未解的物理 的英文怎麼說
中文拼音 [wèijiědewùlǐ]
未解的物理
英文
unsolved problems in physics- 未 : Ⅰ副詞1 (沒) did not; have not 2 (不) not Ⅱ名詞1 (地支的第八位) the eighth of the twelve ear...
- 解 : 解動詞(解送) send under guard
- 的 : 4次方是 The fourth power of 2 is direction
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
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Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method
其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的可能性;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析的基礎上,通過建立rops fops的力學分析模型,推導彈性、彈塑性階段rops fops變形的計算公式,建立一套可行的rops fops的非線性有限元分析計算方法。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。Engineers have yet to solve fundamental problems involving robotic perception and world modeling, automated reasoning, manipulation of objects and locomotion
工程師還有很多根本的問題尚未解決,包括機器人的知覺、如何建立周遭環境的模型、自動推理、物品操作和行進方式等。This thesis has introduced the development of the traditional wireless sensor network and current situation at first, then analyzed the principle an framework of the wireless sensor network, and the challenge to the traditional wireless sensor network technology for environmental monitoring, put forward the novel environmental monitoring system based on wireless sensor network technology, have recommended a kind of brand - new wireless node design plan of framework of wireless sensor network and node hardware to be designed and realized, then based on ieee 802. 15. 4 standard, this thesis analysed the design faces the wireless communication protocol stack used in environmental monitoring, have introduced the realize of physics layer, data chain layer, network layer, application layer. have solved the wireless sensor network data sampling, systematic energy - conservation optimize, this thesis summarized the preceding work finally, have looked forward to the development, application and commoditization in the future
本文首先介紹了傳統無線傳感器網路的發展概況及現狀,然後分析了無線傳感器網路的原理與架構及其在環境監測對傳統無線傳感器網路技術的挑戰,接著本文提出了新穎的基於無線傳感器網路技術的環境監測系統架構設計,介紹了一種針對大氣環境監測的全新的無線傳感器網路節點的構架設計方案以及節點的硬體設計和實現,然後本文以ieee802 . 15 . 4標準為基礎分析設計了面向環境監測應用的無線通信網路協議棧,從工程角度介紹了物理層、數據鏈路層、網路層、應用層的設計實現,解決了無線傳感器網路節點的數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面的工作,展望了基於無線傳感器網路技術的環境監測系統在未來的發展方向和應用方式等幾個方面的發展遠景。This paper compares the legal regulations concerning the applicable conditions and the recognition of the crime and proposes : ( 1 ) the prerequisites should be extended to include the acts of robbery. snatch, and deception ; ( 2 ) the " violence " as an objective condition should be interpreted as the violent and forcing actions in robbery, while " on site " should be the site of the stealing, deception, or snatch, or the area involved in the crime with the site as the center ; ( 3 ) the connotation of the subjective condition " harboring the stolen goods, resisting an - eat, destroying criminal evidence " needs expansion ; ( 4 ) dual criteria should be adopted emphasizing on both the act and the consequence in distinguishing the completed crime and the criminal attempt ; and ( 5 ) in case of overlap of law and imaginary concurrence of crimes only by convicting the crime as theft, snatch, and deception can it be regarded as transformed robbery
本文通過比較不同國家該罪的有關法律規定,對我國轉化型搶劫罪的適用條件及法律認定問題進行分析,認為: ( 1 )前提條件應擴展為實施盜竊、搶奪、詐騙行為; ( 2 )客觀條件中「暴力」應與搶劫罪中的暴力與脅迫行為作同樣理解, 「當場」應是實施盜竊、詐騙、搶奪行為的當場或以犯罪現場為中心、與犯罪分子活動有關的范圍; ( 3 )主觀條件中「窩藏贓物、抗拒抓捕、毀滅罪證」的內涵應有所延伸; ( 4 )既遂與未遂的判定應採用既主張行為又注意結果的雙重標準; ( 5 )在想象競合或法條競合時只有以盜竊、搶奪、詐騙罪論處方可轉化為搶劫罪。The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。Being a liquid containing high organic pollutants, brewery wastewater may not only lead to environmental pollution, but also decreas e the utilization ratio of raw material used in beer production. therefore, many sc holars and breweries have paid much attention to developing new techniques for t reating and making use of brewery wastewater. this paper makes a comparison among various new techniques on the basis of analyzing the sources and characteristic s of brewery wastewater. it is concluded that a single technique can not effectiv ely remove the contamination from brewery wastewater, and only the combination of various techniques can achieve great benefits both in economy and in environment. thus, several proposals are put forward for future research
啤酒廢水中有機物的含量較高,如直接排放,既污染環境,又降低啤酒工業的原料利用率.為此,許多學者和廠家對啤酒廢水的處理與利用技術進行了研究.本文在闡述啤酒廢水的來源及特點的基礎上,對幾種常見的處理利用技術進行了比較,結論是:單一的處理和利用技術不能從根本上解決啤酒廢水的污染問題,只有將多種技術結合使用,才能達到經濟效益和環境效益的統一.最後,對未來的研究方向提出了幾點建議Rubber tree ( hevea brasiliensis ) is an important economic woody - crop in tropical areas. its latex is the unique source of crude rubber used in current industry. because of its special and important use, the rubber tree has been extensively planted in tropical areas. increase production is always the main target in rubber tree cultivation. since the ethrel was applied in increasing latex production in 1968 for the first time as a chemical stimulant, not only the latex production had been increased largely, but also a new set of rubber tapping system had been established, leading to a series of economic benefit. owing to ethrel " s extensive application, its side effects had been found more and more obviously, such as tapping dry, speeding up senescence, shortening the life span of rubber tree etc. in order to overcome the side effects and increase production more availably, for a long time, people had carried out lots of research work on cell level, membrane level, physiology and biochemistry of laticifer contents. but the mech anism why ethrel increased latex production was not yet understood completely. this study had cloned the ethylene receptor gene ( efrl ) from rubber tree, and researched the relationship between etrl expression in laticifers and ethrel stimulation on transcription level and protein translation level. the results were as follows : 1
但是,由於乙烯利應用的普及,乙烯利刺激割膠引起橡膠樹發生死皮病及加速膠樹衰老,縮短膠樹壽命等副作用也越來越明顯。為了克服這些副作用,使乙烯利能更有效地刺激增產,長期以來,人們在細胞水平、膜水平和乳管細胞內含物的生理生化層面上進行了大量的研究,但仍未完全了解乙烯對膠樹的作用機制。本研究從分子水平入手,克隆橡膠樹的乙烯受體基因( etr1 ) ,並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中的表達及與乙烯刺激的關系,取得了以下結果: 1One main branch of sea science, physical oceanography, holds enormous unanswered questions
海洋科學的一個主要分枝,物理海洋學,有為數眾多的未解之題。The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above
但是無線環境的多徑特性造成通信系統中嚴重的符號間干擾,同時無線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種解決符號間干擾的有效傳輸手段,因此ofdm技術作為未來寬帶高速率無線通信的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步誤差和通道估計誤差非常敏感,如何在ofdm系統中準確快速地實現符號同步和通道估計是至關重要的,本論文將重點針對這兩個問題進行討論。Monte carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. when comes to bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one
蒙特卡羅是一種採用統計抽樣理論近似求解數學或物理問題的方法,它在用於解決貝葉斯分類時,首先根據已知的先驗概率獲得各個類標號未知類的條件概率分佈,然後利用某種抽樣器,分別得到滿足這些條件分佈的隨機數據,最後統計這些隨機數據,就可以得到各個類標號未知類的后驗概率分佈。Based on the distribution of the unknown compounds " x " ( between ts and tm ) in oils and rocks, in combination with the theory of gas - washing evaporative fractionation, the formation of the light oils in kela 2 - 3 dry gas reservoir is explained
根據萜烷中未知「 x 」化合物在原油中分佈的普遍性和在烴源巖中的分佈特徵,結合氣洗蒸發分餾作用的原理,解釋了克拉2 - 3號干氣藏中少量輕質油的成因。Due to the complexity of geological structure and metallogenic conditions in metallic ore districts, only when seismic wave fields are studied from known areas to unknown areas and the seismic time profiles are interpreted by combining physical modeling results with other geophysical anomalies can the study of seismic method for metallic ore exploration yield valuable results
由於金屬礦區地質構造和成礦條件比較復雜,金屬礦勘查中的地震方法技術研究只有採用從已知區的地震波場研究未知區的地震波場,並結合物理模型實驗結果和其他物探異常對獲得的地震時間剖面進行解釋,才能取得有價值的成果。Simultaneously, it is advanced that the coupled relationship between the accumulation of modern sedimentary phosphorus in the eastern coast of china and global changes have a special significance in the researches on the global changes of middle - short time scale
這些沉積物記錄了地球系統中生物、物理、化學過程的相互作用,以及自然因素和人為因素相互作用的信息,為建立古氣候變化的時間系列,估計氣候變化的幅度,了解氣候變化的周期性與突變性,探討氣候變化的原因,從而為推斷未來氣候變化的趨勢提供了重要的背景資料。Over the years, several theories have been expounded to explain the mutilations, including ufos, satanic cults, pranksters, unknown government agencies, or natural predators
數年以來,一些理論已經被詳細說明解釋切割,包括不明飛行物,惡魔的禮拜,玩皮的人,未知的政府機關或天然的掠奪者。The integrate model of the application of computer simulation into scientific discovery learning shows significant promoting effects upon the students " ability of the flexible application of the knowledge ; 4. the students " physics basis have very significant effects upon their scientific discovery learning ; 5. the integrate situation model basically realizes the complementary advantages between computer simulation situation experiments and the real situation experiments, but it exposes some drawbacks in the aspect of students " understanding of the nature of experiment exploring and students " changing of naive conception
針對實驗一的結果,實驗二對基本模式進行了修正,整合進了真實探索情境,結果表明,與基於真實探索情境的科學發現學習模式相比:計算機模擬應用於科學發現學習的整合模式對學生原理性知識的掌握表現出非常顯著的促進作用;計算機模擬應用於科學發現學習的整合模式對學生的直覺性理解未表現山顯著的促進作用;計算機模擬應用於科學發現學習的整合模式對學生的靈活應用表現出顯著的促進作用;學生的物理基礎對其科學發現學習具有非常顯著的影響;整合情境模式基本實現了計算機模擬情境和真實情境的優勢互補,但在學生對實驗探索的理解和樸素概念的轉變上也暴露出了一些不足之處。Now we can draw a conciusion that there exists an inequaiity of right and liability between the carrier and shipper in china ' s maritime law considerinb that dangerous goods are a threat to the ship and its crew and the shipper is the person who knows the danger of the goods and how to prevent it, the author accepts that it is understandable to put a strict iiabiiity on the shipper who consigns dangerous goods
由於危險貨物對船舶和船上人員的生命可能構成較大的危害,而且只有托運人才是最了解危險貨物的人,也是採取措施預防危險發生的最適合的人選,所以令其對托運的危險物承擔嚴格責任,筆者認為是可以理解的;而對于承運人就船員駕駛船舶和管理船舶的過失可以免責,在當今航海條件下,筆者則認為未必妥當。It depends on the environmental change to decide the cooperative patterns, and they are not fixed or expelling. different cooperative patterns can co exit and be explained intersectly, and responding to missions, environment, issues and members " characteristics adaptation is going on anytime. surely the cooperative pattern is the kind of dynamic description, it may also change naturally due to the factors mentioned above switching
本文以協力關系大膽假設未來政府的治理模式,就是認為各種公私部門的互動模式,基本上雖具有時間發展上之順序,不過要以何種模式來進行合作,則應視環境變化來決定,且模式並非固定不動、互相排斥的,一個時空界域可能同時存在著不同合作模式且可以交叉解釋,因應任務,環境,議題以及因互動成員的物質進行調整,當然合作模式及是一種動態性的描述,其也可能因為上述各因素的改變而自然產生變化。Although being superior over the other methods in terms of physical realism, the rans methods, however, involve one major weakness - the effects of the turbulent motion of the mean flow are unknown and must be modeled
盡管求解雷諾平均ns方程( rans )是解決現代空氣動力學問題物理上最可信的方法,但它也有一個缺點:平均流動中湍流脈動量的影響是未知的。The linearity mode of pcss can be modeled in pspice using a time - varying resistance, the non - linearity mode only can be realized using numerical analysis
線性工作模式下的光導開關可以用pspice中的非線性電阻模型實現;非線性工作模式的物理機制尚未有公認結論,根據現階段研究成果,須通過數值方法解方程組實現電路的模擬。分享友人