chemical formula 中文意思是什麼

chemical formula 解釋
化學式。

  • 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...
  • formula : n (pl formulas lae )1 公式,程式;定則,方案。2 【醫學】配方,處方。3 (政治口號等的)提法,表...
  1. 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。
  2. This temporary dress, consisting of a cloud of nonwoven cloth, is made by spraying a chemical formula directly onto the skin

    把這種含特殊化學配方的噴霧直接噴在皮膚上,你就擁有了一件合體的臨時衣服。
  3. Jack : the machine won ' t boot, it contains information that might stop a terrorist incident, the chemical formula of a cure for cancer and people ' s lives depend on me

    這機器不能啟動了,它裏面的信息有可能阻止一場恐怖襲擊,包含的化學公式可以治愈癌癥,無數人的生命都懸在我手上。
  4. The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd, sem, epma, dsc. it was found that the chemical formula, fe + si - fe ( si ) + fe3si ( si ), controls the reaction process, and the reaction mechanism of powder homogenization was clarified

    通過利用xrd , sem , epma , dsc等多種測試手段,詳細研究了鐵硅復合粉末帶材在700 1200的熱處理溫度條件下的反應狀況及結構變化,明確了反應過程中的化學方程式: fe + si fe ( si ) + fe _ 3si ( si ) ,並解釋了各個熱處理溫度范圍內,鐵硅粉末均一化的反應機理。
  5. Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight

    適當的化學性質資料,比如結構式,經驗式和分子量等。
  6. Element analysis apparatus and xps were taken to analyse the chemical components of the acquired products, the chemical elements of the systems were almost in according to which theoretical structural formula

    利用元素分析儀和xps對合成產物的化學成分進行了分析,各體系的化學元素基本與理論化學式相符。
  7. 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。
  8. We derived chemical index formula for minerals of all kinds homologous constituents in different geo - hydrologic unit, based on confined two dimension of groundwater chemical index representated from muti - dissolved chemical dynamics equations with hydrogeological conditions and hydrogeochemistry distinction

    摘要從多礦物溶解化學動力學方程出發,推演並建立了由水化學指標表示的承壓二維井流裘布依公式。
  9. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  10. Our yields increase with the mass of the progenitor main - sequence stars. massive stars ( i. e. 18m < m < 50m ) is the primary sites of the neclearsynthesis of the r - process and can explain the galaxy chemical evolution. 3. we present formula to calculat the r - process galactic chemical evolution of ba peak elements. this formula contains metallicity abundance and point out the relation of the ba peak elements and disscuss the effect of various mass supersnova. besides, our formula can be confirmed by a lot of observations

    由此可以解釋以下觀測事實: ( l ) mg , eu均產生於snh星,但質量范圍不同,在高質量( > 20 ) eu的產量高, mg的產量(相對于太陽) ,導致暈星中eu / mg > 0 ,而產生mg的質量范圍較大,致使在厚盤的晚期較小質量超新星也開始對mg有貢獻,而這些星對eu的貢獻很小,致使在厚盤星中eu / mg < 0 ,在厚盤中eu / fe隨金屬豐度的升高而降低,仁mg / fe隨金屬豐度的升高而不變
  11. A lot of indoor and in - suti test to the properties of the chemical grouting material, especially the properties requested by actual engineering has proceeded. active - diluent of furfural - acetone, low poison hardener. surfactant and a series of formula have been selected by experiment. cw series material has low glue degree, time last of it harden can be adjust, surface tension and contact angle of the material is low

    對漿材性能特別是工程實際對漿材要求的性能進行了大量室內、現場試驗測試,選擇性能優良的糠醛?丙酮活性稀釋劑、低毒憎水性固化劑、表面活性劑及系列漿材配比, cw系漿液粘度、固化時間大范圍可調、表面張力及接觸角小、漿材固化及固結強度高,具有優良的浸潤性能和工藝性能。
  12. Sintering or friction all brought about chemical change in the surface of solid lubricant and the change of valen ce state of mo, s, fe and so on ; the micro - hardness of pure ptfe was minimum and the surface - hardness of solid lubricant was increased with the increase of additional packing filler in formula ; the compressive strength of pure ptfe was minimum and its compressive strength could be increased notably by adding organic and inorganic filler. but not more additional amount, more notable increase of compre

    、 feso4 、 cus等物質;燒結及摩擦均使固體潤滑劑表面發生化學變化,使mo 、 s 、 fe等元素的價態發生變化;純ptfe的顯微硬度最低,固體潤滑劑的表面硬度基本是隨著填料加入量的增加而增加的;純ptfe的抗壓強度最低,在ptfe樹脂中加入無機填料均可明顯提高其抗壓強度,但並不是加入量越多,抗壓強度提高越明顯。
  13. At last, several suggestions are proposed : to design a new formula without public hazards ; to preform a toxicity eliminating design for existing toxic slurries ; to give the measures of implementing green chemical grouting including the respects of technique, equipment and environmental protection ; and to point several kinds of grouting matinals to be unsuitably used or carefully used, and to quick improve the techniques of prepolymerization and post - processing

    提出了按無公害要求設計新配方,對有毒害漿材進行去毒害改性設計,並通過採取工藝改造、設備更新、安全防護等措施來實現綠色化學灌漿的諸多辦法,並對不提倡用、應慎用和應改進預聚及后處理工藝的漿材品種提出了改進建議。
  14. Instructions : bg004 used the reputable chemical company ' s high quality wax emulsion, polymer, and advanced formula

    產品說明: bg004使用國際著名化學品公司高質量原料,先進的工藝配方製造。
  15. An improved formula based on huang ' s empirical formula was proposed to calculate the effective permittivity of chemical reaction at any temperature and reaction time by means of the temperature dependent number of molecules per unit volume of reaction solution

    基於反應溶液中單位體積內的分子個數隨溫度變化的情況對黃卡瑪提出的經驗公式進行了改進。
  16. This product adopts the updated chemical waterproof technology and excellent imported materials ; the super polishing wax and special resin with special formula can form a specially hard protective film on car body to prevent scratch, aging, uv and acid rain, with water repellent, good polishing and durable efficiency

    本品採用最新先進化工防水技術及進口優質材料,內含高級上光蠟及特別配方特種樹脂,能在車體上形成堅固的特殊保護膜,防止漆面劃傷及老化,防紫外線及酸雨的侵蝕,不沾水,上光好,長效持久。
  17. This thesis is intended to study and analyze the advantages and disadvantages of the recent chemical vapor dispersion simulation method, which includes experience formula, dispersion models and numerical simulation. the conclusion is that it is more suitable to adopt the dispersion models in the accident emergency response

    本文研究和分析了現有的化學品蒸氣擴散模擬方法(包括經驗公式數據法、擴散模式法和數值計算方法)的優缺點,認為在事故應急領域中應用擴散模式法較為適宜。
  18. Formula s founded on factors of water - binder and fly ash content is feasible. at the same time , the effects of fly ash quality ( grade , fly ash from huaneng fuzhou power plant ), content of chemical admixture etc al, are investigated

    本文利用環境掃描電子顯微鏡( esem )技術,研究粉煤灰對各齡期( 3d 、 7d 、 28d 、 60d )混凝土細觀結構的影響和不同品質粉煤灰對混凝土細觀結構的影響。
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