These pathogenic characteristics that could cause corm tissue to bring browning reaction , lignose of cell wall to increase , and faecula granule to decrease , were also observed by using tissue sectioning 用組織切片法觀察發現病菌能使香蕉苗球莖組織產生褐變,引起細胞壁木質素增加及淀粉顆粒減少。
This paper will present an improved method which can take account of the transverse inclination and predict the motions and wave loads of a ship in heel 本文嘗試對原有的切片法進行擴展,使之能夠考慮到船體橫傾影響,進而重新建立運動方程,求解處于橫傾狀態的船舶在波浪中的運動響應及剖面波浪載荷。
The mathematical models on ship ' s motion and load are based on the strip theory . at the same time , the motion and load is mathematically simulated and the result is visualized with the real - time graph 本文首先從切片法入手,建立了船舶運動的數學模型,在此基礎上對船舶的運動與載荷進行了數字仿真,用實時曲線圖對仿真結果進行可視化。
The strip method was applied to the motion prediction of the monohull . the time range solutions of heave and pitch were obtained in the condition of head sea to provide the primary data on panoramic simulation 本文利用切片法對0371g艇加裝縱向組合減搖附體前后的運動進行預報,取得了迎浪狀態下升沉和縱搖的時歷解,為視景仿真提供原始數據。
Then comparative study of bending moments and shearing forces is performed with the results calculated by traditional design loads method for the same assumption and the changes of wave loads are discussed in this paper 在一定假定條件下,將切片法計算的波浪彎矩與剪力同靜置法計算結果進行了比較,分析了破損后的載荷變化,為船體總縱剩余強度研究提供依據。
( 4 ) we use sem to observe fractured morphology of composites , and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix . we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone ( 4 )采用掃描電鏡( sem )觀察缺口沖擊的斷裂形貌,通過透射電鏡( tem )觀察納米粒子和復合納米粒子的分散情況和粒徑的大小;通過超薄切片法研究復合粒子在聚合物基體中的分散性。
In this paper the characters of rig and heavy lift vessel , the transportation market of rig and heavy - lift vessel operation are introduced ; the process and content of the feasibility analysis of rig transportation using heavy - lift vessel are described ; the metocean database imdss and the strip theory used in feasibility analysis are introduced and evaluated 本文介紹了海洋平臺的特點和海洋平臺運輸市場的情況;半潛船的特點以及用半潛船運輸海洋平臺的載運工程的過程。探討了半潛船運輸鉆井平臺可行性分析的方法和內容,提出并評價了可行性分析中用到的遭遇風浪數據庫imdss 、波浪理論、切片法等技術。
Abstract : six methods for making preparation of chromosomes of spiders , including gonad slice technique , testis squash technique , single embry drop technique , mix embryo - cells drop technique , blood cell drop technique and single embryo - cell squash technique , are summarized in this paper . the karyotypes of 27 species from 22 genus in15 families are analysed 摘要概述了蜘蛛染色體制片的6種方法:生殖巢切片法、精巢壓片法、單胚滴片法、混合胚滴片法、血細胞制片法和單一胚胎壓片法,并總結分析了蜘蛛目15科22屬27種染色體核型。
In this paper , the simulation on naval ship ' s motion and load in waves are studied on the basis of strip theory . equations on the ship ' s motion are set up and as a result , the load is calculated . the simulation is proceed under the model by using mfc of visual + + 6 . 0 為了船舶設計和船舶使用的需要,本文是在切片法求解船舶在海浪中的運動和所受的載荷的基礎上,利用visualc + + 6 . 0進行了仿真運算,結合這一仿真過程,利用opengl三維圖形庫進行了船舶運動的實時動畫仿真,對船舶運動預報、載荷預報進行了可視化的研究。
Using 2 - d strip method and the high - speed slender body theory , the heaving motion responses in regular wave of ship with combined appendage are computed . the results are compared with the results of naked ship hull , and the anti - pitching effect of combined appendage is validated . a method of optimizing the seakeeping is provided from the aspect of the ship hull 因此本文針對船舶耐波性能的優化,提出了一種減縱搖組合附體,將半潛艏和艏鰭安裝在常規單體船上,初步闡述了半潛艏和艏鰭的水動力作用機理,并按照二維切片法和高速細長體理論計算了加裝組合附體后,船舶在規則波中的垂向穩態運動響應,與裸船體的結果進行了比較,驗證組合附體的減搖效果,從船體本身出發提供了?種優化船舶耐波性的方法; 3