Walls, of course, are sometimes manifested not
as physical barriers, but as institutional ones.
Many of these risks existed well before the Internet; but measures to protect children from the corresponding offline threats (such
as physical barriers, age - related norms that prevent access to certain spaces, and adult supervision) are difficult to impose and enforce in a virtual space.
In other words, if we think of state borders
as physical barriers, do we also irrationally imagine that these borders protect us in some way?
By affecting both feeding and breeding behavior, the researchers say, the changes in call frequency can create new species as effectively
as any physical barrier.
The gut lining is the first point of contact for most potentially toxic substances (as most are consumed orally — medications, food, drink etc), and acts
as a physical barrier to these compounds.
Remember, normal gut flora acts
as a physical barrier to foreign flora; they are stubborn tenants, old ornery relics of the neighborhood who refuse to leave and who dissuade pathogenic flora from settling in.
Your skin acts
as a physical barrier to foreign invaders, making it harder for them to gain access to your body.
As the largest organ of the body, the skin acts
as a physical barrier against viruses, bacteria and harmful substances.
Access control systems consist of three key components known
as the physical barrier, the identification device and the door controller software.
Water acts
as a physical barrier to this gas, preventing methane from seeping back into your home.
It modulates the amount of solar energy absorbed during the continuous daylight of summer and it acts
as a physical barrier limiting the interaction of the ocean and the atmosphere.
Not exact matches
As part of a set of tools to combat illegal immigration, however,
physical barriers could help.
«
As the government of Mexico has always maintained, our country will not pay for, under any circumstances... a wall or
physical barrier built on US territory along the Mexican border.»
A woman being beaten by a boyfriend / spouse is totally different; she hasn't chosen to be abused, and is probably facing emotionalpsychological
barriers to leaving,
as well
as the
physical abuse.
Physical barriers have also been used throughout history, such
as condoms made from animal's intestinal tracts or stomach, halved and hollowed out citrus fruits
as diaphragms (the citric acid also acts
as spermicide), and melting suppositories designed to form an impenetrable coating over the cervix.
[15] Original nakedness shows full awareness of the original meaning of the body
as the revelation of the person; original nakedness shows a total trust and absence of
barriers before the others; it shows the total unity between the
physical and the spiritual.
He began 45 matches in all competitions, establishing himself
as one of the first names on Conte's team sheet; Pogba scored seven goals and provided seven assists in the league, with his heady blend of technical and
physical gifts coming to the fore
as Conte's relentless Juventus side broke the 100 - point
barrier to win the league by a sizeable margin of 17 points.
This poses a risk of contaminating the milk
as there is no
physical barrier between the inside of the pump and breast milk.
Recognise that fathers» individual circumstances, such
as the
physical distance of non-resident fathers from their children, can create financial
as well
as time
barriers and that many isolated low income fathers lack basic necessities.
While the pregnant women cited
physical limitations
as barriers to exercise, postpartum women tended to plead a lack of time plus exhaustion.
When a causative agent penetrates a
physical barrier, such
as the skin, and is absorbed into the blood system, the immune system activates all its defenses by struggling with pathological elements.
Assessing his claims, Andrew Scott Crines argues that language is a problem, but that it would be a mistake to stop there, with the
physical shape of the House of Commons, and the voting system in particular acting
as a
barrier to public engagement.
As written, the bill says that to sue you have to first contact the business, give the business two months just to respond, and another four months to show substantial progress toward changing a
physical barrier.
«Once a pathogen establishes itself within a biofilm, it can be difficult to eradicate
as biofilms provide a
physical barrier against the host immune response, can be impermeable to antibiotics and act
as a reservoir for persistent infection,» Scott said.
Like other habitat specialists, Sungazers appear to be restricted to this area not only because of
physical barriers such
as large rivers and mountains, but also because of the unique climactic niche in this region.
«Negative impacts could be lessened by limiting the extent of
physical barriers and associated roads, designing
barriers to permit animal passage and substituting less biologically harmful methods, such
as electronic sensors, for
physical barriers,» the letter states.
The EAAA program consists of four three - hour sessions which provides information, skills, and practice to assess risk from acquaintances, to overcome emotional
barriers in acknowledging danger, and to engage in effective verbal and
physical self - defence,
as well
as helping them explore their own sexual values, desires, boundaries and rights.
The IOM report recommends, in the short - term, that doctors and patients should be better informed about pain and currently available treatments;
barriers to accessing pharmaceuticals should be removed; and alternative treatments that have demonstrated some efficacy, such
as physical therapy, should be made more available and covered by insurance.
They are hard to eradicate because they secrete a matrix made of sugar molecules which form a kind of armour that acts
as a
physical and chemical
barrier, preventing antibiotics from reaching their target sites within microbes.
Any discussion of what happens when an object breaks the sound
barrier must begin with the
physical description of sound
as a wave with a finite propagation speed.
Rather, he said, the study was designed to ask the more fundamental question of whether a
physical barrier of cells would indeed act
as a
barrier to prevent damage to cells on the other side.
With only water and no
physical barrier, such
as a combination of clay, rock or soil
barriers as at all USA sites
as well
as Spanish and other European sites, an extensive root network penetrating into the tailings themselves is assured at each site.
The failure to provide an
physical barrier between the tailings and water, solids, or other material leaves the tailings vulnerable to extensive penetration of the tailings by plant roots and animals
as well
as disturbance by freeze and thaw and ice formation and break up impacts.
However, the exact cytoskeletal strategy that the cell uses to cross the
physical BM
barrier depends on the physiological context and the
physical environment,
as observed by examining actin structures in invading cancer and immune cells, and in cells that invade during developmental processes such
as angiogenesis and anchor cell invasion in Caenorhabditis elegans.
They are sometimes known
as the sentinel cells of the immune system, constantly patrolling the borders of the body that form the
physical barriers to the outside world — the skin and the inner linings of the lungs, nose, stomach and gut.
Being able to push through this
physical barrier has helped me identify obstacles that come up in life,
as they often appear in the form of challenges and feel uncomfortable.
And since training plateaus are usually the result of mental
barriers rather than
physical limitations, strongman training can be used
as a vacation from your traditional workouts that will overdose your entire musculature and help you overcome any weakness, both in the mental and
physical realm.
Second, they transfer greater stress to the knee joints
as a result of both the altered position and the
physical barrier at the back of the knees.
When experiencing gut problems, the intestinal
barrier is often damaged, causing the wrong substances and bacteria to «leak» into your body, your immune system to overreact, your energy distribution to go nuts, your hormone levels to bounce around and placing
physical stress on your body, which leads to mental stress
as well.
As the largest organ in your body, your skin acts as a barrier between the outside world and your physical sel
As the largest organ in your body, your skin acts
as a barrier between the outside world and your physical sel
as a
barrier between the outside world and your
physical self.
His films tend to focus on men who overcome massive logistical odds to envisage their fantasies, men such
as the charismatic wire - walker Philippe Petit who danced between the Twin Towers in Man on Wire, or Stephen Hawking, whose
physical impediments proved no
barrier to intellectual path finding in The Theory of Everything.
Over two thirds (68 per cent) think the use of VR technology to overcome financial or
physical barriers that some students face is desirable and
as well
as these uses, three in four teachers (74 per cent) stated that there will be a positive effect on the design and creativity skills of students.
Physical security measures such
as security fencing combined with gates,
barriers or bollards will help deter any unauthorised visitors and will make accessing the site more difficult.
Online education doesn't have the same need for
physical space and accessibility, which means the
barrier to entry is much reduced and that —
as any economy student knows — means there will be more competition on price and quality.
Combining
physical security with other measures such
as intruder alarms and CCTV will provide even tougher protection, for if a trespasser attempts to breach the
barrier an alarm could be triggered to alert a monitoring centre of the intrusion.
For large scale school sites the application of a capability like a «virtual tripwire» may be a cost effective approach to keep trespassers out of designated areas within the grounds, where it is simply not practical to have
physical barriers such
as walls or fencing in place.
But Sport England's groundbreaking research, which underpins This Girl Can, has identified fear of judgement by others
as a significant and unifying
barrier to girls and women taking part in
physical activity and sport.
There may also be a
physical barrier between students in the rear and portions of the blackboard, such
as a tall student in a front desk.»
The first is the
physical barrier such
as a door, turnstile or speedgate.
This argument resonates with my own classroom experience, in which the constraints of our
physical building and our unyielding, compartmentalized schedule daily act
as barriers to teaching and learning.