亮度范圍 的英文怎麼說

中文拼音 [liàngfànwéi]
亮度范圍 英文
brightness range
  • : Ⅰ形容詞1 (光線強; 明亮) bright; light 2 (聲音強; 響亮) loud and clear; resounding 3 (開朗; ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range

    整體電路以恆定電流驅動4隻白光led ,利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器,在整個鋰電池供電電壓內保持最高的效率,並使四個白光led獲得均勻的
  2. This article analyzes the mineralization mechanism of the uranium ore, constructs a series of spectra indexes including the ferric oxide index, the ferrous oxide index, the oxidation index, clay mineral index, brightness index, the green index and the humidity index, and draws the distribution and scope of the oxidation belt, deoxidation belt, the supplies and partial drainage of ground water in the research area, thus selects the advantageous area of uranium mineralization

    通過分析鈾礦的成礦機理,構建了氧化鐵指數、氧化亞鐵指數、氧化指數、粘土礦物指數、指數、綠指數和濕指數等一系列光譜指數,提取了研究區氧化帶、還原帶、地下水補給與局部排泄的分佈和,從而圈定了鈾礦成礦的有利區。
  3. The next move is to deduce the range of a bombing radiating wavelength with the flying bomb ' s temperature being analyzed and to compute the target ' s irradiance and radiated luminance between spectral penetrating strip based on the planck formula for the black body

    在此基礎上,從分析飛行彈體的爆炸溫出發,推導了彈體爆炸時輻射峰值波長的,分析了黑體輻射的普朗克公式,計算出目標在光譜通帶內的輻出和輻射
  4. The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout

    工作在1mhz固定頻率,採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級中的一級;具有過溫、過壓/欠壓等保護功能,工作溫為- 40 + 85 。
  5. The suitable additives recombination can not only improve considerably the quality of chromium coating, increase the brightness, current efficiency, dispersion ability and sedimentation velocity, but also enlarge the application scope of chromium plating technology

    採用適當的添加劑復合不僅可以顯著提高鍍鉻層質量,增加光、電流效率、分散能力和沉積速,而且可以擴大鍍鉻工藝
  6. 5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length

    五,三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清點均化合物分子中末端烷氧基增大逐漸降低;近晶相的溫和近晶相一向列相轉變溫逐漸增大,而向列相的溫遞減。
  7. The results show that by using the brightener, current efficiency is improved and bright, corrosion resistant zinc deposits are obtained at a wide current density range

    結果表明:使用該光劑能提高鍍液的電流效率,且在很寬的電流密內獲得光、耐蝕的鋅鍍層。
  8. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光作用,擴大了鍍層光區的;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。
  9. Conjures an quartz ring that increases intelligence, wisdom, light radius and grants see invisibility

    召喚一個石英戒指,增加智力,智慧,亮度范圍和獲得反隱能力
  10. They designed a multi - function street light which acts as traffic light and timer and is able to rotate 360 degrees to light up the surroundings

    兩間學校同學合作設計的多功能街燈,可作360旋轉照幾十米的地方。街燈同時亦可用作后備交通燈及報時器。
  11. The brightness range of the scene is very important for negative films since color print material can only reproduce a limited brightness range.

    由於彩色印片材料只能再現有限,故景物的亮度范圍對彩色負片十分重要。
  12. The driver has the quiescent current under 1 a and also has soft - start circuitry to limit inrush current flow at power up. the chip can be operated normally in the temperature range of - 40 to 85 according to the simulation results. the brightness of the white leds can be controlled by using a dc voltage or a pwm signal applied to the pin with a few external components added

    系統採用0 . 5 mcmos工藝;輸入電壓為2 . 7v到5 . 5v ;在關閉狀態下消耗電流小於1 a ;具有軟啟動功能,可減小啟動過程中的浪涌電流;具有短路及過熱保護功能,工作溫為- 40至85 ; led控制可以通過外加dc或pwm電壓信號和很少的外部元件實現。
  13. The chip is mainly applied to the portable electronic products with the following features : 2. 7v to 5. 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection, low 0. 1 a shutdown current ; soft - start limits inrush current

    該晶元主要應用於便攜式電子產品,其輸入電壓為2 . 7 5 . 5v ,工作頻率為固定的1mhz ,可大幅降低輸入紋波和emi輻射,工作溫為- 40 + 85 ,可使用外部使能控制信號調節led及控制晶元關斷與否,具有過溫保護和輸入欠壓關斷保護功能,完全關斷模式下關斷電流可低至0 . 1 a ,具有軟啟動功能以限制啟動時的浪涌電流。
  14. In order to satisfy the railroad, electrical industry, public security, army, such industry, public security, army, such industry and mining business unit ' s big area high brightness illumination need on large - scale construction work, accient repairs, rush to deal with an emergency and rescue isaster and so on, our company developes the cqy6800 the omniberaing large - mobile lighting vehicle, it can may work normally under kinds of adverse circumstance and climatic conditions

    本公司為了滿足部隊、鐵路、電力、公安等企事業單位的大型施工作業、搶險救災等大照明需要,特研製開發生產了cqy6800全方位大型移動照明車,可在各種惡劣務件下工正常工作。
  15. Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right

    Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具故障保護功能,無機械故障可具資訊回饋功能鎖狀態有指示燈指示:鎖門時綠燈指示燈開門時,紅色指示燈帶鎖狀態指示燈及聯網信號輸出適用:可與樓宇對講門禁系統配套使用特別適用於逃生門防火門電氣性能:電氣性能:使用電壓: 12vdc 24vdc電流: 12vdc 0 . 53a 24vdc 0 . 27a絕緣電阻測試: dc500v 1分鐘無擊穿通電形式連續使用溫: 40 50外形尺寸: 473 x 45 x 30mm重量: 3920g
  16. Good flatness, wide range of firing temp, suitable for high - gloss floor tiles in single firing process

    平整佳,燒成寬,適用於一次燒成高地磚。
  17. Like a computer screen, photographs have a narrow range of brightnesses

    和計算機屏幕一樣,照片只有一個很窄內的
  18. We researched the influences of systhesis temperature, heat preservation time, eu + concentration, reduction surrounding feeling and flux on luminescent properties of sral2o4 : eu2 + phosphors, optimized the experiment conditions and reduced systhesis temperature about 100 c. we found that the systhesized sample ' s luminescent brightness is better with increasing systhesis temperature, but the phase component is more complex. we found that the luminescence brightness of sample appear a increasing process at first, and then a reducing one with the raise of eu2 + concentration, it indicated that the luminescence brightness is not better if the eu2 + concentration is too high or low. we found that the systhesized sample can not bright at too long heat preservation time, and the luminescence brightness is lower at too short heat preservation time. we found that particle diameter is bigger, the wavelength of emission peak is longer

    研究發現合成溫高,合成樣品的發光效果好,但物相組成也較復雜; eu ~ ( 2 + )離子在一定摻雜濃內,合成樣品的發光先是出現一個提高過程,然後是一個降低過程,說明eu ~ ( 2 + )離子濃高或低都不利於合成樣品發光;保溫時間較長,合成樣品不發光,保溫時間較短,合成樣品發光效果不好,只有合適的保溫時間才能合成發光效果好的樣品;合成樣品的粒徑大小與發射峰的位置具有一定的關系,粒徑越大,發射峰越偏向長波方向;助熔劑對樣品的合成溫和發光性能都有影響,助熔劑的量較低時,主要表現為助熔作用,對發光影響不大,助熔劑的量較高時,使得樣品發光降低和余輝時間縮短;還原方式的不同,合成樣品的發光性能也不一樣。
  19. The numbers are part of a grayscale system in which brightness is measured in a range of values. one scale ranges from 0 to 15 , and another from 0 to 255

    翻譯:數字是灰系統的一部分,在灰系統中,一個內的用一些數字被測量表示。一個刻是0到15 ,另一個是0到225
  20. The range of a large range of brightnesses will be emitted by the flames, and so you will need to use the exposure function to bring them within range of your monitor

    火焰將發出一個大內的,所以你需要曝光函數把它們帶到顯示器的亮度范圍內。
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