induction period


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induction period

[in′dək·shən ‚pir·ē·əd]
(physical chemistry)
A time of acceleration of a chemical reaction from zero to a maximum rate.
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In order to evaluate the main difference in induction period as a function of antioxidant additions, the grape seed oil and vitamin E were bought from compounding pharmacies based on Dourados-MS, brazil and the Eugenol (R.G.
Evaluation of Natural Antioxidants Action in Oxidative Stability of Commercial Biodiesel
Sample The end time of the The appear time of the second induction period (h) exothermic peak (h) Pure 1.3 7.9 cement + 0.05% 1.7 8.3 EAC + 0.05% 2.2 9.2 DMO + 0.05% 1.8 10.6 TG +0.05% 4.2 10.4 TMP +0.05% 2.2 10.9 TB Sample Second exothermic peak Total heat release (J/g) exothermic rate (J/g-h) 24 h 48 h 72 h Pure 14.2 295.0 374.0 416.6 cement + 0.05% 14.8 311.3 396.8 443.5 EAC + 0.05% 15.6 325.6 418.1 468.4 DMO + 0.05% 17.7 330.0 430.1 482.2 TG +0.05% 13.2 266.7 345.2 389.0 TMP +0.05% 16.3 311.8 411.2 463.7 TB Table 5: Pore structural parameters of hardened cement.
Influence of Organic Esters on Portland Cement Hydration and Hardening
According to Rossel, oxidative stability of oils is directly linked with the induction period. The IP (Rancimat, 20 L/ h, 120degC) of cottonseed oil was determined in the range of 1.95-2.65 h [20].
FTIR Characterization and Physicochemical Evaluation of Cottonseed Oil
At 150 [degrees]C there is an induction period of 8 hours before the rate increases until a plateaus is reached after 72 hours.
New Perspectives on the Temperature Dependence of Lubricant Additives on Copper Corrosion
An induction period in which the increase is not sharp.
Rapid structural changes that take place during constrained annealing of biaxially stretched pet films
The induction period is the length of time until progressive oxidation exponentially accelerates the generation of oil degradation compounds (Kristott, 2000).
Antioxidant Activity of some Extracts from Gamma irradiated Purslane (Portulaca oleracea) Plant
Induction period. The results of induction period of different treatments of high oleic butter oils are presented in Table 5.
Enhancement of oleic acid in butter oil by high oleic fraction of Moringa oleifera oil
Moreover, we also found that the added alkaline cations could shorten the induction period of the catalytic oxidation.
O2-Binding Abilities and Catalytic Oxidation Performance of Cobalt (II) Complexes with Dihydroxamic Acid Functionalized N-pivot Lariat Ethers
Highest vitamin C level (94.8 and 61mg 100[g.sup.-1]) in calli induced with 4.14[micro]M PIC + 0.207[micro]M KIN was obtained, followed by 8.28[micro]M PIC + 4.14[micro]M KIN, both during the induction period, respectively.
Vitamin C and total phenols quantification in calli of native passion fruit induced by combinations of Picloram and Kinetin/Quantificacao de vitamina C e fenois totais em calos de maracujazeiro nativo induzidos por combinacoes de Picloram e Cinetina
Moreover, all patients in this group were treated with prophylactic sulfamethoxazole compound tablets during the induction period routinely from the beginning of induction therapy, at a daily dose of 25 mg/kg (4 days consecutively with 3-days interval).
Infections During Induction Therapy of Protocol CCLG-2008 in Childhood Acute Lymphoblastic Leukemia: A Single-center Experience with 256 Cases in China
By analysing the processes at the end of the induction period, it can be assumed that this period ends between 15 and 18 h.
The thermal stability of rapeseed oil as a base stock for environmentally friendly lubricants/Aplinkai draugisku baziniu alyvu, gaminamu is rapsu aliejaus, terminis stabilumas
Safdar Ali, Vice Chairman of Shaheen Air International, said the airline has witnessed rapid induction period in the aviation industry of the world as 18 aircraft were inducted in 18 months including replacement of old aircrafts with new.
Shaheen Air plans to enhance its fleet up to 25 aircraft

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