未解的物理 的英文怎麼說

中文拼音 [wèijiěde]
未解的物理 英文
unsolved problems in physics
  • : 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...
  • : 解動詞(解送) send under guard
  • : 4次方是 The fourth power of 2 is direction
  • : 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...
  • : 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
  1. 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能刺入凍土壤而阻止車輛進一步滾翻,降低滾翻車輛對系著安全帶司機軋傷可能性;保證rops在碰撞和沖擊變形不大地面(如凍土、混疑土上、巖石)時,能具有相當大抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經變形rops應能支撐住整車。落保護裝置(簡稱fops ) ,其構件布置方式要能遮蔽墜落體(如,樹木、巖石等) ,以便對司機提供適當保護。本課題主要通過了國內外有關對rops fops研究情況和有關國際標準制定,對大型推土機傾翻和落保護裝置進行研究,在論分析基礎上,通過建立rops fops力學分析模型,推導彈性、彈塑性階段rops fops變形計算公式,建立一套可行rops fops非線性有限元分析計算方法。
  2. 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發展、應用現狀、研究熱點及來發展趨勢基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術基本原,對兩種測量方法存在問題及誤差進行詳細分析和比較;針對位相包裹錯誤點傳播問題,作者通過改變包裹路徑來提高位相包裹正確性;分析討論從包裹位相( x , y )到再現高度h ( x , y )量之間關系,研究相應演算法,利用matlab平臺,對實際採集條紋圖像進行處和輪廓重構,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漂移抖動對相移影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使體和ccd攝像頭同步移動實現等效相移方法,建立了相應測量系統,系統條紋穩定可以達到。
  3. 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問題尚決,包括機器人知覺、如何建立周遭環境模型、自動推品操作和行進方式等。
  4. 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發展概況及現狀,然後分析了無線傳感器網路與架構及其在環境監測對傳統無線傳感器網路技術挑戰,接著本文提出了新穎基於無線傳感器網路技術環境監測系統架構設計,介紹了一種針對大氣環境監測全新無線傳感器網路節點構架設計方案以及節點硬體設計和實現,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無線通信網路協議棧,從工程角度介紹了層、數據鏈路層、網路層、應用層設計實現,決了無線傳感器網路節點數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面工作,展望了基於無線傳感器網路技術環境監測系統在發展方向和應用方式等幾個方面發展遠景。
  5. 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有關法律規定,對我國轉化型搶劫罪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」應與搶劫罪中暴力與脅迫行為作同樣, 「當場」應是實施盜竊、詐騙、搶奪行為當場或以犯罪現場為中心、與犯罪分子活動有關范圍; ( 3 )主觀條件中「窩藏贓、抗拒抓捕、毀滅罪證」內涵應有所延伸; ( 4 )既遂與判定應採用既主張行為又注意結果雙重標準; ( 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。
  6. 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木聚糖酶xynba 、脫糖基化木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質比較發現:三種酶最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba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糖基化xynb和xynbb ; xynba和xynbb比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶比活2814 . 45iu mg ; xynb和xynbakm值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbbkm值較大為27 . 10 ( g kg ) ; xynba和xynbbvmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb27623 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抗性,且對作用環境中各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖糖份分析發現:以樺木木聚糖為底時,酶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木二糖;以玉米芯木聚糖為底時,酶主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。
  7. 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

    啤酒廢水中有機含量較高,如直接排放,既污染環境,又降低啤酒工業原料利用率.為此,許多學者和廠家對啤酒廢水與利用技術進行了研究.本文在闡述啤酒廢水來源及特點基礎上,對幾種常見利用技術進行了比較,結論是:單一和利用技術不能從根本上決啤酒廢水污染問題,只有將多種技術結合使用,才能達到經濟效益和環境效益統一.最後,對研究方向提出了幾點建議
  8. 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生化層面上進行了大量研究,但仍完全了乙烯對膠樹作用機制。本研究從分子水平入手,克隆橡膠樹乙烯受體基因( etr1 ) ,並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中表達及與乙烯刺激關系,取得了以下結果: 1
  9. One main branch of sea science, physical oceanography, holds enormous unanswered questions

    海洋科學一個主要分枝,海洋學,有為數眾多之題。
  10. 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

    但是無線環境多徑特性造成通信系統中嚴重符號間干擾,同時無線通道時變性使得通道特性跟蹤復雜。而正交頻分復用技術( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種決符號間干擾有效傳輸手段,因此ofdm技術作為來寬帶高速率無線通信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,本論文將重點針對這兩個問題進行討論。
  11. 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論近似求數學或問題方法,它在用於決貝葉斯分類時,首先根據已知先驗概率獲得各個類標號知類條件概率分佈,然後利用某種抽樣器,分別得到滿足這些條件分佈隨機數據,最後統計這些隨機數據,就可以得到各個類標號知類后驗概率分佈。
  12. 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

    根據萜烷中知「 x 」化合在原油中分佈普遍性和在烴源巖中分佈特徵,結合氣洗蒸發分餾作用釋了克拉2 - 3號干氣藏中少量輕質油成因。
  13. 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,金屬礦勘查中地震方法技術研究只有採用從已知區地震波場研究知區地震波場,並結合模型實驗結果和其他探異常對獲得地震時間剖面進行釋,才能取得有價值成果。
  14. 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

    這些沉積記錄了地球系統中生、化學過程相互作用,以及自然因素和人為因素相互作用信息,為建立古氣候變化時間系列,估計氣候變化幅度,了氣候變化周期性與突變性,探討氣候變化原因,從而為推斷來氣候變化趨勢提供了重要背景資料。
  15. 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,一些論已經被詳細說明釋切割,包括不明飛行,惡魔禮拜,玩皮人,政府機關或天然掠奪者。
  16. 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科學發現學習模式相比:計算機模擬應用於科學發現學習整合模式對學生原性知識掌握表現出非常顯著促進作用;計算機模擬應用於科學發現學習整合模式對學生直覺性表現山顯著促進作用;計算機模擬應用於科學發現學習整合模式對學生靈活應用表現出顯著促進作用;學生基礎對其科學發現學習具有非常顯著影響;整合情境模式基本實現了計算機模擬情境和真實情境優勢互補,但在學生對實驗探索和樸素概念轉變上也暴露出了一些不足之處。
  17. 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

    由於危險貨對船舶和船上人員生命可能構成較大危害,而且只有托運人才是最了危險貨人,也是採取措施預防危險發生最適合人選,所以令其對托運危險承擔嚴格責任,筆者認為是可以;而對于承運人就船員駕駛船舶和管船舶過失可以免責,在當今航海條件下,筆者則認為必妥當。
  18. 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來政府模式,就是認為各種公私部門互動模式,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,一個時空界域可能同時存在著不同合作模式且可以交叉釋,因應任務,環境,議題以及因互動成員質進行調整,當然合作模式及是一種動態性描述,其也可能因為上述各因素改變而自然產生變化。
  19. 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

    盡管求雷諾平均ns方程( rans )是決現代空氣動力學問題上最可信方法,但它也有一個缺點:平均流動中湍流脈動量影響是
  20. 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

    線性工作模式下光導開關可以用pspice中非線性電阻模型實現;非線性工作模式機制尚有公認結論,根據現階段研究成果,須通過數值方法方程組實現電路模擬。
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