يعرض 1 - 20 نتائج من 81 نتيجة بحث عن '(( 10 μ decrease ) OR ((( 5 ((ppm decrease) OR (nn decrease)) ) OR ( 50 ng decrease ))))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 1
  2. 2
  3. 3

    Surface Roughness Modelling of the Micromechanically Patterned CNT Forests حسب Mohd Razib , Mohd Asyraf

    منشور في 2023
    "…Methods: Experiments were conducted using a CNC machine to pattern onto CNT Forests using specific parameters, such as 1000, 1500, and 2000 rpm (spindle speed) with feed rates of 1, 5 and 10 mm/min. The step size was kept fixed at 1 μm for each level of the patterning pass. …"
    احصل على النص الكامل
    احصل على النص الكامل
  4. 4
  5. 5

    Mercury pollution in doha (Qatar) coastal environment حسب Al-Madfa, H.

    منشور في 1994
    "…1). Organic Hg (0.6 ng L?1) contributed only 5.0% of total Hg. Mercury showed a strong tendency to be associated with suspended matter in Doha coastal waters, as it represented about 73.0% of the total. …"
    احصل على النص الكامل
    احصل على النص الكامل
  6. 6

    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) حسب Singh, A.

    منشور في 2020
    "…The optimum performance and emission characteristics (BP, BTHE, HC and NOx) are found to be 2.258 KW, 29.05%, 6.31 ppm, and 159.5 ppm respectively. The performance of B20 fueled engine was almost comparable to that of diesel fuel. …"
    احصل على النص الكامل
    احصل على النص الكامل
  7. 7

    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

    منشور في 2024
    "…Increasing condom use from 10 % to 50 % lowers NG prevalence among FSWs, clients, and their spouses from 12.2 % to 6.4 %, 1.2 % to 0.5 %, and 0.4 % to 0.2 %, respectively. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
    article
  8. 8

    Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization حسب Abdulazeez, Ismail

    منشور في 2022
    "…The presence of PUCorr at 100 ppm decreases the corrosion current density from 30.3 to 3.05 μA/cm2 in 0.5 M NaCl at room temperature, exhibiting a remarkable inhibition efficiency of 94.5%. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  9. 9

    The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder حسب Abdulkareem, Asma

    منشور في 2021
    "…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
    احصل على النص الكامل
    احصل على النص الكامل
  10. 10
  11. 11
  12. 12

    Tests of a diamond field-assisted positron moderator حسب Al-Qaradawi, I. Y.

    منشور في 2002
    "…The film was coated on one side with a 200 nm gold electrode and on the other with a similar thickness of gold in the form of a fine mesh (10 μm lines, 40 μm spaces) in the central part of the diamond surface and a solid edge for electrical contact. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  13. 13

    The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder حسب Abdulkareem A.

    منشور في 2021
    "…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
    احصل على النص الكامل
    احصل على النص الكامل
  14. 14

    Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs حسب Al-Amodi, Adel O.

    منشور في 2016
    "…Core flooding experiments showed 42 % additional oil recovery using 2.5 g/L (2500 ppm) HPAM and 0.001 g/g (0.1 mass%) amphoteric surfactant at 90 °C.…"
    احصل على النص الكامل
    احصل على النص الكامل
  15. 15
  16. 16
  17. 17
  18. 18

    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs حسب Shamlooh M.

    منشور في 2020
    "…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  19. 19
  20. 20