水生噪聲 的英文怎麼說

中文拼音 [shuǐshēngzàoshēng]
水生噪聲 英文
water-borne noise
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 水生 : aquatic; [植物學] hydrophilous水生動物 aquatic animal; 水生花卉 flowering marsh plants; 水生環境 ...
  1. The noise constantly is not affecting our normal life, for example ; just repaired the family, to the quiet at dead of night building about the water pipe noise, has caused you to be unable normally to rest, the senior citizen, the neurasthenia, the heart was not specially good and so on the community, was is unable to rest, the saint porch company produced " the down - flow pipe sound insulation wrap " the product, fundamentally has solved this problem, this product has used the advanced sound insulation, the sound absorption, the material, passed through the specialized technical many years research development, and experimented after the beijing ten plots different levels owner, the sound - insulated effect achieved above 90 %, satisfaction rate reached above 99 %, did not have an example suit, received the owners universal welcome

    噪音無時無刻不在影響著我們正常的生活，例如；一個剛剛裝修完的家庭，到了夜深人靜樓上下水管的噪聲，使你無法正常休息，特別是老年人，神經衰弱，心臟不好等群體，更是無法休息，聖軒公司生產的「下水管隔聲套」產品，從根本上解決了這個問題，此產品採用了先進的隔音，吸音，材料，經過專業技術多年的研究開發，並經過北京十個小區不同層次業主試驗，隔音效果達到90 %以上，滿意率達99 %以上，無一例投訴，受到業主們普遍歡迎。
  2. Based on research progress on economic value of ecosystem services, taking shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises. economic values of all the six kinds of ecological service functions are calculated

    綜述國內外生態系統服務功能價值評估相關研究進展，以深圳市為例，運用生態經濟學原理與方法，闡釋了生態系統調節氣候固碳釋氧保持土壤涵養水源凈化環境和減弱噪聲等生態服務功能，對其經濟價值進行評估。
  3. Meanwhile, the importance of different ecosystem services in urban areas is different. the function of fixing carbon and releasing oxygen is the most important, the function of conditioning climate is the second, and the functions of keeping waterhead, preserving soil, purifying environment, and restraining noises are the last important

    同時，城市生態系統各生態服務功能的重要性，由大到小依次為固碳釋氧功能調節氣候功能涵養水源功能保持土壤功能凈化空氣功能與減弱噪聲功能。
  4. Based on theories and methods of ecological economics, we explain the functions of ecosystem services in chengdu city, sichuan province of china such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises, and estimate the economic value of it

    摘要運用生態經濟學原理與方法，闡釋了成都市生態系統調節氣候、固碳釋氧、保持土壤、涵養水源、凈化環境和減弱噪聲等生態服務功能，對其經濟價值進行評估。
  5. This paper attentatively studies the theory of traveling bubble cavitation noise emitted from high - speed underwater self - navigator of schiebe body

    本文針對回轉體形水下高速自主航行器產生的流動泡類型的空化所輻射的噪聲理論進行了探索性的研究。
  6. This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method

    本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。
  7. The paper analyzed synthetically the environmental impact that is produced in construction time of under - ground no. one of shenyang, studied the generant rule and quantity of pollutants such as noise, vibration, waste water, waste gas and solid offal and etc., proposed countermeasures to alleviate and control environmental impact

    摘要通過對沈陽地鐵一號錢施工期產生的環境影響綜合分析，研究該項目在建設中產生的噪聲、振動、廢水、廢氣及固體廢棄物等污染物產生的規律和發生量，並提出緩解和控制環境影響的措施。
  8. Autonomous underwater vehicles can mimic locomotion of aquatic animals - fishes that utilize oscillating foils as their propulsive elements. there are overwhelming advantages for them in speed, maneuverability, and noise over conventional man - made propeller

    利用仿生水中生物魚類游動原理，可以製造出性能優良的水下推進系統，這種推進系統比現在所利用的螺旋槳在速度、機動性能和噪聲方面更為出色。
  9. The self - - noise of underwater vehicles is one of the main interfere sources in sonar, which is compound of three kinds of noise inc1uding the machinery noise, the propel ler noi se and the water ki net ics noise

    航行體自噪聲是聲納的主要干擾源之一，它由航行體運動時產生的機械噪聲、螺旋槳噪聲和水動力噪聲幾部分構成。
  10. The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors

    聲納所探測的潛艇噪聲包括兩部分，一是螺旋槳運轉帶來的水動力噪聲，二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動，帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計，已將水動力噪聲降到比較低的程度，而結構噪聲則復雜得多，與許多因素有關。
  11. The company engages in treating urban sewage, ineustrial waste, noise, deveioping researching and manufacturing the environmental monitoring facilities, operating and managing the environmental protection facilities, technology consultation and service etc. provided with many senior and secondary professional technicians, the company beiongs to a hi - tech enterprise

    河北亞太環境科技發展股份有限公司主要從事城市污水、工業廢水、廢氣、噪聲治理、環境監測設備開發、研製、生產製造，環保設施運營、管理、技術咨詢、技術服務等。
  12. A single station turntable, vertically - split box horizontally - draw type core machine is suitable for mixed core sand which regard hot - firming resin as bond, can make quality core. and it has the merits or easy operation, high productivity, low labor strength, reliable operation, low energy consumption, low noise etc. it is a ideal lot core making equipment

    單工位、垂直分盒水平脫芯型射芯機，適合熱固性樹脂為粘結劑的芯砂混和料，能獲得高質量的砂芯，並具有操作方便、生產效率高、勞動強度低、運行平穩可靠、耗能低、噪聲小等優點，是理想的熱法制芯設備。
  13. The cement - powder - mill - station of zhejiang topsky cement co., ltd. has the massive noise sources, which leads the factory bound and sensitive point to exceed the allowed standard, and seriously affect employee ' s work condition and residents ' daily life

    摘要浙江天基水泥有限公司嘉善水泥粉磨站存在著大量的噪聲源，直接導致廠界和敏感點超標；並影響到企業員工生產工作環境及周邊居民正常休息。
  14. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  15. Therefore, this paper studies three kindsvalves such like bufferfly valve, brake valve and ball valve, with the numerical simulation method by cfx which is often used to simulate the fluid. by the simulation of three kinds of valves, we can kown dynamic characteristic of them. in this paper, i not only simulate for three kinds of valves, but also analyse cause of flow - noise and give respectively mathematical model of main noise sources in piping system such as pupm and valve

    本文通過cfx軟體，用數值模擬的方法，對海水管路系統中常見的三種閥門（蝶閥、閘閥、球閥）流動特性及噪聲進行了模擬分析，闡明閥門噪聲產生的機理，建立了泵和閥門等噪聲源的數學模型，並對管路系統中涉及到的邊界條件做了適當的處理，分析了閥門下游的渦聲。
  16. Xingye co., ltd is a manufacturer and exporter mainly specilizing in bopp tape, transparent adhesive tape, printing adhesive tape, kraft paper tape, masking tape, double - sided adhesive tape, foam tape, pvc electrical insulating tape, bopp plastic - core stationery tape, counterfeit adhesive tape, lldpe stretch film wrap film, ? which own a full set of cloth printing machine, two sets team, a set of printing machine and prefect

    興業公司是一家設計開發加工生產各種bopp膠帶包裝透明和封箱膠帶pvc膠帶電工絕緣膠帶美紋紙膠帶牛皮紙膠帶鋁鉑膠帶防偽膠帶防水膠帶無聲低噪聲膠帶pvc pe保護膜， lldpe拉膜繚繞膜等為主的廠家。
  17. Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world

    主要對濃縮風能型風力發電機在正常運轉時，噪聲產生的機理進行了理論分析研究，並與普通型風力發電機的噪聲進行了對比實驗分析；利用現代聲學測試手段對兩類機型進行測試與分析，得出濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結論；通過對兩類機型的噪聲、輸出功率的測試，得出隨著風速的增加，兩類風力發電機的輸出功率在增加，產生的噪聲也在增加的結論；提出了進一步降低濃縮風能型風力發電機噪聲的措施，從主動降噪方面，研製低額定轉速的發電機；從被動降噪方面，採用微孔穿板的降噪結構；為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。
  18. In term of the characteristic of the item regarded, it is concluded that the exhaust gas produced by refectory and automobile is the source of air pollution, and the noise pollution is emanating from automobile and habitation, and the sewerage is derived from the domestic sewage, and the main garbage comes from living garbage

    根據該項目的特點，此次評價確定食堂燃油產生的廢氣和汽車尾氣是主要的大氣污染源，車輛和生活噪聲是主要的噪聲源，生活污水是主要的排污水，生活垃圾是主要的固體廢棄物。
  19. First, the basic theory of the competitiveness is analyzed, evaluating indexes which conclude relative and absolute indexes basic on the last literatures are set up. second, because the data are too many and computing time is too long, the competitiveness of science and technology of 30 areas are clustered using fuzzy clustering model, the areas of the whole nation are clustered several kinds and we can draw some conclusions of same kind. evaluating the competitiveness using single model can produce white noise, so combinational models which concluding neural network, fuzzy theory and genetic algorithm are brought forward to evaluate the competitiveness of areas which are in the same kind with fujian province in the test

    本文首先分析科技競爭力的基本理論，並根據以往研究科技競爭力文獻，建立包含絕對指標和相對指標的評價科技競爭力評價指標體系，其次，針對評價福建省科技競爭力在全國范圍內的排名情況數據較多，計算時間較長的具體情況，利用模糊神經網路模型對全國30個省市自治區科技競爭力水平進行聚類分析，將科技競爭力水平接近的地區聚為一類，得出科技競爭力水平相近地區情況，而後，針對已有文獻科技競爭力評價只是利用單一模型可能產生噪聲，影響評價結果，並且主觀性較強的缺點，本文將神經網路、模糊數學、遺傳演算法等智能演算法組合，利用組合評價模型對福建省和與福建省同在一類的其它地區的科技競爭力水平進行橫向、縱向評價，得出福建省在全國范圍內的科技競爭力水平排名。
  20. With the improvement of technology of digital circuit, making use of digital circuit to produce noise has become reality. for example, m sequence has been maken as mask jamming source, but its applications are limited because of its linearity and finite amount

    隨著數字電路技術水平的提高，利用數字電路來產生噪聲已成為現實。例如， m序列已經作為雷達干擾信號的噪聲源，但它的應用受到其線性性和有限數量的限制。
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