What's the difference between aspen and birch?

Aspen


Definition:

  • (n.) Alt. of Asp
  • (a.) Of or pertaining to the aspen, or resembling it; made of aspen wood.

Example Sentences:

  • (1) The private company Aspen Medical, which won a $20m contract to build an Ebola treatment centre in Sierra Leone, gave $30,000 to the Liberal party.
  • (2) Rich people glide across it on skis and 4X4s, between resorts at Aspen, Crested Butte and Breckenridge.
  • (3) Speaking at an address to the Aspen Institute of India, Ramesh hailed the alliance between the Basic countries as a "watershed" moment that highlighted the growing influence of emerging economies in general and China in particular.
  • (4) Of the 734 adult tibial fractures treated in Aspen, Colorado, from 1968-1978, follow-up results were obtained on 527 (72%).
  • (5) A cDNA clone (Ptomt 1) encoding a lignin-bispecific O-methyltransferase (OMT) was isolated by immunological screening of a lambda gt11 expression library prepared from mRNA of developing secondary xylem of aspen (Populus tremuloides).
  • (6) The yeast flora of the majority of studied plants is diverse and comprises 10--20 species (in cabbage, potato, linden, aspen, and pear trees).
  • (7) Earlier in the Aspen discussion, for example, he talked about the Stuxnet worm – which was used to destroy centrifuges in the Iranian nuclear programme – as something that was obviously created by a nation-state, but affected not to know that the US was one of the nation-states involved.
  • (8) He told reporters at the Aspen Security Forum: “It was not part of the discussion.” Davutoğlu, when asked if the agreement with the US to use Incirlik base included the long-time Turkish demand of creating a safe haven in northern Syria, said it took into account Turkey’s considerations.
  • (9) The prime minister said the government would provide up to $20m for an Australian company, Aspen Medical, to run the UK-built medical centre in Sierra Leone until mid next year.
  • (10) Lyndon Haviland, a senior health fellow at the US-based Aspen Institute, said: "Children have high mortality.
  • (11) The Aspen Institute's New Voices Fellowship , launched this year with support from the Bill & Melinda Gates foundation, is one attempt to start figuring out an answer by providing both media coaching and contacts for development experts from Africa and, eventually, other parts of the developing world.
  • (12) My personal journey to the iPad began around 16 years ago in Aspen, Colorado.
  • (13) Palin acknowledged that he is usually painted as the villain for squashing the idea of a stage tour after the Aspen festival, but he was cautiously supportive of the adaptation.
  • (14) This culture also readily fermented hemicellulose hydrolysates obtained by mild acid hydrolysis of either hydrogen fluoride treated or steam exploded Aspen wood.
  • (15) Mouse hepatoma cell line, Hepa-1, was exposed to acetone extracts of hardwoods (alder and aspen), softwoods (pine and a mixture of pine and spruce) and cellulose materials.
  • (16) The inner microflora of blood-sucking mosquitoes genus Aedes inhabiting different biotops of aspen-birch woods of the Tomsc Priob region has been investigated.
  • (17) The Aspen Art Museum designed by architect Shigeru Ban.
  • (18) A biphasic pattern of gene expression and enzyme activity for OMT was observed from xylem samples of aspen during the growing season which suggests linkage between gene expression for a monolignol biosynthetic enzyme and seasonal regulation of xylem differentiation in woody plants.
  • (19) The regular occurrence of Giardia cysts in Aspen and Snowmass water was associated with lower rates of giardiasis acquisition than reported during outbreaks of waterborne giardiasis.
  • (20) The influence of acetone extract vapours of pepper, poplar buds, linden and aspen was tested.

Birch


Definition:

  • (n.) A tree of several species, constituting the genus Betula; as, the white or common birch (B. alba) (also called silver birch and lady birch); the dwarf birch (B. glandulosa); the paper or canoe birch (B. papyracea); the yellow birch (B. lutea); the black or cherry birch (B. lenta).
  • (n.) The wood or timber of the birch.
  • (n.) A birch twig or birch twigs, used for flogging.
  • (n.) A birch-bark canoe.
  • (a.) Of or pertaining to the birch; birchen.
  • (v. t.) To whip with a birch rod or twig; to flog.

Example Sentences:

  • (1) Sixty patients with seasonal allergic rhinitis due to birch pollen were enrolled in an open, randomized parallel group study.
  • (2) If the majority of relevant tree pollens are to be included in a diagnostic or therapeutic programme in Western Sweden it should contain birch, alder, hazel, beech and bog-myrtle allergens.
  • (3) Bet v I, the major birch pollen allergen, could be extracted easily from pollen, and in low amounts from callus and leaves.
  • (4) In the case of initially negative tests with positive second and third SPTs the incidence ranged between 3.2% (cat dander) and 4.3% (birch pollen) per year.
  • (5) The sera that did not detect the 15 kD bands in celery failed to react with both the 15 kD mugwort component and the 14 and 16 kD birch components.
  • (6) In previous experiments it was found that birch, beech, alder, hazel and oak are pollens with importance in pathogenesis of early pollinosis in our region of Central Europe.
  • (7) We conclude that in children with birch pollinosis oral immunotherapy with high doses of a biologically potent preparation in enteric-coated capsules is effective, easy to perform, economic and safe.
  • (8) The patients selected for study were subjects with a combined inhalant allergy to birch pollen and an oral allergy to apple fruit.
  • (9) In the same area, the birch pollen load was 2.8 times higher, which caused specific IgE in 10.5% as against 3.5% of the other group (P less than 0.01) as well as positive skin prick test in 9.0% as against 3.5% (P less than 0.05).
  • (10) Moreover, a major pollen allergen in birch (BetvI) has a 44% identity with PvPR1 proteins.
  • (11) It appears that screening for an IgE-mediated allergy can be performed with a limited number of skin tests (rye grass, timothy, birch, house dust mite and cat).
  • (12) RAST investigations on the sera of 27 patients suffering from celery allergy showed specific IgE to mugwort and birch in 15 cases; sensitization to mugwort or birch alone only occurred in 5 and 7 cases, respectively.
  • (13) Nine patients with strictly seasonal allergic rhinitis caused by birch pollen and five healthy nonatopic control subjects participated in the present study, which started 1 wk before the birch pollen season and continued throughout the entire pollen season.
  • (14) Of all positive RAST reactions observed, 74% were against the following allergens: horse and cat epithelium, birch and timothy pollen, and house dust.
  • (15) Thus 98% of atopic patients with seasonal allergic rhinitis were detected by an allergen panel consisting of timothy, birch and mugwort.
  • (16) The sera selected were positive in the RAST for both birch pollen and fruits.
  • (17) Cross-incubations: birch pollen incubated with antibodies against hazel (Ab-CA), or alder (Ab-AI), showed various intensities of gold labelling for each of the three species.
  • (18) We have studied the influence of substance P (SP) on the proliferative response of concanavalin A (ConA)-activated peripheral blood lymphocytes from 16 birch pollen-allergic patients, sampled before and during the pollen season, and from 15 normal individuals.
  • (19) The beavers have felled most of the bankside birch, sycamore and other trees they like to eat and use for their dams.
  • (20) Nine asthmatic patients with an allergy to birch or timothy underwent bronchial allergen provocations on three different trial days, with intervals of 2 to 5 wk.

Words possibly related to "aspen"

Words possibly related to "birch"