Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下： 1 ）對
翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模
型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模
型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模
型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫
翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對
翅片管蒸發器在干、濕和霜工況下的動態模擬。
Our main products are micro barometer low pressure gauge low pressure capsule gauge vacuum pressure with low pressure gauge pressure gauge with electrical contact shock - proof electric contact gauge stainless steel pressure gauge dry and glycerin filled pressure gauge normal pressure gauge freon pressure gauge oxygen - acetylene pressure gauge stainless steel vacuum pressure gauges series diaphragm seal pressure gauge diaphragm pressure gauge with electrical contact pp diaphragm seal pressure gauge shock - proof pressure gauge with electrical contact diaphragm seal pressure gauge explosion - proof electric contact pressure gauge minitype pressure gauge accurate pressure gauge test pressure gauges as well as pressure gauge switch pressure separator tube pressure gauge radiator double - metal thermometer all the products can meet both national and international stands,
一般壓力表氣壓表抗震壓力表充油壓力表全不銹鋼壓力表膜盒微壓表電接點壓力表冷媒壓力表真空壓力表壓力真空表隔膜壓力表微
型壓力表差壓表微差壓表絕壓表精密壓力表耐高溫壓力表蒸氣壓力表汽車燃氣壓力表醫用壓力表遠傳壓力表衛生
型壓力表壓力表緩沖管壓力表冷凝散熱器壓力表
翅片散熱器壓力表開關不銹鋼連接彎管不銹鋼連接軟管轉換接頭油壓連接頭壓力表針閥節流閥及過壓保護附件濾油網加油口油溫油麵計雙金屬溫度計等。
The are medium - sized butterflies having narrow and elongated forewings and the forelegs are much reduced
珍蝶科為中
型蝴蝶，擁有窄長的
翅膀，前足退化。
Based on the real structure of the forewing and hindwing of dragonfly, the plane geometric models of biomimetic wings are created using some cad software. then the three - dimensional finite element models of biomimetic wings are built by choosing the suitable element types and characteristic parameters
本文基於蜻蜓真實的
翅翼樣本，利用相應cad軟體分別建立了前、后
翅翼的幾何結構模
型，並通過選擇適當的單元類
型及設定特性參數，完成三維仿蜻蜓前、后
翅翼的有限元建模。
Later in the war, the hurricane served admirably in north africa, burma, malta, and nearly every other theater in which the raf participated. the hurricane underwent many modifications during its life, resulting in many major variants, including the mk ia, with interchangeable wings housing eight 7. 7mm 0. 303in guns ; the mk iic, with a merlin xx engine ; the mk iid, a tankbuster with two 40mm anti - tank guns plus two 7. 7mm guns
颶風在它的發展過程中有過很多改進，發展出許多重要的變
型，包括mk ia ，在
翅膀上安裝8挺7 . 7 mm機槍「颶風」 mk iic
型，裝備一臺「梅林」 mk xx發動機「颶風」 mk iid ，機翼上安裝兩挺7 . 7 mm機搶並且在機翼下吊掛兩門40 mm反坦克炮。
( 2 ) the chromosomes of bmn cells showed the typical characteristics of lepidoterati insects. chromosomes of matephase without apparent centromere are short pole - like and pellet - like
（ 2 ） bmn細胞的染色體表現為典
型的鱗
翅目昆蟲的染色體：中期染色體短桿狀或顆粒狀、無明顯的著絲粒。
The community composed of elaeagnus mollis as the constructive species is one of the typical vegetation types in the hills and lower - mountains of southern of shanxi
以
翅果油樹為建群種形成的群落，是山西南部暖溫帶落葉闊葉林地帶低山丘陵區的代表植被類
型之一。
Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下： 1對
翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模
型；對回熱器劃分微元建立了分佈參數數學模
型；對氣體冷卻器建立了分佈參數數學模
型；對壓縮機建立了數學模
型；建立了節流閥的數學模
型，為系統模擬奠定了基礎。
The heat - exchange apparatus is the window for air - conditioner to exchange energy with outside. we analyze the efficiency of heat - exchange apparatus by the theory of heat - transmit, and compare the advantage and disadvantage of different type evaporator ' s and condenser ' s design by lots testing, and compare the effect of heat - exchange for different type flake, and compare the effect of heat resistance for different stretch of copper tube and flake. then we get many useful results from those different comparing
蒸發器與冷凝器統稱為換熱器，換熱器是空調器與外界進行能量交換窗口，利用傳熱學原理對換熱器的效率進行分析，通過大量的試驗比較不同的蒸發器，冷凝器設計方案的優劣；比較冷凝器使用不同片
型對換熱效果的影響；比較銅管與
翅片的不同脹緊對熱阻的影響，通過比較得出很多有用的結論。
Lizhu pearl swallow s abalone s wing floor, noble and luxurious instead of warmly and refinedly, offers early, late tea and noon, supper market, and has nearly 300 seating capacities and 12 vip hall with different style and graceful ambience. mainly cook the top - grade swallow s abalone s wing and all good guangdong flavor the colour, fragrance and taste. assited with the special cooking style of hunan and sichuan flavor and huaiyang pickles of one s own flavor. with eight big cuisines quintessences newly constantly, it is the best choice to get - together with your relatives friends and enjoy the life. the motherland multi - functional hall, splendidly, was designed by considering the many kinds of demands, covering 300 people. which is the extremely good clubhouses of the large - and - middle - scale banquet and cocktail party. mingshi pavilion western restaurant full of the exotic atmosphere and special support of delicious cakes and good wine of western style, is a excellent place to enjoy the western diet culture. assembled a variety of exquisite small food, good wine and the fragrant tender tea, gathered with friends here carefree and leisurely to the limite in the youlan bar
荔珠燕鮑魚
翅樓，裝飾高貴豪華而不失溫馨典雅，開設早晚茶及午晚飯市，擁有近300個餐位和12間風格迥異情調高雅的vip廳房，主理高檔燕鮑魚
翅及色香味
型俱佳之粵派美食珍餚，輔以獨具特色自成風味的川湘菜系和淮揚小菜，吸取八大菜系精華，不斷推陳出新，是您聚會親朋體味人生最佳選擇。軒轅多功能廳設計充分考慮多種需求，富麗堂皇，可容納300人，是您舉辦大中
型宴會酒會的極佳會所。明仕閣西餐廳盡顯異國情調，特供西式珍饈美點佳釀，是您領略西方飲食文化風採的好去處。
Cladded roof, which portrays a seabird soaring into flight - a symbol of
，造
型構施來自振
翅高飛的海鳥，象徵香港飛躍新紀元，
A massive aluminium roof captures the rhythm and delicacy of a seabird s wing
會展中心宏偉的鋁質天花，造
型構思來自振
翅高飛的海鳥。
Numerical model of plate - fin - evaporator heat transfer performance
翅片式蒸發器換熱性能的數學模
型
We offer a wide variety of products, which include but are not limited to : museum quality insect collections, budget insect collections, framed insects, riker mounted insects, loose unmounted insects, live insects, stock imagery, and custom - designed insect jewelry and accessories
昆蟲標本工藝品被成為「活畫」 。為什麼活，是因為工藝品採用真實的昆蟲，經過防腐，高溫消毒，定
型，裝裱而成，動感保留了昆蟲在自然中展
翅飛翔的優美姿態，使得昆蟲猶如偏偏欲飛，活靈活現。
Finned tube is welded the finned helix pieces on the smooth tube, expanding 4 ~ 10 times of the heat transfer surface, highly elevated the heat - transfer coefficient of the tube to reach the purpose of rapid, efficient heat transferring
翅片管是在鋼管外表面焊上螺旋
型翅片，擴展外表面傳熱面積4 10倍，大幅提升管子的傳熱系數，達到高效快速傳熱的目的。
Textiles - tear properties of fabrics - part 3 : determination of tear force of wing - shaped test specimens single tear method iso 13937 - 3 : 2000 ; german version en iso 13937 - 3 : 2000
紡織品.織物的撕破特性.第3部分:
翅型試件撕破強力的
The development and test on wing type of a bionic flying micro - robot
仿生撲翼飛行機器人
翅型的研製與實驗研究
An equipment of measuring aerodynamic force was designed and developed, and several bionic wings were tested on it
研製了氣動力測量實驗平臺，對各種
翅型進行了實驗研究。
It is concluded that all of the tested bionic wings can generate lift force, however the flexible wing has best kinetic and aerodynamic performance among them, as well as flapping frequency and amplitude are the main factor of effecting on lift force generation
實驗結果表明，研製的翅型都能產生一定的升力，其中柔性翅具有較好的運動性能和氣動性能，並且拍動頻率和拍動幅度對升力有較大影響。
