working concentration 中文意思是什麼

working concentration 解釋
工作濃度
  • working : adj 1 工作的，從事勞動的。2 操作的，作業的。3 工人的。4 （用於）實際工作的，任事的；使用（中）的...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. If we can find a way to artificially enhance the adsorption of activated carbon, its benefits on economy and environment will be considerable. it is the aim of this work to investigate electrosorption of chloroform in water on granular activated carbon. the potentials on working electrode are controlled by potentiostat and the concentration of chloroform is measured by headspace gas chromatography

    實驗用恆電位儀作控制電源，調節工作電極電位（相對于參比電極電位）來控制加在活性炭上的電場，用頂空進樣法測定水中氯仿的剩餘濃度，參照方法與依據都是國家標準方法或國外先進方法。
  2. Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants, agrobacterium rhizogenes, affecting factors and their magnitude and the underlying mechanism in the transformation, therefore to determine the optimum explants, pre - culture time, tested strain concentration, infection time, co - culture time, affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test, this project was launched. with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants, agrobacterium rhizogenes r1601 and r1000 as infection agents, transformation was performed using different methods and under various circumstances

    為了建立一種有效的誘導大苞栝樓發根的方法及其發根培養體系，以適合於發根生物反應器擴大培養研究和應用基礎的需要；本研究對誘導發根的外植體在發根農桿菌和環境因子等影響作用下進行發根的誘發及其可能的機理進行探討，從而找出用於發根誘導和培養的最佳外植體、預培養時間、發根農桿菌濃度、感染時間和共培養時間、誘導條件，並通過正交試驗得出優化的誘導條件。
  3. By measuring goaf gas concentration distribution in 3205 working face of taopinggou coal mine, we initially identified gas concentration distribution rules in coaf of room and pillar working face, therefore provided scientific basis to prevent and cure gas accidents of goaf in such working face

    摘要通過對桃坪溝煤礦3205回採工作面采空區瓦斯濃度分佈的實際測定，初步查明了房柱式回採工作面采空區瓦斯濃度的分佈規律，為今後此類工作面采空區瓦斯防治、防止采空區瓦斯事故的發生提供了科學依據。
  4. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  5. Effect of bacteria concentration in the indoor air of the public entertainment places on the immune level of the working staff in zichuan district of zibo

    淄博市淄川區娛樂場所室內空氣中細菌含量對從業人員免疫水平的影響
  6. During the deep - hole blasting for the excavation of guishan quarry for construction of baoquan pumped storage hydropower station, the blasting powder factor and the charging concentration of the blasting powder in the rock are reasonably controlled, and then the rate of blasting chunk is greatly decreased with the reduction of the working amount of the boulder blasting afterwards in conjunction with the suitable excavator and crusher etc

    摘要在寶泉抽水蓄能電站工程龜山料場開挖的深孔爆破中，合理控制了爆破單位耗藥量和炸藥在巖石中的集中度，最大限度地降低了大塊率，並結合使用適宜的開挖及破碎機械等措施，從而減少了二次爆破工作量。
  7. Many scholars think they have not important physical roles because of their high working concentration. they have the same n - terminal amino acid and c - terminal amino acid, namely asparine and cysteine respectively. they form two largely the same hydrophobic domains

    Bsp - a1 a2和a3的n -端都是天冬氨酸， c -端為半胱氨酸，並都含有兩對二硫鍵，由此形成了兩個基本相同的疏水結構區。
  8. The results showed that controlling methane in shaqu coal mine by incline high - position alley pumping was very efficient, a great deal of high - concentration methane had been taken out with the pumping system, and this technique supplied a technical guarantee for safe production in the working face

    研究表明，在沙曲礦三軟條件下近距離高瓦斯煤層群實施傾斜高抽技術治理瓦斯效果明顯，能夠抽放出大量的高濃度瓦斯，為工作面的安全生產提供了技術保障。
  9. Gold gets the stratum that estate is concentration of social elite height, the age comes 45 years old in 25 years old between, had gotten good education, ability of the working experience with have certain, management plan, professional skill and resource of certain human relations in society, income yearly salary is in 150 thousand to 400 thousand between

    金領階層是社會精英高度集中的階層，年齡在25歲至45歲之間，受過良好的教育，有一定的工作經驗、經營策劃能力、專業技能和一定社會關系資源，收入年薪在15萬到40萬之間。
  10. In order to enhance the gas drainage effect in a working face with low permeability and high concentration of gas, the new methane drainage technology is studied

    摘要為提高低透氣性、高瓦斯煤層工作面的瓦斯預抽效果，對工作面瓦斯抽放新技術進行了研究。
  11. After centrifugation at 8000rpm for 15 minutes, the bacterial pellets was subjected to ultr asonication in the suspension solution ( 50mmol / l, ph8. 0 tris - hci, 100mmol / l nac1, 0. 5mmol / l edta, 4mol / l urea, 0. 2 % triton x - 100, 0. 2 % doc ) at 300w, working 3s, intervul 3s for 240 times. then, concentration at 8000rpm for 15 minutes at 4

    : 3 ） p （正x一們』一1一nk4表達菌株blzi誘導持續時間的研究分別進行了1 、 2 、 3 、 4 、 5小時的誘導，發現在誘導2小時后表山西醫科大學2003屆碩士學位論文達即可達到最人。
  12. Standard method for determination of endotoxin concentration in water miscible metal working fluids

    水可混合的金屬加工液中內毒素濃度測定的標準方法
  13. The optimum conditions of dot - elisa was determined : the optimal coating concentration was 8. 9 u g / ml, 1 : 400 was the best working concentration of hrp - laleled rabbit antichicken igg, the other steps and reagentes were also optimized

    抗原最適包被濃度為8 . 9 g / ml ，酶標抗體最適工作濃度為1 ： 400 ，確定了其他反應試劑和各步的最佳反應時間。
  14. Dust emission of technical equipment - evaluation of the emission of airborne hazardous substances - part 2 : pollutant concentration parameter ; stationary operated wood working machines

    技術設備粉塵排放.氣載有害物質排放量測定.第2部分
  15. Dust emission of technical equipment - evaluation of the emission of airborne hazardous substances - part 2 : determination of the pollutant concentration parameter, test bench method, handheld electrical wood working machines

    技術設備的粉塵排放.氣載危險物質的排放估算.第2部分
  16. Abstract : a research has been carried out theoretically and experimentally on the relationships among the unit volume fragmenting power of the diamond - circular saw and the factors such as grain sizes, concentration and working clearnce

    文摘:從理論和實踐上研究孕鑲金剛石圓鋸片的單位體積破碎功與金剛石的粒徑、濃度及工作間隙等因素的關系。
  17. The mathematic models of them are founded and computed with the new working pairs tfe / tegdme. the effects of heat source temperature, temperature drop of heat source in systems, output temperature, temperature of cooling water, concentration range of cycle on the quantity and quality of recovered heat are analyzed in the paper. the results show that in the three cycles, in the concerned range of parameters, cop of the high - low cycle ranges between 0. 32 and 0. 34, coe ranges between 0

    計算結果顯示，在所計算的三種方式的循環中、在所研究的參數變化范圍內，高低型循環的cop大體維持在0 . 32 0 . 34的范圍內、 coe大體維持在0 . 53 0 . 6的范圍內，並聯型循環的cop大體維持在0 . 29 0 . 32的范圍內、 coe大體維持在0 . 48 0 . 53的范圍內，而低高型循環的cop與溫升是一對很尖銳的矛盾：溫升在60左右時， cop只有0 . 1左右，而要達到較高的cop時，溫升只能達到很低的30 40 。
  18. In the article, the numerical simulation software ansys is used to analyze the working stress distribution in butt joint and the effect of the geometric parameter on the stress concentration efficiency

    摘要通過數值模擬軟體ansys分析對接接頭的工作應力分佈，找出了對接接頭的幾何參數對應力集中系數的影響。
  19. Abstract : in this paper we analyzed the co and nox emission from water heaters and the pollution to kitchen environment by using the test data in kitchen environment and the concentration of harmful gas in flue gas discharged from water heaters working in different conditions

    文摘:利用燃氣快速熱水器在不同使用工況下，煙氣中有害氣體含量及廚房環境測試數據，分析了熱水器排放及其對廚房環境的污染情況。
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