Showing 341 - 357 results of 357 for search '((((pina OR bina) OR espinal) OR spina) OR (((min OR (pink OR pin)) OR rings) OR (ping OR ling)))', query time: 0.08s Refine Results
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  3. 343

    Synthesis and structural analysis of [alpha]-aminophosphonic acids and their phosphonate ester derivatives by Lee, Rosalind Jane

    Published 1996
    “…The effects of the aromatic ring currents exerted by the extended aromatic substituents were investigated. …”
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    Thesis
  4. 344

    Investigation of green foamed concrete incorporating palm oil fuel ash and eggshell ash as partial cement replacement by Ahmed Jhatial, Ashfaque

    Published 2018
    “…The effect of partial replacement on the workability was determined by J-ring test, mechanical properties such as, compressive and tensile strengths as well as modulus of elasticity and thermal performance of GFC was determined by thermal conductivity and surface temperature. …”
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    Thesis
  5. 345
  6. 346
  7. 347

    Developing a framework of non-fatal occupational injury surveillance for risk control in palm oil mills by Ruslan, Rumaizah

    Published 2018
    “…Analysis of logistic regression indicated that working in shift, not wearing protective gloves, health problems such as shortness of breath and ringing in ears, and excessive noise level (≥ 85 dB[A]) were the risk factors of NFOI in palm oil mills among OP workers. …”
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    Thesis
  8. 348
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  11. 351

    Studies of 1,2-naphthoquinone mono-oximato complexes by Musa, Yusuf

    Published 1991
    “…The oxidation involved oxidative cleavage of the aromatic ring of catechol by molecular oxygen to give muconic acid anhydride and 2H-pyran-2-one in addition to benzoquinone. …”
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    Thesis
  12. 352

    Novel narrowband microstrip filters for wireless communications systems by Farhat, Mohamad

    Published 2010
    “…The various ‘C-shape’ open-loop ring resonators were developed and fabricated, namely ‘Embedded-Square’ and ‘Embedded-Triangle’ resonators, exhibited a quasielliptic function bandpass filter response free from spurii across an ultra-wide bandwidth. …”
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    Thesis
  13. 353
  14. 354

    Studies of complexes derived from 5-acetylamino-1,2-benzoquinone 2-oxime and related ligands by Barjesteh, Hengameh.

    Published 1991
    “…For all complexes i.r. studies indicate the involvement of the ring CO in bonding. Their electronic spectra show strong absorption in the u.v. region which tails into the visible but d - d transitions have been clearly Identified for Ni(5-Acqo)2.6H20 and Mn(5-Acqo)3 .H20. …”
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    Thesis
  15. 355

    Green approach to treat institutional wastewater by using cassava peels starch (CPS) as coagulant aid by Kumar, Vicky

    Published 2018
    “…Removal efficiency of dual coagulant (alum+CPS) were achieved at optimum dosage of 40:60 mg/L at pH 8 with 60 mins settling time with removal efficiency of COD (41%), TSS (86%) and Turbidity (91%). …”
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    Thesis
  16. 356

    Green synthesis, characterization and laser irradiation of silver nanoparticles and its bimetallic nanoparticles by Saleh Mubarak, Salah

    Published 2020
    “…In contrast, Ag/Cu NPs were synthesized by mixing Cu solution (1, 3, 5 and 7 mM) with Gre-Ag NPs at room temperature and left for 10 mins. Moreover, the silver nanostructures (Ag NSs) was fabricated by manipulating Gre-Ag NPs with diode laser 450 nm at different times. …”
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    Thesis
  17. 357

    In vitro bioactivities of anodised titanium in mixtrue of B-Glycerophosphate and calcium acetate for biomedical application by Lee, Te Chuan

    Published 2016
    “…The parameters for anodic oxidation method such as applied voltage (50-350 V), current density(10-70 mA.cm-2), electrolyte concentration (0.02 M β-GP + 0.2 M CA, 0.04 M β-GP + 0.04 M CA) , anodising time (5-10 mins), agitation speed (300-1500 rpm), ultrasonic amplitude (20-60 μm) and bath temperature (4-100 °C) were varied to investigate the impact on the surface properties of titanium. …”
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    Thesis