Most people write scientific papers for promotion, promotion, degree, honor and so on. The purpose is different, but the goal is the same, so the paper will be published. Therefore, there is no end to writing scientific papers. I think every author has many reasons to join the ranks of writing scientific papers, but in fact, the real meaning of writing papers lies in sharing your knowledge with others and gaining a positive sense of accomplishment. Today, we have published many papers. Recalling the past, the excited mood no longer exists, and it is difficult to find the original feeling. Understanding our experience in writing papers is to tell those friends who want to write scientific papers, but are hesitant or poor in writing, that they can start writing scientific papers after the experiment, and they can write them with their heart first, without college background, and most of them become monks halfway, so they should believe in themselves [1-4]. When writing scientific papers, you can truly feel the feeling that your papers can be published in most journals, and you will have an unspeakable feeling in your heart. The twists and turns, the experience of getting along with the editorial department day and night, and the friendship established with editors and grandfathers will never be forgotten, which may enlighten those friends who want to write scientific papers but are difficult to get started. 1 characteristics and classification of medical scientific papers 1. 1 basic characteristics of medical scientific papers [2,4-7] At present, there is no complete unified understanding of the definition of scientific papers. However, as the publishing object of sci-tech periodicals, we might as well define sci-tech papers as: in the process of understanding and transforming the objective world, people reveal things and/or have some similar real significance through material argumentation that is enough to repeat their own experiments (practical potential) and convince others, and publish them in regular sci-tech periodicals or other forms of narrative documents officially recognized by academic circles, which are collectively called sci-tech papers. Therefore, a complete scientific paper should be scientific, creative, logical, effective and readable. (1) scientificity-This is the methodological feature of scientific papers, which is different from all literary, aesthetic and theological articles. It not only describes the propositions related to the field of science and technology, but more importantly, the contents discussed have scientific credibility. Scientific papers cannot choose materials or draw conclusions at will according to subjective assumptions or personal likes and dislikes, but must be based on fully reliable experimental data or phenomenon observation. The so-called "reliability" means that the whole experimental process can be checked and verified. (2) Originality-the soul of scientific papers, which is different from other documents. It requires phenomena, attributes, particularities and laws that things follow when they move, or the application of these laws must be unprecedented, pioneering or partially pioneering, and must be discovered, invented, created and advanced rather than repeating, imitating or explaining the work of predecessors. ③ Logic-the structural characteristics of the paper. It requires clear context, rigorous structure, complete premise, correct calculus, standardized symbols, fluent characters, refined charts, reasonable reasoning, and self-contained. The topics involved in the article, no matter how big or small, should have their own premises or assumptions, argument materials and inferences. Through reasoning and analysis, we should be promoted to the height of academic theory, and there should be no conclusions made out of nothing, or piles of chaotic data and strings of original phenomena. (4) timeliness-refers to the way the paper is published. At present, only through peer experts' evaluation of relevant majors, and through the defense at an academic evaluation meeting, the case is filed for justice; Or scientific papers published in official scientific journals are recognized as complete and effective. At this time, no matter what language the paper is published in, it shows that the facts and truths revealed in the paper have been easily applied by others and become an integral part of the treasure house of human knowledge. ⑤ Readability is the literary level of the paper. A good paper should have a high literary level, including content expression in line with medical habits, proper grammar and rhetoric, no ill sentences, concise words, clear levels, clear concepts, clear descriptions, reasonable judgments and correct conclusions. 1.2 The classification of medical scientific papers is strict, so it is not easy to classify scientific papers because they are analyzed from different angles; There will be different classification results. For example, it can be divided into the theme content of the article, the publication form of the article and the narrative purpose of the article. The problem itself is not the main purpose of the current discussion. For editors of sci-tech periodicals, it is more important to grasp the key points of articles and the characteristics of different types of articles when writing, revising and editing papers. Therefore, scientific papers can be classified as follows for the time being. (1) demonstration type-a document that discusses and proves basic scientific propositions. For example, the establishment, demonstration, application scope and conditions of axioms, theorems, principles or assumptions of basic disciplines such as mathematics, physics, chemistry, heaven, earth and biology related to medicine and many other applied disciplines are discussed. (2) Type of scientific and technological report-In the national standard GB 77 13-87, it is said that scientific and technological report is the result or progress of a scientific and technological research or the result of a technological research experiment and evaluation; Or discuss the current situation and development of a scientific and technological problem. Narrative is a special case (such as clinical reports in many medical fields). Many articles on the feasibility demonstration of professional technology, engineering scheme and research plan can also be included in this type. Such an article should usually provide enough information about the research project. The accuracy and completeness of original data, including positive and negative results and experiences, often make it the basis and basis for further research. Scientific and technological report papers account for the majority of modern scientific and technological documents. (3) Discovery/invention type-a document describing the background, phenomenon, essence, characteristics, movement and change law of discovered things or events and the prospect of human beings using this discovery. A document describing the efficacy, performance, characteristics, principles and conditions of use of the invented medical equipment, systems, tools, materials, processes, formula forms or methods. ④ Computational type —— Propose or discuss the numerical calculation methods of different types of mathematical and physical equations (including different boundary values and initial conditions), other series or digital operations, computer-aided design, and the application principle, digital structure, operation method, convergence, stability and accuracy analysis of computers in different fields. It is usually the basis for further development of computer software. ⑤ Summary-This is a special scientific paper. The main difference from general scientific papers is that it does not require originality in the research content. Although a good abstract article often contains some new materials and new ideas that have not been published before, it requires the author to put forward the development and evolution law and trend of related professional topics in a specific period on the basis of comprehensive analysis and evaluation of existing materials. The title of the summary article is generally general, and the length is allowed to be slightly longer. There are usually two kinds of writing methods: one is to collect literature, supplemented by comments, and objectively comment less. The annual review of some active disciplines belongs to this category; The other focuses on comments. Through review, observation and prospect, this paper puts forward logical and enlightening views and suggestions. This kind of article is demanding and authoritative (such as expert review). It often plays a guiding role in the further development of the topic under discussion. ⑥ Other types-case report, medical record discussion, translation, etc. 2 writing steps 2. 1 collecting and sorting materials should be true, and the acquisition of materials must be the first-hand materials obtained by the author's personal investigation or experiment. It is by no means fiction, forgery or "taking for granted". All the data in the paper should be faithful to the factual materials, must be verified repeatedly, must be well documented, and cannot be subjectively assumed or falsified. All data must be statistically processed by appropriate statistical methods. Absolute number, ratio, percentage or value, standard error, confidence limit, etc. Used for statistical data, histogram, chart and line chart are used for statistics, and χ2 test is used for analysis; Rank data can be analyzed by rank sum, Ridit analysis, histogram and chart, rank sum test and Ridit analysis; Mean, median, standard deviation, standard deviation, percentile, reference value, histogram for statistics, t-test for analysis, analysis of variance, correlation and regression analysis, etc. Used for measuring data; The response time is based on annual recurrence rate, annual survival rate and median survival time. The basis of statistics is survival curve, survival ladder diagram, risk rate diagram, etc. And this analysis is based on a special statistical method, namely survival analysis. Source: innovative medical network/front/xuehulunwen/article.aspx? ArticleID = 27252 & ampDispMode= 100

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