Two explanatory articles on toxicity management, safety evaluation and standard formulation of chemical substances. 3. Guiding comments, summaries, summaries, lectures, special discussions and book reviews with practical reference value. Academic activities, scientific research trends and research progress at home and abroad related to toxicology, as well as product information and advertisements related to safety, environmental protection and health. 1. The manuscript should be in duplicate, scientific and logical. The text is concise, the level is clear, the data is accurate, and the writing is neat and standardized. Papers, summaries and lectures generally do not exceed 5000 words, experimental research and method introduction generally do not exceed 4000 words, and short stories are generally ~ 1000 words.
2. The title tries to reflect the theme of the article concisely and prominently. There should be no unknown and unusual abbreviations or symbols in the title. Chinese titles should be less than 20 Chinese characters, and subtitles are generally not used.
3. The first author should indicate the department, province and city and postal code. When the author is not in the same company, the upper right corner of the author's name and the upper left corner of the work unit are marked with "1" and "2" respectively.
4. The paper must be accompanied by a Chinese and English abstract, which must include four parts: purpose, method, result, main data and conclusion, and each part should have a corresponding title. Write in the third person, without subjects such as "this article", "author" and "this study". Generally, the Chinese abstract does not exceed 400 words, and the English abstract has about 2000 printed symbols. The English abstract should also include the title, the Chinese pinyin of the author's name, the company name, the city name and the postal code.
5. Papers need to be indexed with 3 ~ 8 keywords. Please try to use the words listed in the latest edition of Index Medicus edited by the National Library of Medicine. Capitalize the 1 th letter of each English keyword and use ";" Between every word. Separate.
6. Every chart should have a chart title. Descriptive data should be placed in the notes at the bottom of the chart, and all unused abbreviations used in the chart should be marked in the notes. This magazine uses three horizontal lines to represent the top line, the top line and the bottom line. The data in the table requires the same number of significant digits of the same indicator, which is generally determined according to the standard deviation 1/3. The aspect ratio of a line chart is about 45 cm×65 cm, and the width of a single line is about 7 cm. Photos need good clarity and contrast. The symbols that need to be marked in the attached drawings, including arrows, should be marked on paper alone and cannot be written directly on the photos. The back of each picture should indicate the picture number, the author's name and the up-and-down direction of the picture.
7. Statistical symbols are written in accordance with the relevant provisions of the national standard GB3358 1982 "Statistical Terms and Symbols". Commonly used are: ○ 1 is the arithmetic average of English lowercase samples? , the median is still in m? ; 2 standard deviation in English lowercase s; ○3 standard misuses English lowercase s? ; ○4t test English lowercase? t； ○ 5F test of English capital f; ○6 Greek lowercase used for chi-square test? χ2; ○7 Correlation coefficient in English lowercase r? ; ○8 degrees of freedom with Greek lowercase V button; ○9 Number of English lowercase samples? n； ○ 10 probability in English capital p? . All the above symbols are in italics.
8. Abbreviations should be used as little as possible. When it is necessary to use it, the Chinese full name should be written in the place where it first appears, and then the English full name or its abbreviation should be marked in brackets, and the latter two should be separated by ",". If you know the abbreviation, you don't have to mark the full English name. Abbreviations are not allowed to migrate.
9. The references conform to GB77 14? 1987 "Rules for the Description of References after Text" adopts the sequential coding system, which is marked with Arabic numerals and square brackets in the order in which the text appears. All the 1 ~ 3 authors in the reference are listed, and more than 3 authors are only listed in the top 3, followed by ","and so on. Or other corresponding words. Abbreviations should be used for the names of foreign periodicals, and the format in the Medical Index shall prevail; Full name of Chinese periodicals. Each reference must be marked with a start page and an end page. References must be checked by the author with the original text. Do not quote internal publications and materials. Topics covered by other papers, such as international or ministerial or provincial funds or key projects, should be footnoted at the lower left of the title. For example, the serial number of the project funded by XX Fund, with a copy of the fund certificate.
10. The submitted materials must be accompanied by a letter of recommendation from the company. The recommendation letter should indicate the comments on the manuscript, and there are no issues such as two submissions for one manuscript, no confidentiality, no signature dispute, etc. According to the Copyright Law and the specific situation of our journal, any manuscript that has not received the notice of manuscript handling within 3 months after receiving the receipt from our journal is still under review. If the author wants to contribute to other journals, please contact this journal first, and don't submit two manuscripts for one manuscript.
All submissions are at your own risk. In accordance with the relevant provisions of the Copyright Law, this journal can make textual amendments and abridgements to the manuscript, and all changes involving the original intention are submitted to the author for consideration. If the revised draft is not sent back for more than 3 months, it shall be deemed as automatic withdrawal. If it is revised after 3 months, it shall be handled according to the new draft. After the manuscript is confirmed to be published, the page fee shall be paid according to the notified amount. People who print color pictures need to pay for printing color pictures. After the manuscript is published, the manuscript fee will be paid as appropriate, and 2 copies of this magazine will be presented. This journal joined the CD-ROM version of China Academic Journal, and the manuscript was published in both print and CD-ROM versions. Once the manuscript is published in this journal, its exclusive right to use belongs to the editorial department of this journal. Without permission, the author may not reprint it elsewhere.