constant area 中文意思是什麼

The constant camp that for instance agency of division of constant camping ground leaves area of beijing rising sun social security office, it is sum institution allocating funds originally, should enjoy treatment of medical treatment at public expenses, avoid make 5 narrow pass, but the finance division because of them is too real sincere ( foolish ), what their staff member enjoys now is company treatment and pay of primary medical treatment

比如北京市朝陽區常營地區辦事處下的常營社會保障事務所，本來是全額撥款事業單位，應該享受公費醫療待遇，免交五險，可因為他們的財政科太實誠（傻） ，現在他們工作人員享受的都是企業待遇和基本醫療待遇。

The upper of the east model boundary remains constant head and the at the lower of it, there might exists a diffluent interface. so the east and west sides of the diffluent interface are respectively the drainage area of east and west karst - groundwater of yellow river

模型東界上部以黃河水位為第一類水頭已知邊界，下部必存在一個分流面，分流面東西兩側分別是黃河東西兩塊巖溶水的排泄區，該分流面可視為零流量邊界。

The rate of sweeping out of area is a constant-this is one of three kepler laws.

單位時間掃過的面積為常量，這就是開普勒三定律之一。

When the area of little irrigation district is constant, drip line of trickle irrigation has the optimizing length. if the length of drip line is longer or shorter than the optimizing length, the expense of trickle system increases

一般認為，毛管長度越長，則滴灌系統造價相應就會減少，因此，在優化設計時，通常認為毛管取最大長度。

Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

此方法的原理在於考慮一個等橫截面的圓形細桿介質，在波傳播到桿的一端時，產生了微小的軸向干擾。

Cultural area : the main equipment here is common cultural incubator, cultural incubator with constant temperature and humidity, anaerobic cultural incubator, etc

2培養區：主要有一般培養箱、恆溫恆濕培養箱、厭氧培養箱等。

The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。

The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly

摘要為了準確評價伺服電動機的動態性能指標，從電機的電壓、轉矩平衡方程式出發，在理論上對永磁直流伺服電動機的時間常數進行了分析探討，並對工程實際中常用的幾種測試方法進行分析和比較，指出其差別和適用范圍以及可能造成的測試誤差。

Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。

Ar air regulators in multiple burner systems, hold constant air - fuel ratio and the mixture pressure with reducing burner port area of up to 90 %

Ar空氣調節閥用於多爐頭系統，保持恆定的空氣燃料比和混合氣壓力。

The burning surface area remains constant during the entire firing.

在整個燃燒期間的燃燒面積是常值。

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 order to solve this problem, this thesis puts forward a hypothesis : to any type of basin underlayer, its hydrological response is constant and independent of its area and position

為了解決這一問題，本文提出一個假設：對任何一類流域下墊面，其水文響應（降雨徑流關系）是固定的，不會因其面積、位置等因素而發生變化。

Different disposal style for the reburning air & burning out air ( tangential or front and rear walls ) and their disposal heights. 2. different momentums of ofa ( under the condition of constant airflow of primary area and condition of constant flux inputted simulated boiler )

冷模試驗范圍包括： 1 、再燃風和燃盡風的不同布置方式（切向布置和對墻布置） 、布置高度； 2 、不同燃盡風動量（爐內總進風量不變和燃燒器主氣流不變兩種情況） ； 3 、再燃風、燃盡風的不同組合與主氣流之間的混合。

It was found that many dislocations were emitted from the crack tip during the early stage of crack propagation and were driven out of the crack tip area, and them piled up inversely. a closed dislocation free zone ( dfz ) was formed between the crack tip and the pile - up dislocations. keeping displacement constant, the dislocations were still emitted from the crack tip for a while

本文首先系統地研究了工業純金屬（ fe ， al ， ti和mg ）斷裂的微觀過程，發現所研究的工業純金屬斷裂過程裂尖均首先發射位錯，並離開裂尖向前運動、在裂尖留下無位錯區，位錯反塞積在五位錯區的端部，反塞積位錯群一般呈封閉狀包圍無位錯區。

After direct manipulation of radius, constant or variable radius area in mesh model can be modified quickly and exactly. using this method, rounding shape of a part or die can be directly modified on shell meshes for finite element analysis. ( 3 ) data segmentation on shell meshes is studied

對于已有的圓角過渡區域網格，根據圓角過渡特徵與基網格面的相切關系以及給定的新的圓角半徑，計算出輪廓線上各頂點對應的坐標，直接修改頂點的坐標值，保留網格模型原有的拓撲結構，使形成的新的網格與原有網格融為一體。

With ecotype watershed construction for target, make good eco - environment, production development and life wealthy come true, lie the economy and environment foundation for building a well - off society ; controlling effectively the sediment entering into the yellow river to meet the country ’ s demand, ensure yellow river safe ; making the watershed as a unit, the administrative region divisions and the watershed region divisions combine together ; with comprehensive management for center, various measures can be taken ; taking water - sediment balance theory as foundation, build up the relatively constant dam system ; taking science and technology as support, plan and design check - dams scientifically, and rightly evaluate the comprehensive benefits of check - dam ; on the basis of small watershed integrated management model, carry on managements, demonstration and extension in the large demonstration area

以生態型流域建設為目標，實現生態良好、生產發展、生活富裕，為建設小康社會奠定經濟和環境基礎;以有效控制入黃泥沙為國家需求，確保黃河安瀾;以流域為單元，行政分區和流域分區相結合;以綜合整治為中心，多種措施並舉;以水沙平衡理論為基礎，建立相對穩定的壩系;以科技為支撐，科學規劃和建設淤地壩，正確評價淤地壩的綜合效益;在小流域綜合治理模式的基礎上，開展大示範區成片治理、示範及推廣。

Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better

最後，針對擴壓器中的二維流場進行了數值模擬，結果表明馬赫數對擴壓器性能影響較大，隨著馬赫數的增大，擴壓器管道內激波-附面層干擾加劇，流動從附面層分離相應加劇，激波串數目增多;通過比較不同結構參數下的擴壓器內流場，發現等直段長度的變化幾乎沒有改變流場結構，只是對局部流場稍有影響，並且在其它參數不變的情況下，一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。

Sub - choking phenomenon of low - speed gas flow in a long - constant - area microchannel

長微直管內氣體低速流動的亞堵塞現象

The constant area type

不斷的地區類型