It has eight long grooves containing up to five beads in each and eight shorter grooves having either one or no beads in each.

The Late Roman hand abacus shown here as a reconstruction contains seven longer and seven shorter grooves used for whole number counting, the former having up to four beads in each, and the latter having just one.

The beads in the upper shorter grooves denote fives — five units, five tens, etc., essentially in a bi-quinary coded decimal place value system.

While the magnetic capture equipment may be cost-prohibitive, the rapid completion of immunoprecipitations using magnetic beads may be a financially beneficial approach when grants are due, because a 30 minute protocol with magnetic beads compared to overnight incubation at 4 ° C with agarose beads may result in more data generated in a shorter length of time.

Today, abaci are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal.

Instead of running on wires as in the Chinese and Japanese models, the beads of Roman model run in grooves, presumably making arithmetic calculations much slower.

Computations are made by means of beads which would probably have been slid up and down the grooves to indicate the value of each column.

Instead of running on wires as in the Chinese and Japanese models, the beads of Roman model run in grooves, presumably making arithmetic calculations much slower.

In each place value, the Chinese abacus uses four or five beads to represent units, which are subitized, and one or two separate beads, which symbolize fives.

European abacuses use ten beads in each register, but usually separate them into fives by color.

With some exceptions, such as medical alert bracelets or military dog tags, jewellery normally differs from other items of personal adornment in that it has no other purpose than to look appealing, but humans have been producing and wearing it for a long time – with 100, 000-year-old beads made from Nassarius shells thought to be the oldest known jewellery.

* 1836 – Francis Baily observes " Baily's beads " during an annular eclipse.

South Sea and Tahitian pearl oysters, also known as Pinctada maxima and Pinctada margaritifera, which survive the subsequent surgery to remove the finished pearl, are often implanted with a new, larger beads as part of the same procedure and then returned to the water for another 2 – 3 years of growth.

* May 15 – Francis Baily, during an eclipse of the sun, observes the phenomenon named after him as Baily's beads.

Francis Baily ( 28 April 1774 – 30 August 1844 ) was an English astronomer, most famous for his observations of ' Baily's beads ' during an eclipse of the Sun.

* Purple – ( small beads ) Special Projects ( formerly large purple beads were awarded with the completion of each Torch Bearer received )

A2M – A2OGM – abasiophilia – ABC strategy – aberration – abortifacient – abortion – abortion pill – abruptio placentae – abstinence – abstinence movement – abstinence, be faithful, use a condom – abstinence-only sex education – abstinence-plus sex education – acault – acceleration of physical development – accessory breast – acmegenesis – acomoclitism – acquaintance rape – acrosomal reaction – acrosome – acrotomophilia – act of union – ACTH – acupressure – Adam's apple – addiction – adelphic polyandry – adelphogamy – adipophilia – adolescence – adolescent gynecomastia – adrenal cortex – adrenal gland – adrenocortical hormone – adrenogenital syndrome – adult service provider – adultery – adulthood – affinity ( canon law ) – afterbirth – agalmatophilia – agape – age disparity in sexual relationships – age of consent – aging and sexuality – agonophilia – agony aunt – AIDS – AIDS in Africa – AIDS in Asia – AIDS in India – AIDS in Latin America – AIDS in the United States – AIDS test – Alberta Eugenics Board – albutophilia – algolagnia – algophilia – alienation of affections – alimony – alley catting – alliance theory – allure – altocalciphilia – amateur pornography – ambiguous genitalia – ambisexual – ambisexuality – amelotasis – amelotatist – amenorrhea – amenorrhoea – American College of Obstetricians and Gynecologists – amoebiasis – amor lesbicus – ampallang piercing – ampulla of ductus deferens – ampulla of uterine tube – amputation fetish – amputee fetishism – amputeeism – amputees – amygdala – anabolic steroid – anaclitism – anal beads – anal bleaching – anal cancer – anal contraction – anal insert – anal intercourse – anal jewelry – anal masturbation – anal orgasm – anal penetration – anal sex – anal sphincter – anal stage – anal stretching – anal wart – anal wink – analinctus – analingus – analism – Ananga Ranga – anasteemaphilia – anasyrma – anatomy – Ancient Roman marriage – Androcur – androgen – androgen ablation – androgen antagonist – androgen insensitivity syndrome – androgen replacement therapy – androgen suppression – androgen-induced hermaphroditism – androgyne – androgynophilia – androgynous – androgyny – androidism – andrology – andromania – Andromeda – andromimesis – andromimetic – andromimetophilia – andropause – androphilia – androphobia – androstenedione – androstenone – anejaculation – anerotic – anesthesia fetishism – anhedonia – anililagnia – anilinctus – anilingus – anima – animal marriage – animal transformation fantasy – animus – anisonogamist – Annual Review of Sex Research – annulment – anocutaneous reflex – anonymous sex – anorexia nervosa – anorgasmia – anorgasmic – anovulation – anovulatory – antaphrodisiac – anterior commissure of labia – anthropology – anthropomorphic cartoons – anthropomorphism – anthropophagy – Anthropophyteia – anti-marriage law ( disambiguation ) – anti-miscegenation law – anti-pornography movement – anti-prostitution movement – antiandrogen – anticipatory sororate – anus – apadravya piercing – apartment wrestling – aphallia – aphrodisiac – apodysophilia – apophasis – aposthia – apotemnophilia – appendix of the epididymis – appendix testis – aquaphilia – Arab marriage customs – arab strap ( sexual device ) – Archives of Sexual Behavior – Areoi – areola – areola mammae – arranged marriage – Ars Amatoria – artificial birth control – artificial insemination – artificial insemination by donor – artificial vagina – asceticism – asexual – asexuality – asian fetish – aspermatism – aspermia – asphyxiaphilia – asphyxiophilia – ass to mouth – assortative mating – Astroglide – atonement – attachment disorder – attachment insecurity – attraction to disability – atypical gender role – auctions – auspicious wedding date – autagonistophilia – autassassinophilia – autoabasiophilia – autoagonistophilia – autoassassinophilia – autoerotic – autoerotic asphyxia – autoerotic death – autoerotic fatalities – autoerotica – autoeroticism – autofellatio – autoflagellation – autogynephilia – autogynephilic – automasochism – automonosexualism – autonepiophilia – autonomic nervous system – autopederasty – autophilia – autosadism – autosexuality – aversion therapy – avisodomy – avunculocal residence – axillary intercourse – axillism – axon – azoospermia –

There are two beads on each rod in the upper deck and five beads each in the bottom for both decimal and hexadecimal computation.

Glass beads have been in use for almost five centuries in the Americas.

The current understanding is that repeating nucleosomes with intervening " linker " DNA form a 10-nm-fiber, described as " beads on a string ", and have a packing ratio of about five to ten.

Later tastes favoured S-shaped hooks of gold wire, on which up to five beads of different colours and materials could be strung.

A tomb was excavated in Structure 4, it consisted of a complete skeleton with associated offerings that included two tripod earthenware bowls, one with duck effigies, a tripod incense burner, a flint knife, nine obsidian knives, five jade beads and some fragments of gold.

The prayer figures prominently in non-liturgical devotions, notably the rosary, where " Glory be " is recited before the large beads ( on which an " Our Father " is prayed ) which separate the five sets of ten smaller beads, called decades, upon each of which a Hail Mary is prayed.

You, at least, strive to console me, and so I announce: I promise to assist at the hour of death with the grace necessary for salvation all those who, with the intention of making reparation to me, will, on the first Saturday of five consecutive months, go to confession, receive Holy Communion, say five decades of the beads, and keep me company for fifteen minutes while meditating on the fifteen mysteries of the Rosary.

The soroban is composed of an odd number of columns or rods, each having beads: one bead having a value of five ( called a heavenly bead ) and four beads each having a value of one ( called earth beads ).

Because the soroban developed through a reduction in the number of beads from seven, to six, and then to the present five, these methods can be used on the suanpan as well as on soroban produced before the 1930s, which have five " earth " beads and one " heavenly " bead.

Primary school students often bring two soroban to class, one with the modern configuration and the one having the older configuration of one heavenly bead and five earth beads.

When the suanpan first became native to Japan as the soroban ( with its beads modified for ease of use ), it had two heavenly beads and five earth beads.

Small solid beads, insoluble yet porous, are treated with functional units (' linkers ') on which peptide chains can be built.

Analysis of the measured weight of the different types of gold artеfacts ( beads, appliqués, rings, bracelets, pectorals and diadems ) revealed a weight system with at least two minimal weight units of ~ 0. 14 and ~ 0. 40 g among both mineral and gold beads ( Kostov, 2004 ; 2007 ).

The introduction of European metal tools revolutionized the production of wampum ; by the mid-seventeenth century production numbered in the tens of millions of beads.

In water and oil there are a variety of inexpensive industrial beads that can be used, such as silver-coated hollow glass spheres manufactured to be conductive powders ( tens of micrometres diameter range ) or other beads used as reflectors and texturing agents in paints and coatings.

Panzhihua Sutie Qi, also odd in it but each bud, mid-flowering, flowering female plants can be two years time, this can not be said it was not a strange world every year 3 to 6 months, I saw Su Tielin into tens of thousands of yellow buds dry contests, and plant such as the Buddha holding beads, forest floor like carpet color since 1990, named Cycas Panzhihua to organize Cycas watch the annual trade fair-cum-materials, Panzhihua cycad name has spread like wildfire, famous the world over.

During the late 1960s and early 1970s, these comics and magazines were available for purchase in head shops along with items like beads, incense, cigarette papers, tie-dye clothing, DayGlo posters, books, etc.

Although any regular paraffin or beeswax candle can be used, a lampáda is usually a large, white candle or, in the case of children, a multicolored candle decorated with ribbons, beads, toys, dried flowers etc.

It has earned a reputation for its fine silk and notable silver beads & ornaments such as necklaces, belts, rings, watches and bracelets etc.

The public may place any small item on the conveyor belt, for example keys, ID cards, wallets, worry beads, condoms, notepads, phones, coins, dolls, credit cards, etc.

Jewelry is often made in combination of both the knots and various beads ( glass, wooden, etc.

Several of the burials were contained in boats up to 9 metres long, and were richly furnished with assemblages of weapons ( including fine swords ), helmets, cauldrons and chains, beads, shields, tools, etc.

Chaniya Cholis are decorated with beads, shells, mirrors, stars, and embroidery work, mati, etc.

This is in fact somewhat similar to the function served by the copper wool which is packed into distilling columns used in fractional distillation set-ups ; however, a variety of other materials might also be used to achieve the required increase in surface area within a column, including but not limited to glass beads / pieces, silica gel, steel wool, bits of ceramic, etc.

This is because sepharose beads must be concentrated at the bottom of the tube by centrifugation and the supernatant removed after each incubation, wash, etc.

The horn's are adorned with girls ' beads and kerchiefs, ribbons, multi-coloured tassles, mirrors, ivy ( Hedera helix, a plant that is also considered sacred to Dionysos, used in thyrsus staves ), basil ( Ocimum basilicum, a symbol of, inter alia, love in Italy and Romania ), natural or artificial flowers etc.

We tied beads etc.