Sentences with phrase «as physical barriers»

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 selAs the largest organ in your body, your skin acts as a barrier between the outside world and your physical selas 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.
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