物質平均大小 的英文怎麼說

中文拼音 [wùzhípíngjūndàxiǎo]
物質平均大小 英文
mass median size
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 物質 : matter; substance; material
  1. There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry. now, we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter, where q is an up or down quark field. on the one hand, from the experimetal data, it is found that < qq > vac = - ( 225 25mev ) 3, on the other hand, with the hellmann - feynman theorem, quark condensate can be evaluated on the hadronic level. in this paper, we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change. it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter. because nertron stars are homogeneous and at very low temperature, we will use the mean - field approximation and zero temperature throughout this paper

    鑒于已有大量文獻討論了核物質中的夸克凝聚，本文將討論在奇異物質中的夸克凝聚。而在介質中的夸克凝聚的基本公式可由hellmann - feynman理論導出，所以運用手征對稱自發破缺拉氏量以及平均場近似，我們就可以討論在奇異物質中的夸克凝聚，由所計算的結果表明： （ 1 ）奇異物質中的夸克凝聚隨奇異物質密度的增大而單調減小。 （ 2 ） -凝聚的出現對衰減率有影響。
  2. With the development of worldwide petroleum industry, deviated holes, branch holes and horizontal wells are used to exploit oil reservoir which is smaller, thinner and worse. logging while drilling ( lwd ) is used to evaluate and geosteering drill in this kind of reservoir because of its characters

    隨著世界石油工業的不斷發展，大斜度井、分支井和水平井等鉆井技術越來越多地被用來開發規模更小、油層更薄、物性更差、非均質性強的油藏。
  3. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面，研究了單纖維在平行均勻光束垂軸入射時的光學性質.分析了單纖維反光和透光的特徵，光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下，漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時，纖維的漫射光強度與纖維直徑成正比的關系
  4. In preventive groups, the levels of lpo in liver and lung were decreased and the activities of gst were increased compared with those in so2 inhalation group. with higher dosage of seabuckthorn seed oil administrated introperitoneally ( 6ml / kg body weight, 8ml / kg body weight ), lpo and gst changed significantly. it was showed that seabuckthorn seed oil treatment born more protective roles to lung than liver

    通過腹腔注射沙棘油對小鼠抗二氧化硫所致氧化損傷作用的研究表明：注射沙棘油后， so _ 2吸入組小鼠的肝、肺組織脂質過氧化物水平（ lipidperoxidation ， lpo ）都有不同程度的降低， gst活性均有不同程度的升高，且沙棘油高劑量組（分別相當於6ml沙棘油kg體重， 8ml沙棘油kg體重）的變化要大；肺組織的變化比肝臟組織顯著，即沙棘油對肺臟的保護作用較肝臟明顯。
  5. 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。
  6. Effectively remove aged horniness and waste from skin, particularly oil particles in pores, regularize sebum secretion, mildly shrink pores ; combined with whitening herbal essence, nourish and promote blood and air circulation, shrink rough pores, remove fine lines and make skin smooth and clear

    有效清除含有黑色素的老化角質和代謝所產生的老化廢物，特別是滯留在細小毛孔中的微粒油脂，均衡調節皮脂分泌，溫和收斂皮膚毛孔；配合有美白效果的中藥成分，滋養和改善肌膚血氣運行，收細粗大毛孔，撫平細紋，締造光滑、透明的澄凈肌膚。
  7. Investigating from the component of the cost, the expenditure of the labor share about 60 % in the total cost. the result also tells us the production of the china ' s oil crops is labor - intensive, and the degree of the mechanization is very low. using the method of econometrical, the technical efficiency ( te ), the resources allocation efficiency ( ae ) and economy efficiency ( ee ) are calculated for each main province from 1993 to 1998

    從我國油料作物生產投入的成本結構來看，我國油料作物的生產成本中勞動力的投入占據了較大的比重，平均在60的水平；而就是在較小比例物質費用的投入當中，以種子、肥料、農藥為主的直接費用又佔有85以上的比例，代表機械化程度的間接費用（資本折舊費、農具修理費等）只佔有很小的一部分比例。
  8. The 10 x 10 grids can be used to deal with the image of 160 x 140. only after processing 224 pixels, the reference figure center and average radius of object can be calculated by particle method. it is very effective to reduce processing area and to improve processing speed

    對160 140大小的圖象以10 10網點處理，僅需處理224個象素點后，就可以通過質點法計算出目標物體的參考形心和參考平均半徑，有效地減少了后續處理的圖象面積，提高了處理速度。
  9. Cloning is just like a double - sided sword - it may bring great benefit for the humans and grave disaster as well. to avoid the abuse of cloning and stop the related experiment, the following countermeasures must be immediately taken : ( 1 ) strengthen the moral discipline on science and technology, ( 2 ) strengthen the regulation and control taken by various governments and organizations, ( 3 ) strengthen the supervision of public opinion, ( 4 ) popularize the inculcation of bioethics. it can be concluded that only the means of administration, law, morality, public opinion and inculcation be taken, can the dissimilation of the technology of cloning be avoided and the healthy development of cloning toward the direction of benefiting humans be ensured

    在社會主義市場經濟條件下，實現教育公平的基本措施主要有：大力發展生產力，為實現教育公平的奠定堅實物質基礎；加強政策引導，通過實施義務教育均衡發展的政策，改革高考招生錄取政策，調整教育評價政策，促進教育公平；完善社會主義教育法，給教育公平提供法律保障，即通過加強教育立法工作、調整與教育公平發展不相適應的法律法規，嚴格按法律保障教育公平：深化體制改革，通過改革辦學模式、改革教育投資體制、改革教育管理體制來推動教育公平的發展；通過利益補償以縮小教育的不平等，要對貧困落後地區教育發展實行扶助和傾斜政策，推進薄弱學校改造工程和加大扶貧幫困力度，以促進教育公平的實現。
  10. The study shows that the substrate and other physical variables ( stream mean width, depth and velocity ) in changjiang river system from 1st to 6th order streams present a continuous gradient of physical conditions

    研充表明閶江河一至六級支流平均寬度、深度、流速及底質組成和顆粒大小等物理參數具有明顯的梯度變化。
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