材積生長量 的英文怎麼說

中文拼音 [cáishēngzhǎngliáng]
材積生長量 英文
volume growth
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
  1. Hongxing forestry is rich in natural resources, it has 15. 5million cubic meters of active timber reserves, in addition, it has more than one hundred kinds of trees such as korean pine, larch dragon spruce, fir, birch, oak and manchurian ash, etc, gold and iron, etc, many kinds of metal mines, such as abound in free burning coal, marble and limestone deposits ; hundreds of wild medicine materials with developing prosperity, such as acanthopanax, fruit of chinese magnoliavine and dangshen, etc

    紅星區自然資源相當豐富,活立木總蓄1550萬立方米,有紅松、落葉松、雲冷杉、樺木、曲柳等百余種樹木;黃金、鐵等多種金屬礦,焰煤炭、大理石、石灰石等儲豐富,礦質優良;刺五加、五味子、黨參等幾百種野頗有開發前景。
  2. The first, review gu qiaoying ' s growing up process from four aspects which are the accumulation of knowledge and the rudiment of speciality sense, the exploration of the idea " teaching and learning vividly " and the forming of teaching style, the maturing of educational ideas and the sublimation of speciality charm. the second, on the base of striving to comprehend gu qiaoying ' s educational ideas connotation, make a theoretical carding and interpretation on her " teaching and learning vividly " idea from three aspects which are the " dead " teaching material taught by " living " person, teaching vividly in order to learn vividly and teaching " biology " as " biology ". the third, make a systematic induction and summary on gu qiaoying ' s biology teaching reform and practice on her lesson preparation, conception teaching, experiment teaching, extracurricular scientific and technological activities teaching, elicitation method of teaching, object teaching, fostering students " learning interest and the capacity of problem solving

    第一部分,對顧巧英的專業成過程,從知能的累與專業意識的萌芽、物學教學的適應與職業意識的確立、 「教活學活」的探索與教學風格的形成、教育思想的成熟與專業魅力的升華四個方面進行了評介;第二部分,在力求體悟顧巧英教育思想內涵的基礎上,從「死」教「活」人教、教「活」是為了學「活」 、把「物學」教成「物學」三方面對其「教活學活」思想進行了理論梳理和闡釋;第三部分,對顧巧英的備課、概念教學、實驗教學、課外科技活動教學、啟發式教學、直觀教學、對學學習興趣與問題解決能力的培養等物學教學改革與實踐進行了較系統地歸納與總結;第四部分,對影響顧巧英專業發展的主要因素,從其人格力、專業知能基礎、專業發展的社會環境等方面對進行了理論分析;第五部分,在以上研究的基礎上,進一步指出了顧巧英教育思想對我國物學教學論課程建設及其專業發展與教學經驗對我國中學物學師資培養的理論和實踐意義。
  3. This paper gives a survey on experimental forestland. 25 tree species were selected, and arranged in order by average diameter at breast height, average height, average individual volume and annual average volume increment in a unit area in this experiment

    摘要簡要介紹了試驗林地的概況,選擇了25個樹種進行試驗,並按各樹種林分平均胸徑、平均樹高、平均單株和平均單位面的年平均進行排序。
  4. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    大學期間,我嚴格遵守學校規章制度,尊敬師、團結同學,有很強的集體榮譽感;學習認真刻苦,成績良好,我的專業學習涉及內容相當廣泛,包括英語的所有基礎課和國際商法、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟學等;重視理論聯系實際,在學好專業課的基礎上,極參加各項社會實踐、實習活動, 2001年6月,我曾為世界b級自行車錦標賽(中國?秦皇島)擔當翻譯工作,在多所外語學校擔任英語教師,還多次為北方物流置業有限公司(國家、河北省重點建設項目)翻譯招商料,而且2002年年底,在秦皇島正大有限責任公司行銷部實習;在學好專業課的同時,為了補充和擴展自己的知識面,我廣泛涉獵其他學科的知識,如計算機、網路、創業等,盡使自身更快成為一專多能型人才, 2002年4月開始參加燕山大學學創業計劃大賽,並在2003年上半年參加了河北省大學創業計劃大賽,獲得了一等獎的優異成績,並將報送參加國家大學「世紀杯」創業計劃大賽, 2002年4月,參加燕山大學「綠色網路」網頁製作大賽,獲得了優秀獎。 。
  5. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas子阱紅外探測器( qwips )是近二十年來迅速發展起來的一種新型紅外探測器,它成功地利用了gaas勢阱和al _ xga _ ( 1 - x ) as勢壘之間的子帶間吸收,使之具有能帶結構可精確設計從而獲得指定光譜響應的特點,加之成熟的技術、器件工藝,以及商業上可獲得大面的vlsigaas集成電路,使得gaas algaasqwips尤其適宜製作8 12 m波范圍的大面陣探測器。
  6. Measuring log volume is always a key part in many departments, such as forest industry

    原木的測一直是林業部門產的一個關鍵環節,期以來使用人工檢尺的方法。
  7. Through the multi - character correlation degree analysis of p. massoniana family, 37 families whose volume growth was high and whose fruit - bearing character was good, 10 families whose volume growth was moderate and whose fruit - bearing character was good as well as 7 families whose volume growth was high and whose fruit - bearing character was moderate were selected

    通過馬尾松家系多性狀的關聯度分析,評選出材積生長量高且結實性狀好的家系37個,材積生長量中等且結實性狀好的家系10個,材積生長量高且結實性狀中等的家系7個。
  8. The researchers say growing stock increased in twenty - two of the fifty countries. and, in about half of the fifty, biomass and carbon storage also increased

    研究者稱,在50個國家中有22個國家的立木在不斷增。另外,約有一半的國家和碳貯存仍在增
  9. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水低,化學穩定性和物學穩定性好,使用壽命的特點.陶粒濾料是一種能增加水產,提高出水質,節省藥劑和能耗的新型高效過濾
  10. 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物質熱解液化制取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種常見物質的能(發熱)和c 、 h 、 n元素含,根據實驗結果分別建立了以h和c為自變物質能預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能轉化率計算和物質能利用率計算提供了依據和方便; ( 2 )選擇了8種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物質熱解反應動力學微分方程,並採用goast - redfem分法和p函數對其動力學參數進行了求解,解析出各種物質的頻率因子和活化能參數,進而建立了各種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物質顆粒的徑比進行了實驗觀察和測定,得出物質的徑比( 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、產能力設計理論和功率計算方法及臨界轉速理論等。
  11. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉,得到了含氮為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響,給出了cn薄膜中n含較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電等離子體增強pld的氣相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉為滿足動力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜過程進行了實時診斷,得到了實驗參對等離子體中活性粒子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜過程的影響,給出了si基表面碳氮薄膜的模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉,證明了通過控制料表面動力學條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮料的速率。
  12. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉參數的精確控制,以控制沉過程,減少金剛石膜過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉過程;利用微波對料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片料的復合溫度場模型及復合介質料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱料的制備,並對基片加熱料進行了設計和優選,以獲取大面均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉金剛石的成核與研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  13. Refers to total stock volume of wood growing in forest area, which shows the total size and level of forest resources of a country or a region

    指森林面著的林木樹乾,是反映一個國家或地區森林資源總規模和水平的重要指標。
  14. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 ( si _ 2on _ 2 )結合相的實驗條件,實驗數據顯示:引入適的燒結助劑能夠促進si _ 3n _ 4 ( si _ 2on _ 2 )的成和晶粒的大,而過時,其促進作用反而下降;隨著si粉加入增加,成的結合相明顯增多,復合料的性能顯著提高;改變sic顆粒級配不僅影響復合料的強度與堆密度,而且對復合料的物相與顯微結構也有影響,隨著顆粒逐漸細化,料的強度有較大的提高;對復合料的強度、物相與顯微結構影響最大的是氮化制度,經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合料性能最好;通過抗熱震性能實驗后復合料的殘余強度較高,顯示出較好的抗熱震性能。
  15. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質的氧化鋅薄膜,我們採用金屬有機源和二氧化碳氣源,首次利用等離子體增強化學氣相沉的技術在低溫下制備了高質的氧化鋅薄膜,系統地研究了條件以及襯底表面氧化層對薄膜質的影響,確定了高質氧化鋅薄膜的優化條件;為獲得p - zno料,克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難,我們通過熱氧化zn3n2的方法制備了p - zno ,獲得了一系列研究結果: 1 、詳細研究了氣體流速比,襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
  16. Integrated with the company ' s dozens years of production experience, adopted advantages from all quarters, special treated with choice materials, the machine is a masterpiece of strong technology and advanced production equipment

    本機集我公司幾十年累的產經驗,博採眾,選用優質料,特殊處理,是雄厚的技術力和先進的產設備的完美之作。
  17. On the one hand, these selected works have altered the structure of the chinese middle school textbooks, brought some fresh blood into chinese text books, add new energy, broadened students " range of views, and made them acquire more foreign literary knowledge, perfected their structure of knowledge ; on the other hand, the theme and characters in these foreign literary works have evoked young students " intense repercussion generation by generation, and thus contributed a lot to students " healthy growth in body a nd mind

    這些入選作品一方面改變了語文教的結構,給語文教注入了新的血液,增加了新的能,同時開闊了中學的視野,使他們淀了豐富的外國文學知識,也完善了他們的知識結構;另一方面,外國文學作品中的主題思想、人物形象引起一代又一代的青年學的強烈反響,對他們身心的健康成極而又深遠的意義。
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