measured rate of time 中文意思是什麼
measured rate of time
解釋
所測時間變率-
Under the condition of different soil humidity and measuring time, a series of ecophysiological indexes, such as net photosynthetic rate, transpiration rate, stomatal conductance, the flow of water, atmospheric temperature, relative humidity, photosynthetic available radiation, and hydraulic conductivity are measured in order to find the factors which cause robinia xylem embolism
摘要在不同的土壤水分含量和不同的測定時間條件下，對刺槐的一系列生理生態指標：凈光合速率、氣孔導度、蒸騰速率、水勢、大氣溫度、相對濕度、光合有效輻射以及導水率進行測定，探求刺槐木質部發生栓塞的影響因子。 -
Tvb - n value, tba value, dehydration rate, thawing waste, cook drip were measured after being stored a period of time
定期取樣測定其揮發性鹽基氮（ tvb - n ）值、硫代巴比妥酸值（ tba ） 、冷藏乾耗率、物料解凍時的汁液流失量及煮汁率。 -
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。 -
In those experiments wave shapers have been utilized to modify the incident wave so that the condition of constant strain rate is satisfied more sufficiently. the effect of outer factors on the stress equilibrium of early stage in the specimen was analyzed, and the methods to improve the uniformity of stress in specimen at early stage were given. the elastic wave velocity of specimens can be determined by the wave shape fitting of the predicted transmitted wave with the measured transmitted wave at the early stage, furthermore, the shifting - time in shpb data processing can be determined
在shpb實驗中採用波形整形技術使入射波的上升沿變寬；分析了影響shpb實驗中試件早期應力平衡的外部因素，給出了改善早期應力均勻性的方法；採用透射波的早期預估波形與實測波形作對比的方法確定了shpb實驗數據處理中的延遲時間；因而在實驗中得到了比較準確的應力應變曲線。 -
At last, the heart beating speed and blood pressure of taxi drivers and the response time are measured after the vibration duration is 0, 2, 4, 6, 8, 10 hours. the phenomena that response time is longer and longer, the rate of heart beating is faster and faster and blood pressure raises firstly and then decreases are founded. the drivers will suffer from fatigue in about 8 hours
最後，本論文在國內外首次對出租車駕駛員工作0 、 2 、 4 、 6 、 8 、 10小時后的心跳速度和血壓這兩個生理指標及反應時間進行了測量，並發現隨著工作時間的增加，出租車駕駛員的反應時間逐漸加長，心跳速度逐漸增加，駕駛員的血壓先增加后降低;發現出租車駕駛員大概在工作8小時之後疲勞，與駕駛員的主觀感覺完全吻合;通過計算，職業駕駛員疲勞時對應的估計振動劑量值為: 11 . 12ms - 1 . 75 ，依此可以將此研究成果推廣到其他類似出租車駕駛員的職業駕駛員的疲勞判別中，從而可以制定出更合理的作業時間。
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