Results 251 to 260 of about 433,264 (313)

Longitudinal profiling of antiphospholipid antibodies reveals pre-conception levels as a key predictor of live birth in women with recurrent pregnancy loss. [PDF]

Front Immunol
Luo PD, Li Q, Wei SQ, Zheng PS.
europepmc   +1 more source

Status of On-Farm Artificial Insemination Services and Effectiveness of Oestrus Synchronization in Dairy Cattle Under Small-Scale Dairy Farming System. [PDF]

Vet Med Sci
Milkias T, Chebo C, Worku A.
europepmc   +1 more source

Administration of antioxidants at parturition in Italian Mediterranean lactating buffaloes: findings in the postpartum. [PDF]

Trop Anim Health Prod
Frattina L, Carbonari A, Burgio M, Bramante G, Andriulo OM, Ceci E, Galdieri C, D'Onghia A, Cicirelli V, Rizzo A.   +9 more
europepmc   +1 more source

The impact of melatonin implants on the fertility of superstimulated donor heifers at subsequent insemination after embryo recovery. [PDF]

BMC Vet Res
Davoodian N, Kadivar A, Gholami M, Nasiri-Dashtaki F.   +3 more
europepmc   +1 more source

Concepts of Equilibrium Exchange Rates [PDF]

SSRN Electronic Journal, 2005
This paper explains what is meant by the concept of equilibrium exchange rates. It argues that a variety of equilibrium exchange rates can be defined and their behaviour will vary according to different definitions of the exchange rate, and over short, medium and long-term horizons.
Rebecca L Driver, Peter F Westaway
openaire   +1 more source

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Concepts of rate responsive pacing

IEEE Engineering in Medicine and Biology Magazine, 1990
Various concepts for measuring (by means of biosensors incorporated into pacemakers) biologic parameters to determine the appropriate pacing rate are reviewed. They are pH, stimulus-to-T-wave interval, blood temperature, intercardiac blood pressure change, venous oxygen saturation, intercardiac impedance (stroke volume, ejection rate, preejection ...
H J, Smith, N E, Fearnot, W A, Hillenbrand   +2 more
openaire   +2 more sources

Peer-Concept Ratings in Rural Children

Psychological Reports, 1969
Comparison of peer perceptions of 95 rural Negro and 95 white elementary level students shows substantial differences across race in the factor structure on a form of Osgood's Semantic Differential. Caste, class, race, grade level, poverty level, or other factors should, in further studies, be related to the depressed peer evaluation of Negro samples ...
E R, Powell, W F, White
openaire   +2 more sources

Season and Rate of Conception

Nature, 1938
THE many difficulties of studying the effect of season upon birth-rate (or conception-rate) have been listed in Huntington's recent book “Season of Birth”. Factors such as birth control, a popular season for marriages, the return of males at holiday seasons, etc., all tend to obscure the actual relationship.
openaire   +1 more source

A Method of Abstractness Ratings for Chinese Concepts

2018
As a kind of semantic knowledge of words, abstractness shows the degree of abstraction of a concept. There are many databases rating the concreteness of English words; however, there is only a small amount of research on analyzing the abstractness (or concreteness) of Chinese concepts.
Xiaomei Wang, Chang Su 0006, Yijiang Chen   +2 more
openaire   +1 more source