種子產量預測 的英文怎麼說

中文拼音 [zhǒngzichǎnliáng]
種子產量預測 英文
seedproduction
  • : 種名詞(姓氏) a surname
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ動詞1 (人或動物的幼體從母體中分離出來) give birth to; be delivered of; breed 2 (創造財富; 生...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • 種子 : seed; semen; germ; grain; stock; spermo ; spermato ; gono 種子測定 seed testing; 種子處理 seed tr...
  • 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
  1. Land resource is the restricted factor of construction and development in town, and is the carrier of all kinds of production and living. it has important meaning for sustainable development to do well the constructive land forecast for protecting infield and control engross of constructive land to farming

    土地資源是城鎮建設發展中的重要制約因,是各生活的載體。為了落實耕地保護政策和控制建設用地佔用耕地,需要做好建設用地需求,這對做到可持續發展有著重要意義。
  2. We find the decay rate of 7be in be is smaller than that in au. the change of decay rate ( 0. 71 + 0. 32 ) %, indicates that the environment can indeed alter the decay rate, and the electronic affinity is not the only factor affecting the decay rate, so that one has to take the structure of the host materials into account in explaining the change of the decay rate

    本工作將反應p + 7li 7be + n生的7be分別注入至計電親和勢相差較大的材料be和au中,7be在這兩材料中的衰變率的變化,發現7be在be中的衰變率要小於在au中的衰變率,其相對變化為( o
  3. 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、定了20常見生物質的能(發熱)和c 、 h 、 n元素含,根據實驗結果分別建立了以h和c為自變的生物質能經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能轉化率計算和生物質能利用率計算提供了依據和方便; ( 2 )選擇了8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,解析出各生物質的頻率因和活化能參數,進而建立了各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、生能力設計理論和功率計算方法及臨界轉速理論等。
  4. The regression equation between base moisture of soil and yield is set up, in which the soil base moisture of previous year is used as a limited factor on the yield of later year, which can forecast a upper limit of the yield with 95 % statistical significance, so the opportunity which appears when the yield determined by user disagrees to the reality, and the degree that fertilizer recommend result tallies reality is improved. the databank of model between yield under fertilizer effect on loess plateau are established, so the system estimate ability is enhanced

    系統採用前一年的底墑作為后一年的限制因,建立了底墑與的回歸方程,利用統計規律保證利用此方程對上限的達到95的置信度,以此減少用戶定時出現不符合事實的機會,提高了施肥推薦與實際生符合的程度;建立了黃土高原區效應模型數據庫,增強了系統的能力;採用了兩肥料分配方案,便於不同的生者進行選擇。
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