污損率 的英文怎麼說
中文拼音 [wūsǔnlǜ]
污損率
英文
ratio of fouling-
The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced
以黃河三角洲為例進行了區域生態風險評價理論和方法的探討。針對黃河三角洲主要生態風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概率進行了分級評價並提出度量生態損失與生態風險的指標和公式，分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術，完成了區域生態風險綜合評價在此基礎上提出黃河三角洲的區域生態風險管理對策。Abstract : the ashing loss of pb in water samples has been studied in digestive method for determination of lead by dithizone spectrophotometry ( gb 5750 - 85 ). after the digestive conditions are improved, the digestive loss of pb in some polluted water samples is prevented. the recovery of pb rised, the accuracy and precision of the analytical date are guaranteed
文摘:對國標5750 - 85雙硫腙分光光度法中消化水樣時鉛的灰化損失進行了探討，針對某些污染嚴重的水樣，改進了消化處理的條件，有效地消除了灰化損失，提高了鉛加標回收率，保證了分析測試數據的精密度和準確度。Products mainly for cowboy clothing washed processing, an alternative to traditional storage techniques, so that the processed cowboy clothing millstone snowflakes section number, a strong sense of three - dimensional, colored light contrast gradient well, i use the cellulose enzyme companies not only to reduce clothing and equipment wear and tear, but a moderate processes, efficient, sewage little benefit environmental protection, energy saving and other saving benefits, with green textile, dyeing green development
產品主要用於牛仔服裝水洗加工中，替代傳統的石磨工藝，使加工后的牛仔服裝磨石雪花節多、立體感強、色光對比度好，使用我公司的纖維素酶不僅減少服裝和設備的磨損，而且具有工藝溫和、效率高、排污少，有利於環境保護、省時節能等優點，符合綠色紡織、綠色染整的發展要求。( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst
（ 9 ）進行了催化轉化器與排氣系統的匹配研究，對于催化劑的布置，提出了「分級凈化，逐級推動」的原則；對于載體形式的選擇，提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時，排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。The formulae of the pollution harm rate and the pollution harm index suited to multi - pollutants for the water quality assessment are derived by using the genetic algorithm to optimize the parameters in the formulae
採用遺傳演算法優化公式中的參數，得到了多種水質污染物都能適用的水質污染損害率和污染損害指數公式。Based on the hypothesis of " reference value " for each pollutant, the parameters in the formulae of the pollution harm rate are universal ones independent of the characters of the pollutants when the relative values of the pollutant concentration substitute their monitoring values
摘要在選擇了各污染物的「參照值」情況下，用污染物的實測濃度相對值代替水質污染損害率公式中的濃度監測值，公式中的參數可認為與污染物的特性無關。The greatest advantages of this technique are lower pollution and low electrode wear ratio
這項技術最大的優點是低污染和低損耗率。Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料，摻加適量改性劑，經粉碎，混練，成型和高溫煅燒而製成的，不含任何對人體和環境有害的物質.其表面堅硬，粗糙，內部疏鬆，多孔，具有機械強度高，比表面積大，孔隙率大的特性.用於水處理中，具有表面性狀好，截污能力強，過濾水頭損失小，反沖洗耗水量低，化學穩定性和生物學穩定性好，使用壽命長的特點.陶粒濾料是一種能增加水產量，提高出水質量，節省藥劑和能耗的新型高效過濾材料The winding - pipe machine principal - axis magnetism supporting system is a novel magnet mechanism device. it has many advantages including no mechanism abrasion, no pollution, high efficiency, wide application, noise free, long cycle life, and so on
管絞機磁性支承系統是一種新型磁力機械設備，具有無機械磨損、無污染、高效率、適用廣、無噪聲、長壽命等優點，有著廣闊的應用前景。There exist large stress, intensive scratch, damage and pollution of ion in wafer process, so it is necessary to improve mechanism of slicing and lapping by changing single mechanical function to equilibrium chemical and mechanical function for small damage and low stress. reducing damage and stress and enhancing quality and efficiency of product result in a base of followed process so as to improve wafer process and enhance finished product ratio of whole wafer process
目前加工過程中存在應力過大，造成表面劃傷嚴重，容易產生破損，離子沾污的問題，因而必須改善切削、研磨機理，把單一的機械作用變為均勻穩定的化學機械作用，以達到淺損傷、低應力的目的，有效的減少破損層和應力的累積，提高產品質量和加工的效率。Grit, dirt or any foreign matter accumulated in the pipe can hinder efficient valve operation and seriously damage vital valve parts. thoroughly clean pipe internally with air or steam
硬渣、污物或任何外部物質在管道內積累都可能妨礙閥門的工作效率並嚴重損壞閥門的關鍵部件。必須用空氣或蒸氣對管道內部進行徹底清洗。The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量，是判斷絕緣油的劣化與污染程度的有效預防性試驗，是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而，目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷，針對這一現狀，本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。It has obvious effects on blocking scales, cleaning scales and killing bacteria, therefore it has great significance for reducing costs of oilfield production and operation, saving energy and reducing consumption, preventing corrosion and killing bacteria as well as decreasing scale pollution to reservoir
文章探討了一種新型的頻率掃描式高頻電磁清防垢裝置的機理、參數設計及應用效果，該裝置阻垢、清垢和輔助殺菌效果明顯，對于油田降低生產運行成本、節能降耗、防腐殺菌、減輕儲層垢類污染損害等具有重要意義。Transportations give convenience and make huge value to people, at the same time they take transportation accident and environment pollution which has been in the catastrophical level. transportation catastrophe brings the losing life, property and the broken environment which are taken by transportation accidents and negative effects of the transportation activity. the essential character of the transportation catastrophe is sociality. the existing researches divide the transportation accident and transportation pollution into two different fields and seldom study the formation mechanism of the transportation catastrophe and forewarning countermeasure on the viewpoint of catastrophe and social management. based on the viewpoint of catastrophe, macromanagement and integrated the road and water transportation catastrophe which its frequency are higher among the transportation, this paper sets up the forewarning management system of carrier in the transportation catastrophe to find a principle and method of the effec tive defending transportation catastrophe and reducing catastrophe losing by using the methods of association theory with demonstration investigation, the theory of system, forewarning management and countermeasure theory. this paper try to offer a new theory and application approach
現有研究把交通事故與交通污染割裂開來研究，鮮有從災害的角度和社會層面來系統研究交通災害的致災機理與防範對策。本論文從災害和宏觀管理的研究層面，針對交通運輸中發生事故與環境污染頻率較高的公路、水運交通運輸活動，綜合災害學、系統理論、預警管理理論以及對策學理論，採用理論與實證相結合的方法，研究交通災害中載運工具的致災機理及其預警管理系統的構建，尋求有效預防交通災害和降低災害損失的原理與方法，試圖在交通災害治理方面提供新的理論和實踐方法。本論文以發生交通災害的致災要素? ?載運工具為研究對象，通過公路、水運交通中車輛、船舶造成交通災害的成因、表現特徵和擴展規律的研究，構建了交通災害中載運工具的致災機理模型。Abstract : along with the switch of planned economy to the market economy, all sorts of malpractices which the present city heating system produces even more prominent : facility backwardness, the equipment get older, the efficiency is low, the investment insufficiency, the enterprise loses money, the waste energy, the pollution environment
摘要：隨著計劃經濟向市場經濟的轉軌，現行城市供熱制度產生的種種弊端愈加突出：設施落後、設備老化、效率低下、投資不足、企業虧損、浪費能源、污染環境。Discussion pacs enables the digiatlized collection, partial none - film memory and management of images. different to the traditional memory method, doctors can save the photo on raid i or other memory medias. this can save the money spent on film and lotion
此外傳統的影像資料保管方式完全由手工操作， ? 3 ?經過多次借還、會診、造成影像資料流失率高達10edo ；膠片容易污損，影像資料失真、變質和毀壞率高達5 ? 10 ；另外，沖洗膠片也可以因為機器或藥水的原Then virtual dielectric constant method is adopted to calculate the electric field distribution with floating electrodes, and equivalent conductance rate method is adopted to calculate the electric field distribution with surface filth or local puncture in the insulator, furthermore the value scope of virtual conductance rate and equivalent conductance rate are discussed and some useful results are got. for the solution of vortex loss of silicon steel sheets concerning current transformer, the h solution has also been put forward rather than traditional a ? ( p method in order to reduce calculation load
採用虛擬介電常數法計算絕緣子存在懸浮導體的電場分佈，採用等效電導率法計算絕緣子存在表面污穢或局部擊穿情況下的電場分佈。對虛擬介電常數和等效電導率的取值范圍進行了討論，得出了一些有用的結論。對于電流互感器硅鋼片渦流損耗的計算，本文提出了不同於傳統的a -方法的h求解辦法，從而大大簡化了計算。An example is analyzed ; the result is the same as those of the gray associate analysis method, fuzzy synthesis judgment method, rate of pollution loss method and variable weight recognition model
實例分析表明，其結果與灰關聯分析方法、模糊綜合評判方法、污染損失率法和變權識別模型的評價結果相一致。If applying the induction cooker technology to develop a new type electromagnetism vortex water heater, it would keep the characters of the induction cooker. so the electromagnetism vortex water can overcome the defect such as giving off poison gas, which pollutes environment and does harm to people health. the new type electromagnetism vortex water heater will be safer than traditional ones, because the electric and water is separated
借鑒電磁爐技術，若將電磁渦流加熱技術應用於熱水器，研製出電磁渦流熱水器，將具有電磁爐所具有的安全、高效、節能、環保的特點，從而克服了燃氣熱水器使用過程中排出的廢氣、毒氣污染環境，損害人體健康，熱效率低的缺點以及電熱水器水電不分離存在的安全問題，真正實現安全、高效、節能、環保的電磁渦流熱水器。分享友人