particles. In addition‚ it is also able to evenly mix several different materials so that it has been widely used in coating‚ paint‚ rubber‚ abrasive‚ ceramics‚ ore‚ coal‚ metal powder‚ hard alloy‚ magnetic materials and other materials. Generally speaking‚ there are two methods used in the coal exploitation: over ground and underground exploitation. The choice of different mining methods id determined by the geography conditions‚ coal hierarchy and the sea filling project. Opening mining is often
Premium Mining Metallurgy Hardness
I. Methods of research to be used Descriptive research can involve collecting quantitative information‚ or it can describe categories of information such as patterns of interaction when using technology in the classroom. Although it may employ fundamentals of both quantitative and qualitative research‚ descriptive research does not fit neatly into the definition of either quantitative or qualitative research methodology. Descriptive research may be used most effectively within the educational
Premium Quantitative research Qualitative research Scientific method
Can violence be used for good? In some peoples opinions violence can be used for good‚ and in others it is never used as good. I believe that violence can be used for good only in certain situations though. It is mostly in the criminal justice field and sometimes for personal use. I believe that violence can be used for good if some is getting attacked on the street or anywhere‚ where they could be in possible danger. This doesn’t mean that they have to use violence to kill the opponent just
Premium Crime Law
PART I: SCIENTIFIC METHOD Scenario 1 Step 1: Observation Upon observation that the lights do not turn on when the light switch is turned to the “on” position‚ and also using the natural light coming in through the open front door‚ I observe the light switch is intact and nothing is out of place. I realize further research is necessary to determine the cause of the lights remaining off. This is an everyday situation perfect for the scientific method so after observation‚ it is on to the next
Premium Scientific method Oncology Cancer
Midterm Essay Exam 1.What are methods of inquiry and how are they used in criminal investigation? A: Methods of inquiry are ways an investigator gathers information for the particular case he or she is investigating. Some of the methods used in criminal investigation are evidence collection‚ collecting witness and victim statements‚ and searching electronic databases. An example of a method of inquiry for evidence collection would be the steps an investigator is required to use in gathering physical
Premium
Should animals be used for scientific experimentation? For many centuries people have experimented on animals. There are two main reasons for doing this: first‚ two find out more about the animal themselves‚ and‚ secondly‚ to test substances and procedures to see if they are harmful with a view to deciding whether or not they can be used on human beings. Therefore animals should be used for animal experimentation. Experiments on animals should be considered on a case-by-case basis. The proper
Premium Science Experiment Animal rights
process to create a logically structured argument that can act as our response or answer (but to what level of certainty?). Our senses are based on our perception‚ our ability to use our combined senses to understand and interact with our environment. Using information from our senses we can use as a basis for further investigation and inductive and deductive reasoning to understand things unrelated to those our senses are able to perceive‚ how are we to trust our rationalist thoughts if we are unsure
Premium Human Scientific method Perception
Alongside the various world religions there has been growth of two major worldwide faiths‚ namely Christianity and Islam. They are fast growing in Africa. Barrett’s (1982); sites an example in Zambia that about thirty five thousand (people became Muslims by 200.0. it is for this reason that the assertion that the world religious‚ Christianity and Islam have been influenced by their African setting. It follows that change does not just take place in human beings. There should be an influence towards
Premium Islam
integrity of the evidence at all cost. The investigator must know how to properly document‚ photograph‚ collect‚ and preserve each individual piece of evidence he or she is faced with. Although each crime scene is unique and varies from one another a visual image can be obtained through digital images. It is important though to know that proper steps should be followed in order for the images to be admissible in court. Some scenes can contain such as fingerprints‚ DNA‚ trace evidence‚ tool- mark impression
Premium Police Crime Forensic evidence
There are many stages and procedures involved in a criminal investigation. The interviewing stage is one of these and it is believed to be the most fundamental part of a criminal investigation as the evidence and information gathered from suspects‚ victims and witnesses can lead the police to the truth and discover the nature of the crime (Powell et al‚ 2014). Information or evidence gathered from a witness review may allow the police to establish new information about the crime such as a description
Premium Crime Criminal law Police