chemical abstract 中文意思是什麼

chemical abstract 解釋
化學文摘
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • abstract : adj 1 抽象的 (opp concrete); 理論上的 (opp applied); 觀念的,空想的 (opp practical)。2 難解...
  1. Abstract : to specialize the experiments in analytic chemistry is to establish the training of students ' practical technique and vocational ability as the key aim of the course of analytic chemical experiments, to combine the teaching of analytic chemical experiments with the specialized courses and infiltrate it into those courses, and to integrate the teaching of analytic chemical experiments into specialized teaching and make it play a more important role in specialized teaching

    摘要:分析化學實驗專業化就是將學生實踐技能、職業能力的培養作為分析化學實驗課程的核心目標,將分析化學實驗教學結合有關專業的特點,向專業課滲透,使分析化學的實驗教學更密切地結合專業教學,更好地為專業教學服務。
  2. Abstract : this article concludeed the chemical and pharmacological research of citrus grandis ( l. ) osbeck. it is valuable to developing its activities in blood pressure regulation, anticoagulation and bacteriostasis

    文摘:對蕓香科植物柚的化學成分及藥理研究進行了綜述,認為該種植物在調節血壓、抗凝、抑菌等方面有較好的開發價值。
  3. The abstract of the specification may contain the chemical formula which best characterizes the invention

    有附圖的專利申請,還應當提供一幅最能說明該發明或者實用新型技術特徵的附圖。
  4. Abstract : based on the present possessed experimental data of steels with their different major chemical composition, this article formularized the calculation of linear expansion coefficients of fine carbon steels and low alloy constitutional steels through a series of alternate analysis, generalized statistics, curve superimposition and mathematical modeling

    文摘:對優質碳素結構鋼和幾類低合金結構鋼,在現有實驗數據的基礎上,通過迭代分離、綜合統計、圖象分析和數學擬合,得出按鋼的主要化學成分確定其線膨脹系數的計算關系。
  5. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響,發現電子能譜發生了移動,化學勢不等於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。
  6. Abstract : the paper introduced the optimization of chemical composition of rare earth microalloy

    文摘:對玻璃模具材質的化學成分進行了合理設計和優選。
  7. Abstract : events contributing to the establishment of statistics the science of data and its chemical branch are epitomized. as the new chemical branch named chemometrics or chemstatistics has been disputed in the circles of chemistry for a long time, reasons for adopting chemstatistics are given, which is defined as the science of gathering or generating, describing, summarizing and interpreting the data concerned to acquire new chemical knowledge or information. the fact that many traditional statistical methods, such as significance tests, analysis of variance, regression and correlation, and some others not usually considered statistical, such as model building, monte carlo method, fourier transformation, artificial nerval networks and pattern recognition, each contains one or more of the five connotations of statistics is expounded. the regular pattern that a chemstatistician grows up is approached. the urgent task is to include chemstatistics in the undergraduate or graduate curriculum of chemistry specialty. the goal of the project is to nurture chemists who know statistics

    文摘:本文追溯了統計學發展、建立中的大事,陳述了它的定義及其化學分支發展、建立的梗概;鑒于化學界對該新興化學分支學科的名稱長期存在爭議,提出了以化學統計學而不以化學計量學為該學科名稱的理由,把化學統計學定義為一個研究有關數據的收集或產生、描述、分析、綜合和解釋,以獲得新化學知識或信息的學科;闡明了許多公認屬于統計學的方法,如顯著性檢驗、方差分析、回歸和相關,以及一些尚未認定屬于統計學的方法,如模型建立、蒙特卡羅方法、傅立葉變換和人工神經網路,都含有統計學5個內涵中的一個或多個;探討了化學統計學家成長的模式,認為當務之急是把化學統計學納入化學專業的教學計劃,以培養懂統計學的化學家。
  8. Abstract : the principal development of the study on chemical conversion of nitrogroup derivatives for the toluene was summarized at first based on this review, described herewith are reaction mechanisms and effects substituents and concluded four methods about sclcctive oxidation of nitrotoluene

    文摘:在這篇文章中,首先綜述了甲苯硝基衍生物研究的進展,根據這一評論詳細地說明了化學轉化機理和取代基效應,並對硝基甲苯的選擇性氧化進行了簡單評述。
  9. Abstract : starting from the crystal structural characteristics and through the theoretical calculation of the chemical bonds of diasporite and kaolinite structures and the study of the flotability of the flotation systems of anionic collector ( sodium oleate ) and cationic collector ( dodecylamine ), the relationship between the crystal structural characteristics and the flotability of diasporite and kaolinite and the main causes for the difference in their flotability are analysed by the crystal chemical theory of minerals

    文摘:從一水硬鋁石和高嶺石的晶體結構特徵出發,通過對一水硬鋁石和高嶺石結構中化學鍵的理論計算及陰離子捕收劑(油酸鈉) 、陽離子捕收劑(十二胺)浮選體系中可浮性的研究,採用礦物晶體化學理論分析了礦物晶體結構特徵與可浮性之間的關系,以及產生一水硬鋁石和高嶺石可浮性差異的主要原因。
  10. Abstract : in our study, we observed the clinical manifestations of 15tetramethylenedisulfotetramine ( tem ) toxicosis emergency patients diagnosed by plasma toxin chemical analysis, and evaluated the effect of emergency treatments

    文摘:觀察了15例經血中毒物定性分析確定為毒鼠強中毒的急診病人的臨床癥狀,並分析了各種急診處理的療效。
  11. Abstract : by analyzing theae factors which influence the reduction process and ferrous powder ' s quality, reduction temperature, reduction time, scale thickness and additive quantity are chosen to discuss their effect on the chemical composition and the crashed property of sponge iron

    文摘:分析了馬鋼軋鋼鐵鱗的原料狀況,選取還原溫度、還原時間、料層厚度和添加劑等工藝因數來研究它們對海綿鐵化學成分和破碎性能的影響規律,為海綿鐵的工業生產提出合理的工藝制度。
  12. Chinese title, english title, author, the affiliation and address of the first author, journal title, publication year, volume, issue, page, publication type, check tag, history of medicine, grant type, subject headings, classification code, language, chinese abstract, english abstract, animal variety, dosage forms, pharmacology of chinese herbs, pharmacology, name of disease, diagnosis standard, pathogenesis, trial type, treatment of disease, name of drug and formula, chemical name of medicines, english name of medicines, ingredients and dosage of formula, drug compatibility, usage and dosage, acupuncture and tuina points, acupuncture and tuina manipulation, side effect, therapeutic effect guideline, result of cure, materia medica, chemical structure, physical and chemical properies, effective component, chinese medicine identification, method of processing, pharmaceutical techniques, medicinal action and pharmacological effect, pharmacokinetics, and toxicology

    中文文題、英文文題、作者、第一作者單位、第一作者所在地、期刊名稱、出版年、卷、期、頁碼、文獻類型、特徵詞、醫學史、資助類型、主題詞、關鍵詞、分類號、語種、中文文摘、英文文摘、動物品種、劑型、中藥藥理、西藥藥理、疾病名稱、診斷標準、疾病機理、試驗方法、疾病治療、藥名方名、化學藥名、英文藥名、組成劑量、藥物配伍、用法用量、針推穴位、針推方法、不良反應、療效指標、療效結果、藥材學、化學結構、理化性質、有效成分、中藥鑒定、炮製方法、制藥工藝、藥物作用與藥理效用、藥代動力學、毒理學。
  13. Abstract : the safety of extended service for butadiene extraction and rectification tower , after design life and with corrosion in rubber plant, qilu petro - chemical industry company is evaluated according to the safety assessment rules of pressure vessels containing defects in service

    文摘:根據在役含缺陷壓力容器安全評估規程,對運行已達到設計壽命並存在一定腐蝕的齊魯石化公司橡膠廠丁二烯萃取精餾塔的超期股役安全性進行了分析與評定。
  14. Abstract : the functions of the multimedia cai for chemical reaction engineering that is developed by vb are introduced in the paper. mainly utilized technology and appl ication are discussed

    文摘:本文介紹用vb語言開發《化學反應工程》多媒體課件的性能特點,討論實現中的一些主要技術及課件的使用情況。
  15. Abstract : the methods to determine the chrome content of waste liquor of modified two - bath chrome tanning process were studied by chemical analysis

    文摘:研究了變型二浴法的鞣製廢液中,鉻含量測定的化學分析方法。
  16. It has been assessed as the chinese statistical resource journal the chinese core journal of science and technology and the chinese academic journal comprehensive evaluation database, enrolled in the guide to the core chinese periodical 2004 edition, and included by medline, abstract journal, and chemical abstracts, as well as several domestic authoritative data bases such as the china biological medicine database and chinese science citation database

    本刊始終堅持質量第一,所刊文章代表了國內中西醫結合最新水平,被確定為中國科技論文統計源期刊中國科技核心期刊中國學術期刊綜合評價數據庫統計源期刊,編入中文核心期刊要目總覽2004年版。 1983年被美國medline收錄, 2004年被美國化學文摘及俄羅斯文摘雜志收錄,還被中國科學引文數據庫中國生物醫學文獻數據庫等國內多個權威數據庫收錄,總被引頻次與影響因子均居同類期刊前列表1 。
  17. Abstract : this paper gives a general review of the prod uction of fats and oils from microorganisms, the important factors that work duri ng the process, qualitative analysis, physical and chemical properties and quality properties of the products as well as the microorganism is applied to make the functional oils and fats at home and abroad. the production of functional fats an d oils from microorganisms are also investigated

    文摘:從影響微生物油脂合成的重要因素、微生物油脂的制備、微生物油脂的定性分析、產品的理化指標和質量指標及利用微生物生產功能性油脂等幾個方面,對國內外微生物功能性油脂的研究進行了綜述。
  18. Abstract : soil fertility of the plantations of paramichelia baillonii, betula alnoides, acacia mangium and altingia excelsa in tropical area of yunnan does not decline rapidly, and the physical and chemical properties of forestland are not affected greatly if the plantations can be managed properly

    文摘:在雲南熱區營造山桂花、西南樺、馬尖相思、高阿丁楓等4種人工林,只要經營得當,對林地土壤理化性質並不造成重大影響,不會引起地力迅速衰退。
  19. Abstract : the colour, collapse phenomenon and chemical component of the friction surface of powder metallurgy airplane brake materials with different base are studied in this paper

    文摘:在不同的摩擦速度下,考察了鐵基、鐵銅基及銅基粉末冶金航空剎車材料摩擦面的變化情況。
  20. Abstract : in view of, in the modification and maintenance of petro - chemical unit, the limited working space and inability of available hoisting equipment to meet hoisting installation requirements, a simple and reliable hoisting tool used is introduced taking account of the construction conditions

    文摘:在石油化工裝置大型設備的技術改造和檢修作業中,針對現場施工空間小、現有吊裝設備無法滿足施工要求的情況,介紹了因地制宜設置簡單可靠的吊裝機具,完成吊裝作業的方法?門架旋轉作業法的成功應用。
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