(a.) Permitting liquids to pass by percolation; not capable of retaining water; porous; pervious; -- said of gravelly or sandy soils, and the like.
Example Sentences:
(1) Both groups of goats were infested with small numbers of immature stages of the tortoise tick, Amblyomma marmoreum, and the yellow dog tick, Haemaphysalis leachi.
(2) Psilotrema simillimum has one intermediate host, the mollusk Bithynia leachi.
(3) In spermatocytes of Bithynia leachi and B. tentaculata, synaptonemal complexes with nodules in an achiasmatic meiosis were demonstrated for the first time by means of the spreading technique.
(4) Fourteen tick species were recovered and the seasonal abundance of adult Haemaphysalis leachi and adult Rhipicephalus simus was determined.
(5) The presence of Rickettsia conorii both in Rhipicephalus sanguineus ticks collected in southern France, and in Rhipicephalus simus and Haemaphysalis leachi from Zimbabwe was demonstrated.
(6) Two stocks of large Babesia from dogs originating in France, transmitted by Dermacentor reticulatus, two from North Africa, having Rhipicephalus sanguineus as vector, and one from South Africa, transmitted by Haemaphysalis leachi, were compared in cross-immunity tests in dogs and in the indirect fluorescent antibody test (IFAT).
(7) Strains of Haemaphysalis Leachi, Haemaphysalis silacea and Ixodes pilosus were also tested.
(8) It seems possible that the leachi and spinulosa subgroups have evolved from a complex of species included today in the spinulosa and canestrinii subgroups.
(9) We have now determined in Bursatella leachi plei, an Opisthobranch closely related to A. californica, that the ocular pacemakers are mutually coupled.
(10) The probable intermediate host is a hard tick, Haemaphysalis leachi.
(11) The exact role of dogs and their ticks (Rhipicephalus sanguineus, R. simus and Haemaphysalis leachi) in the epidemiology of human tick-bite fever remains unclear, since dog ticks were seldom found to harbour rickettsia-like organisms and man is not one of their preferred hosts.
(12) The data from the canestrinii group suggest the existence of a relationship between the indica-heinrichi-canestrinii subgroup, spinulosa subgroup and leachi subgroup, because they share many morphological features.
(13) By virtue of the interaction between the pacemakers of B. leachi plei, the period of the ocular rhythm is increased by 1.5 h. In addition, eyes that remain attached to the nervous system show an increase in the sustainability of the free-running rhythm compared with isolated eyes.
(14) Reproductive organs of four botryllid ascidians, Botryllus primigenus, Botryllus schlosseri, Botrylloides violaceus and Botrylloides leachi, were studied histologically.
Retain
Definition:
(v. t.) To continue to hold; to keep in possession; not to lose, part with, or dismiss; to retrain from departure, escape, or the like.
(v. t.) To keep in pay; to employ by a preliminary fee paid; to hire; to engage; as, to retain a counselor.
(v. t.) To restrain; to prevent.
(v. i.) To belong; to pertain.
(v. i.) To keep; to continue; to remain.
Example Sentences:
(1) The femoral component, made of Tivanium with titanium mesh attached to it by a new process called diffusion bonding, retains superalloy fatigue strength characteristics.
(2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
(3) Their particular electrophoretic mobility was retained.
(4) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
(5) Despite this alteration in subcellular distribution, the mutant polypeptide retained the ability to induce fibroblast transformation by several parameters, including the ability to display anchorage-independent growth.
(6) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
(7) By adjustment to the swaying movements of the horse, the child feels how to retain straightening alignment, symmetry and balance.
(8) ITV retained its quasi-feudal structure until the 1990s.
(9) This "paradox of redistribution" was certainly observable in Britain, where Welfare retained its status as one of the 20th century's most exalted creations, even while those claiming benefits were treated with ever greater contempt.
(10) Ultraviolet difference spectrophotometry indicates that the inactivated enzyme retains its capacity for binding the nucleotide substrates whereas the spectral perturbation characteristic of 3-phosphoglycerate binding is abolished in the modified enzyme.
(11) In a newspaper interview last month, Shapps said the BBC needed to tackle what he said was a culture of secrecy, waste and unbalanced reporting if it hoped to retain the full £3.6bn raised by the licence fee after the current Royal Charter expires in 2016.
(12) The most serious complications following operative treatment are retained bile duct calculi (2.8%), wound infection and biliary fistulae.
(13) Bivalent F(ab')(2) also retains its insulin-like effects.
(14) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
(15) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
(16) The fact that the security service was in possession of and retained the copy tape until the early summer of 1985 and did not bring it to the attention of Mr Stalker is wholly reprehensible,” he wrote.
(17) Formula fed infants retained more nitrogen and gained weight faster.
(18) As an extension of the previous study which indicated that mesoglea is a primitive basement membrane which has retained some characteristics of interstitial extracellular matrix, the present study was undertaken to analyze the role of mesoglea components during head regeneration in Hydra vulgaris.
(19) The resulting cell lines have a stable phenotype and retain the changes which result from transformation even after extended passaging.
(20) Protein synthesis in cell-free extracts from resistant or susceptible bacteria was equally susceptible to inhibition by Cd(2+), but spheroplasts from resistant bacteria retained their resistance.