Category Examples of semi permeable objects

Examples of semi permeable objects

Related to semipermeable: semipermeable membrane. Partially permeable. Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes. Switch to new thesaurus. Mentioned in? References in periodicals archive? Some important questions concerning the relationship between science and religion.

Primary sludge was held in vials capped with semipermeable membranes that allowed liquid and gas to flow through the vials. Environmental: in-situ reduction of fibrous sludge in a pulp mill aerated stabilization basin. Some tubes have an open lumen, and some have a semipermeable membrane. Tympanostomy tubes: an overview. Tests discerned that the blob had a semipermeable membrane across which diffused chemicals that reacted inside the cell. Strange brew brings inorganic chemicals to life.

In a prospective study of smallpox vaccine recipients whose vaccination sites were covered with a waterproof gauze-impregnated transparent bandage and an outer waterproof semipermeable bandage, bandages were changed and the vaccination site was evaluated every days until the vaccination site was healed mean of 9.

Clinical capsules. Time-integrated chemical mixture monitoring monitoring in an aquatic ecosystem with semipermeable membrane devices and with Dreissena polymorpha. In the health care setting, gauze dressing and a layer of semipermeable dressing over the vaccination site is recommended until the scab falls off, to prevent transmission to susceptible patients. ACIP fine-tunes program for smallpox vaccination. Includes Vaccination Site Care.

Narcotics and explosives easily pass through a semipermeable membrane, but inorganic materials and water vapor cannot. Americas' Security Expo Product Showcase. Most implants are single-lumen silicone prostheses that have a semipermeable outer envelope made of a silicone elastomer and filled with silicone gel.

MR evaluation of breast implants. Student Scope. Writing Professionally. The Designer Workplace. Dictionary browser? Full browser?Add semipermeable to one of your lists below, or create a new one. Definitions Clear explanations of natural written and spoken English. Click on the arrows to change the translation direction. Follow us. Choose a dictionary. Clear explanations of natural written and spoken English. Word Lists.

Choose your language. My word lists. Tell us about this example sentence:. This is a good example of how the word is used. The word in the example sentence does not match the entry word. The sentence contains offensive content. Cancel Submit. Your feedback will be reviewed. Something, for example a cell membranethat is semipermeable allows some liquids and gases to pass through it, but not others.

Holes, hollows and dips. Examples of semipermeable.

Cell membrane permeability - Animated membrane physiology

Occlusive dressings come as semipermeable films, hydrocolloids, hydrogels, foams, alginates, and powders, pastes, beads and gels. From Cambridge English Corpus. These examples are from the Cambridge English Corpus and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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Massive callose accumulation is not a general feature of semipermeable layers in seed-covering structures. These are semipermeable membranes manufactured principally for use in water purification or desalination systems. From Wikipedia. Diffusion of crude natural gas through special semipermeable membranes and other barriers is another method to recover and purify helium.

Blood flows by one side of a semi-permeable membrane, and a dialysate, or special dialysis fluid, flows by the opposite side. Another example of a semipermeable membrane is dialysis tubing.

examples of semi permeable objects

A semipermeable membrane is necessary because it allows water through its membrane while preventing solutes from moving through its membrane. One theoretical means would be through an ideal semi-permeable membrane.

They surround cells and organelles with a semi-permeable barrier that prevents free flow of substances. Reverse osmosis is theoretically the most thorough method of large scale water purification available, although perfect semi-permeable membranes are difficult to create.

It is similar to osmosis in that they both involve the semipermeable nature of the cell membrane. Ideally, a wall may be declared adiabatic, diathermal, impermeable, permeable, or semi-permeable.Add semipermeable to one of your lists below, or create a new one.

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examples of semi permeable objects

Choose a dictionary. Clear explanations of natural written and spoken English. Word Lists. Choose your language.

My word lists. Tell us about this example sentence:. This is a good example of how the word is used. The word in the example sentence does not match the entry word. The sentence contains offensive content. Cancel Submit.

Your feedback will be reviewed. Something, for example a cell membranethat is semipermeable allows some liquids and gases to pass through it, but not others. Holes, hollows and dips. Examples of semipermeable.

Occlusive dressings come as semipermeable films, hydrocolloids, hydrogels, foams, alginates, and powders, pastes, beads and gels. From Cambridge English Corpus. These examples are from the Cambridge English Corpus and from sources on the web.

examples of semi permeable objects

Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Massive callose accumulation is not a general feature of semipermeable layers in seed-covering structures.

These are semipermeable membranes manufactured principally for use in water purification or desalination systems. From Wikipedia. Diffusion of crude natural gas through special semipermeable membranes and other barriers is another method to recover and purify helium.

Blood flows by one side of a semi-permeable membrane, and a dialysate, or special dialysis fluid, flows by the opposite side. Another example of a semipermeable membrane is dialysis tubing. A semipermeable membrane is necessary because it allows water through its membrane while preventing solutes from moving through its membrane.

One theoretical means would be through an ideal semi-permeable membrane.For example, a coffee filter allows water through, but not the coffee grounds. Cell membranes are also selectively permeable. Some other things are:. Got this from Wikipedia - hope it helps! A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a differentially permeable membrane, is a membrane which will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion".

The rate of passage depends on the pressure, concentration and temperature of the molecules or solutes on either side, as well as the permeability of the membrane to each solute. Depending on the membrane and the solute, permeability may depend on solute size, solubility, properties, or chemistry.

An example of a semi-permeable membrane is a lipid bilayer, on which is based the plasma membrane that surrounds all biological cells. Many natural and synthetic materials thicker than a membrane are also semipermeable. An example of this is the thin film on the inside of an egg.

Coffee Filter is a selectively permeable material because it only allows the water to pass through and not the grounds. Answer Save.

Selective Permeability Definition and Examples

Alexa Lv 5. A selectively permeable substance is something that lets some things in, but not others. Some other things are: sponges the ears of some people selective hearing- ha! Selective Permeability Examples. Selectively Permeable Membrane. Monika Lv 4. How do you think about the answers? You can sign in to vote the answer. Coffee Filter is a selectively permeable material because it only allows the water to pass through and not the grounds A water filter only allows the water to pass through and not the unhealthy substances And breathable fabrics allow airflow to pass through but not bugs or leaves or sticks.

Shirley Lv 4. Still have questions? Get your answers by asking now.This website uses cookies to ensure you get the best experience. Learn more Got it! Jacquerod and Perrot have found that quartz-glass is freely permeable to helium below a red-heat Comet. On the upheaval of such rocks above the sea-level, fresh water from rainfall began to flow over their exposed surfaces, and, so far as the strata were permeableto lie in their interstices upon the salt water.

The crust of the earth, so far as it is permeable and above the sea-level, receives from rainfall its supply of fresh water. The conception of a semi- permeable membrane, permeable to the solvent only, was used by van't Hoff as a means of applying the principles of thermodynamics to the theory of solution.

As sodium chloride is one of the most permeable of crystalloids it seems strange that damage to the renal tissue should impede its excretion. Let us suppose that we possess a partition such as that described above, which is permeable to the solvent but not to the solute when dissolved in it, and let us connect the solution and solvent of fig.

The famous Venetian pozzi, or wells for storing rain-water from the roofs and streets, consisted of a closed basin with a water-tight stratum of clay at the bottom, upon which a slab of stone was laid; a brick shaft of radiating bricks laid in a permeable jointing material of clay and sand was then built. If the pores of the water face are thus rendered extremely fine, the surface water, carrying more or less fine detritus and organic matter, will soon close them entirely and assist in making that face the least permeable portion of the structure.

The actual coal measure strata, consisting mainly of shales and clays, are generally impervious to water, but when strata of a permeable character are sunk through, such as the magnesian limestone of the north of England, the Permian sandstones of the central counties, or the chalk and greensand in the north of France and Westphalia, special methods are required in order to pass the water-bearing beds, and to protect the shaft and workings from the influx of water subsequently.

As the drainage by cuniculi removed the moisture in the subsoil, so the drainage of the lakes by emissaria, outlet channels at a low level, prevented the permeable strata below the tufa from becoming impregnated with moisture which they would otherwise have derived from the lakes of the Alban Hills. Most of the streams maintain a good flow of water in the driest seasons, and in case of heavy rains many of them " underflow " the adjacent bottom lands, saturating the permeable substratum of the country with the surplus water, which in time drains out and feeds the subsiding streams.

This feature is particularly true of the Saline, Solomon and Smoky Hill rivers. The Upper and Middle Chalk are permeable almost through their mass. The condition, therefore, that there shall be no tension is important as an element of design; but when we come to construction, we must be careful also that no part of the wall shall be less permeable than the water face.

Although such uniformly permeable sand is rarely met with in great masses, it is useful to consider in greater detail so simple a case. The positions of springs are determined by permeable depressions in the surface of the ground below the general level of saturation, and frequently also by the holding up of that level locally by comparatively im permeable strata, sometimes combined with a fault or a synclinal fold of the strata, forming the more permeable portion into an underground basin or channel lying within comparatively im permeable boundaries.

For similar reasons care must be taken to ensure that the structure of the water face of the dam shall be the least permeable of any part. But it is never advisable to rely upon this action, where, as in the case of a reservoir for water supply, large portions of naturally permeable bottom are liable to be uncovered and exposed to the weather.

They may be quite permeablebut to prevent undue settlement and distortion they must, like the puddle, be well consolidated. On permeable soils, especially those of the terrace lands along the valleys, the soluble salts commonly known as alkali were gradually leached out and carried by the percolating waters towards the lower lands, where, reaching the surface, the alkali was left as a glistening crust or as pools of inky blackness.

The subsoil too is differently formed: the surface consists of very absorbent materials, then comes a stratum of less permeable tufa or peperino sometimes clay is presentand below that again more permeable materials. At the lower lips or at the most permeable parts of these basins or channels such rainfall as does not flow over the surface, or is not evaporated or absorbed by vegetation, and does not, while still below ground reach the level of the sea, issues as springs, and is the cause of the continued flow of rivers and streams during prolonged droughts.

With the exception of the Red Marls forming the upper part of the Keuper, most of the New Red Sandstone is permeableand some parts contain, when saturated, even more water than solid chalk; but, just as in the case of the chalk, a well or borehole in the sandstone yields very little water unless it strikes a fissure; hence, in New Red Sandstone, also, it is a common thing to form underground chambers or adits in search of additional fissures, and sometimes to sink many vertical boreholes with the same object in view.

The formation is probably more or less permeable throughout; it consists largely of loose sand and takes the general south-easterly dip of British strata. Thus natural or artificial surfaces which are completely permeable to rainfall may become almost im permeable when protected by surface water from drought and frost, and from earth-worms, vegetation and artificial disturbance.For example, a coffee filter allows water through, but not the coffee grounds.

Cell membranes are also selectively permeable. Some other things are:. Got this from Wikipedia - hope it helps! A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a differentially permeable membrane, is a membrane which will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion".

The rate of passage depends on the pressure, concentration and temperature of the molecules or solutes on either side, as well as the permeability of the membrane to each solute. Depending on the membrane and the solute, permeability may depend on solute size, solubility, properties, or chemistry.

An example of a semi-permeable membrane is a lipid bilayer, on which is based the plasma membrane that surrounds all biological cells. Many natural and synthetic materials thicker than a membrane are also semipermeable. An example of this is the thin film on the inside of an egg.

Coffee Filter is a selectively permeable material because it only allows the water to pass through and not the grounds. Answer Save. Alexa Lv 5. A selectively permeable substance is something that lets some things in, but not others. Some other things are: sponges the ears of some people selective hearing- ha! Selective Permeability Examples. Selectively Permeable Membrane. Monika Lv 4. What do you think of the answers? You can sign in to give your opinion on the answer.

Coffee Filter is a selectively permeable material because it only allows the water to pass through and not the grounds A water filter only allows the water to pass through and not the unhealthy substances And breathable fabrics allow airflow to pass through but not bugs or leaves or sticks.

Shirley Lv 4. Still have questions? Get answers by asking now.Which detail from Heart of Darkness shows the ineffectiveness of the colonizers. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Hottest Questions. Previously Viewed.

Unanswered Questions. What is an example of a semi permeable object? Wiki User November 09, AM. A Waterproof Jacket. It allows sweat and heat from the body to escape from the inside, but reflects water vapors from the outside.

Animal cell membranes are a semi-permeable membrane. Asked in Cell Biology cytology Example of semi-permeable membrane? Cell walls are semi-permeable membranes. Asked in Genetics, Animal Life Example of semi-permeable things? Plasma membrane or cell membrane is a semi-permeable thing. It is the reason due to which this membrane is called semi-permeable membrane. Asked in Genetics Is plant cell will semi permeable or fully permeable?

It is semi permeable [ the cell membrane].

examples of semi permeable objects

Asked in Biology What does it mean to be selectively permeable semi-permeable? Permeable mean that it is full time. Semi-permeable is when it is only part of the time. Asked in Biology, Genetics What is an example of a selectively permeable? Asked in Animal Life, Genetics Type of tubing that is semi-permeable? The type of tubing that is semi-permeable is that tubing used for dialysis.

Selective Permeability Definition and Examples

It needs to be semi-permeable to switch or remove molecules for different types of diffusion. Asked in Genetics What is an example of a semi permeable membrane? An example of a semi permeable membrane is Gore Tex fabric, which allows air in, but not water.


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