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Problems from mass spectroscopic analysis of lead in some Bulgarian endogene deposits


, : Problems from mass spectroscopic analysis of lead in some Bulgarian endogene deposits. International Geological Congress, Abstracts = Congres Geologique International, Resumes 27(6): 6-7


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Gowdy, J.; Batchelor, M.; Neelov, I.; Paci, E., 2017: Nonexponential Kinetics of Loop Formation in Proteins and Peptides: A Signature of Rugged Free Energy Landscapes?. The kinetics of loop formation, i.e., the occurrence of contact between two atoms of a polypeptide, remains the focus of continuing interest. One of the reasons is that contact formation is the elementary event underlying processes such as folding...

Carrero, J.C.; Petrossian, P.; Acosta, E.; Sanchez Zerpa, M.; Ortiz Ortiz, L.; Laclette, J.P., 2000: Cloning and characterization of Entamoeba histolytica antigens recognized by human secretory IgA antibodies. To identify the Entamoeba histolytica antigens capable of inducing secretory IgA (sIgA) responses in humans, a cDNA library from the strain HM1:IMSS was immuno-screened with saliva from patients with intestinal amebiasis or amebic liver abscess. C...

Steel, B.J.; Kayaalp, A.S.; Kurucsev, T.; Ward, A.D.; Jackson, M.B., 1990: Nitrate selectivity of ion exchange resins and of their model compounds i. conductance measurements on benzyltrialkylammonium salts. The concentration dependence of the conductance in aqueous solution of a series of benzyltrialkylammonium chlorides, nitrates and sulfates was measured. The n-alkyl substituents in this series were methyl, ethyl, propyl butyl and pentyl. The condu...

Wolf, D.A.; Veasey, S.P.IIi; Wilson, S.K.; Adame, J.; Korndorffer, W.E., 1998: Death following minor head trauma in two adult individuals with Chiari I deformity. Reports of sudden death associated with minor head trauma in adults with the Chiari I malformation are rare. We describe two such cases, occurring in a 71-year-old individual and in a 22-year-old individual. In both cases, postmortem examination r...

Bi, S.; Liu, M.; Shen, J.; Hu, X.Matthew.; Zhang, L., 2017: Ultrahigh Self-Sensing Performance of Geopolymer Nanocomposites via Unique Interface Engineering. Monitoring and assessment of the health of a civil structural material are the critical requirements to ensure its safety and durability. In this work, a coating strategy on carbon nanotubes (CNTs) was employed for the dispersion of CNTs in geopol...

Araki, S.; Motoyama, M.; Chikazawa, K.; Ijima, K.; Tamada, T., 1985: Biphasic stimulatory effects of estrogen on gonadotropin surges induced by continuous administration of gonadotropin-releasing hormone in women. The present experiments were performed to study the effects of preovulatory levels of estrogen on GnRH-induced gonadotropin release. Twelve female volunteers in various phases of the menstrual cycle received estradiol infusion for 66 h at a consta...

Venkatesh, A.; Vanangamudi, K.; Umarani, R., 2002: Effect of container size on seedling growth of Acacia nilotica ssp. indica. A study was conducted to determine the suitable size of containers to obtain optimum growth of Acacia nilotica subsp. indica seedlings in the nursery. Results showed that the size of the container has profound influence on the seedlings' morp...

Khatib, A.M.; Kontogiannea, M.; Fallavollita, L.; Meterisslan, S.; Jamison, B.; Radzloch, D.; Brodt, P., 2000: Increased production of inflammatory cytokines by Kupffer cells in response to metastatic tumor cells. Proceedings of the American Association for Cancer Research Annual Meeting (41): 304, March

Bolliet, V.; Azzaydi, M.; Boujard, T., 2001: Effects of feeding time on feed intake and growth. The influence of feeding time on feed intake, growth, nutrient utilization and carcass quality of fishes are discussed.