates tied fairly closely to it) that affects spending and pricing decisions, rather than the current level of the funds rate And there ... in the future.45 And finally, it explains its policy decisions to the public in terms of their conformity with the target criterion In the case of the central banks just mentioned, this means the...

Ngày tải lên: 15/03/2014, 10:20