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Titlebook: Handbook of Gynecology; Donna Shoupe Living reference work 20200th edition gynecologic cancers.gynecologic office procedures.gynecologic

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61#
發(fā)表于 2025-4-1 02:04:08 | 只看該作者
E. Clair McClung,Ardeshir Hakam,Mian M. K. Shahzadons which retain their extra electron for an indefinite period of time are considered stable: additional energy is required to remove the electron. Negative ions which hold on to their extra electron for 10. seconds are metastable: this period of time is long enough for the ion to be useful for a la
62#
發(fā)表于 2025-4-1 07:27:54 | 只看該作者
Jocelyn Garcia-Sayre,Antonio V. Castaneda,Lynda D. Roman,Koji Matsuoish the natural conditions of silicate formation and the physical chemistry of simple and complex silicate systems. A major result from these studies has been the production of new silicon compounds, with identification of their crystallization and stability ranges. A very similar analog of silicon
63#
發(fā)表于 2025-4-1 11:52:28 | 只看該作者
Kristy Ward,Alexandra Walker,Amy R. Carrollng with his life and activities give very little information on his researches on crystal genetics, and it may well be that these studies are unknown to most of those working on crystal genesis. A symposium dedicated to Fedorov on crystal growth gives opportunity to deal with this side of his life’s
64#
發(fā)表于 2025-4-1 14:23:16 | 只看該作者
Katherine Nixon,Christina Fotopoulouforms, which differ in structural order and which are usually not stoichiometric [2]. All the modifications, apart from the most stable one β -MnO. (pyrolusite), lose water at 105°C and above and are completely dehydrated at 500°C. Pyrolusite exists up to 500°C, but then it begins to lose oxygen and
65#
發(fā)表于 2025-4-1 19:52:00 | 只看該作者
Dalal Eldick,Fausto Andradeace growth rates for monohedra as functions of temperature difference AT in solutions of KOH and NaOH. Preferential growth along the polar L. axis leads ultimately to loss of the positive monohedron face. Prolonged growth causes the crystal to be covered with the slowly growing faces only, and the o
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