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The article offers suggestions and instructions for mathematics teacher on enhancing awareness of data collection, weighing and counting among students. It is mentioned that students are asked to collect trash of the classroom for various mathematical activities. Also discussed is letter writing for the students.

The article offers tips on choosing a topic for research. Topics include the objectives to be considered for choosing a topic for research such as ending up with a topic that is neither too broad nor too narrow for the purposes of the assignment and the importance of making sure that materials and resources on the topic are available such as online databases, and the need to know the expected length of the paper or presentation before beginning the topic search.

A filter is a device that passes electric signals at certain frequency or frequency ranges while preventing the passage of others. This paper focuses on active low-pass Butterworth filters design. In communication, data acquisition system usually requires anti-aliasing low-pass filter as well as low-pass noise filter in their preceding signal condition stages. In this paper design of fourth-order low-pass filters is the main topic of consideration. This paper will examine how to implement Butterworth filter and design methods. And this paper describes mathematics calculations and implementation of Butterworth filter with MATLAB and Circuit Maker. [ABSTRACT FROM AUTHOR]

This section provides information on core logging techniques that need to be acknowledged by geologists following core drilling operations. Topics discussed include the importance of preparing systematic core logs, common tools used in core logging such as binocular microscopes, hand lens, and grain-size chart, and the benefits of using computer software developed for sedimentological logging activities.

Chapter 5 of the book "The Elements of Library Research: What Every Student Needs to Know," by Mary W. George is presented. It discusses the strategies in evaluating research resources and the relationship among research questions, findings and insights. It suggests that a researcher must evaluate the tools and sources, brainstorm the chosen and acquired data and review the sources.

University's virtual reference system (VRS) as the universities library's participation in teaching and research work in the network extensions plays a very important role and position. Based on the study of its connotation, service methods and the present domestic and international development situation and related building systems technology, analyzed the system requirements, features and particularity, designed a library VRS based on university. This system took to enhance service practicability and information acquisition accuracy as the essential starting point, put forward a method based on the analytic hierarchy process (AHP) experts scheduling model. For traditional systems shortages, it put forward the questions wizard module, in which the AJAX technology was applied to realize. AJAX will put clumsy Web interface into strong interactivity application, user in the process of asking will not be refreshed the page, be interrupted operation, and get more quickly response, reduce operating time. Another it used participle technology to take ask and retrieval well together, greatly reducing the probability of repeated questions, and it is quite good to avoid the existing defects when traditional system ask cross-disciplinary questions. Finally summarized the system design, and gave more suggestions to further perfect. [ABSTRACT FROM AUTHOR]

This section provides information on core logging descriptions that need to be observed by geologists following core drilling operations. Topics discussed include the proper recording of general core information such as well number and name, the need to determine core depth, porosity, and grain size, and procedures that need to be considered to avoid confusion over terminology used.

This section provides information on core logging format that need to be observed by geologists following core drilling operations. Topics discussed include the proper recording and interpretation of core information, the selection and definition of geological terminology, and the logging format standards implemented in Great Britain.

The article informs about the contributions and acknowledgments given to various individuals involved in the research project described in the book. Topics include recognition of the hard-working students who collected data, appreciation for colleagues and friends who provided feedback and support, gratitude to the publisher and funding source, and personal acknowledgments to family members and loved ones for their support and patience during the research process.

This section focuses on core logging and interpretation by geologists following core drilling operations. Topics discussed include the need to use core log descriptions which may be easily interpreted, the advantages of utilizing data gathered from laboratory analyses of core samples, and the various stages of core log interpretation.