英语词汇“nonpolar”造句的方法、技巧、例句及翻译-英语例句辞典

There are two types of covalent bonds: polar and nonpolar. Concepts of Biology 2013-04-25T00:00:00Z

We can use an electrically charged object to attract polar molecules, but nonpolar molecules are not attracted. Chemistry 2019-02-14T00:00:00Z

Electrons are equally shared in nonpolar covalent bonds. Biology for AP Courses 2022-06-09T00:00:00Z

Water molecules also repel molecules with nonpolar covalent bonds, like fats, lipids, and oils. Anatomy and Physiology 2013-06-19T00:00:00Z

Anything oily works, and any nonpolar solvent — meaning the electrons don’t create a positive and negative charge at the ends — can do the trick, Britcher explains. How open spots at a Bellevue alternative school reflect a broken youth mental health system 2022-03-26T04:00:00Z

This association is nonpolar because the electrons will be equally distributed between each oxygen atom. Concepts of Biology 2013-04-25T00:00:00Z

Classify each of the following molecules as polar or nonpolar. Chemistry 2019-02-14T00:00:00Z

When protein folding takes place, the hydrophobic R groups of nonpolar amino acids lie in the interior of the protein, whereas the hydrophilic R groups lie on the outside. Biology for AP Courses 2022-06-09T00:00:00Z

You can demonstrate this with a simple kitchen experiment: pour a teaspoon of vegetable oil, a compound formed by nonpolar covalent bonds, into a glass of water. Anatomy and Physiology 2013-06-19T00:00:00Z

In the new analysis, however, scientists detected a drop in the amount of ozone in recent years at lower levels of the stratosphere over the Earth’s nonpolar regions, where most of the population lives. Ozone Layer May Be Thinning Over Earth’s Heavily Populated Areas 2018-02-06T05:00:00Z

Figure 2.8 As this macroscopic image of oil and water show, oil is a nonpolar compound and, hence, will not dissolve in water. Concepts of Biology 2013-04-25T00:00:00Z

For the trans isomer, each ligand is directly across from an identical ligand, so the bond dipoles cancel out, and the molecule is nonpolar. Chemistry 2019-02-14T00:00:00Z

Passage through the channel allows polar compounds to avoid the nonpolar central layer of the plasma membrane that would otherwise slow or prevent their entry into the cell. Biology for AP Courses 2022-06-09T00:00:00Z

Instead of instantly dissolving in the water, the oil forms a distinct bead because the polar water molecules repel the nonpolar oil. Anatomy and Physiology 2013-06-19T00:00:00Z

Oil molecules, in contrast, are nonpolar and hydrophobic. Making Liquids Go Bipolar 2012-02-10T14:45:02.257Z

Lipids are a class of macromolecules that are nonpolar and hydrophobic in nature. Concepts of Biology 2013-04-25T00:00:00Z

Hexane is a nonpolar liquid with a dipole moment of zero and, therefore, does not significantly interact with the ions of the NaCl crystals. Chemistry 2019-02-14T00:00:00Z

These elements share the electrons equally among the carbons and the hydrogen atoms, creating a nonpolar covalent molecule. Biology for AP Courses 2022-06-09T00:00:00Z

The result is a molecule with polar and nonpolar regions. Anatomy and Physiology 2013-06-19T00:00:00Z

In general, stranding reports suggest that goosebeaked whales are sparsely but widely distributed in nonpolar latitudes. Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification

When protein folding takes place, the hydrophobic R groups of nonpolar amino acids lay in the interior of the protein, whereas the hydrophilic R groups lay on the outside. Concepts of Biology 2013-04-25T00:00:00Z

Each of the bonds is polar, but the molecule as a whole is nonpolar. Chemistry 2019-02-14T00:00:00Z

Figure 2.12 Whether a molecule is polar or nonpolar depends both on bond type and molecular shape. Biology for AP Courses 2022-06-09T00:00:00Z

Bonding readily occurs between nonpolar and polar molecules. Anatomy and Physiology 2013-06-19T00:00:00Z

All of these compounds are nonpolar and only have London dispersion forces: the larger the molecule, the larger the dispersion forces and the higher the boiling point. Chemistry 2019-02-14T00:00:00Z

In contrast, the interior of the membrane, between its two surfaces, is a hydrophobic or nonpolar region because of the fatty acid tails. Concepts of Biology 2013-04-25T00:00:00Z

Substances consisting of larger, nonpolar molecules have larger attractive forces and melt at higher temperatures. Chemistry 2019-02-14T00:00:00Z

This is because they are hydrocarbons that include mostly nonpolar carbon–carbon or carbon–hydrogen bonds. Biology for AP Courses 2022-06-09T00:00:00Z

Molecules with nonpolar covalent bonds are electrically balanced, and have a linear three-dimensional shape. Anatomy and Physiology 2013-06-19T00:00:00Z

Also, polar solvents are better at dissolving polar substances, and nonpolar solvents are better at dissolving nonpolar substances. Chemistry 2019-02-14T00:00:00Z

In a diatomic molecule with two identical atoms, there is no difference in electronegativity, so the bond is nonpolar or pure covalent. Chemistry 2019-02-14T00:00:00Z

Likewise, nonpolar liquids are miscible with each other because there is no appreciable difference in the strengths of solute-solute, solvent- solvent, and solute-solvent intermolecular attractions. Chemistry 2019-02-14T00:00:00Z

Amino acids such as valine, methionine, and alanine are nonpolar or hydrophobic in nature, while amino acids such as serine, threonine, and cysteine are polar and have hydrophilic side chains. Biology for AP Courses 2022-06-09T00:00:00Z

This is why covalently bonded molecules that are electrically balanced in this way are described as nonpolar; that is, no region of the molecule is either more positive or more negative than any other. Anatomy and Physiology 2013-06-19T00:00:00Z

Explain how a molecule that contains polar bonds can be nonpolar. Chemistry 2019-02-14T00:00:00Z

The dipole-dipole attractions between CO molecules are comparably stronger than the dispersion forces between nonpolar N2 molecules, so CO is expected to have the higher boiling point. Chemistry 2019-02-14T00:00:00Z

Relatively weak attractive forces between the polar water molecules and the nonpolar liquid molecules are not adequate to overcome much stronger hydrogen bonding between water molecules. Chemistry 2019-02-14T00:00:00Z

The nonpolar head faces towards other fatty acid tails and the polar fatty acid tails face towards water. Biology for AP Courses 2022-06-09T00:00:00Z

This group can vary in size and can be polar or nonpolar, giving each amino acid its unique characteristics. Anatomy and Physiology 2013-06-19T00:00:00Z

The solubility of polar molecules in polar solvents and of nonpolar molecules in nonpolar solvents is, again, an illustration of the chemical axiom “like dissolves like.” Chemistry 2019-02-14T00:00:00Z

These nonpolar molecules contain boron with sp2 hybridization and a trigonal planar molecular geometry. Chemistry 2019-02-14T00:00:00Z

Since bromine is nonpolar, and, thus, not very soluble in water, the water layer is only slightly discolored by the bright orange bromine dissolved in it. Chemistry 2019-02-14T00:00:00Z

The polar head faces towards water and the nonpolar fatty acid tails face towards other fatty acid tails. Biology for AP Courses 2022-06-09T00:00:00Z

The lipid tails, on the other hand, are uncharged, or nonpolar, and are hydrophobic—or “water fearing.” Anatomy and Physiology 2013-06-19T00:00:00Z

Because both gases are small, nonpolar molecules, they freely travel across the phospholipid bilayer of the plasma cell membrane. Biology for AP Courses 2022-06-09T00:00:00Z

Solubility: As discussed earlier, nonpolar or lipid-soluble materials pass through plasma membranes more easily than polar materials, allowing a faster rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z

Note that the shaded area around Cl is much larger than it is around H. Compare this to Figure 7.4, which shows the even distribution of electrons in the H2 nonpolar bond. Chemistry 2019-02-14T00:00:00Z

The plasma membrane is permeable to the nonpolar, uncharged carbon dioxide molecule. Biology for AP Courses 2022-06-09T00:00:00Z

Although almost all absorption takes place in the small intestine, the stomach does absorb some nonpolar substances, such as alcohol and aspirin. Anatomy and Physiology 2013-06-19T00:00:00Z

Recall that many ions cannot diffuse through the nonpolar regions of phospholipid membranes without the aid of ion channels. Biology for AP Courses 2022-06-09T00:00:00Z

The polar head faces towards water and the nonpolar fatty acid tails face towards other fatty acid tails. Biology for AP Courses 2022-06-09T00:00:00Z

When the difference is very small or zero, the bond is covalent and nonpolar. Chemistry 2019-02-14T00:00:00Z

Molecules that are nonpolar, such as steroids, diffuse across the cell membrane and bind to internal receptors. Biology for AP Courses 2022-06-09T00:00:00Z

Large particles cannot fit in between the individual phospholipids that are packed together, and polar molecules are repelled by the hydrophobic/nonpolar lipids that line the inside of the bilayer. Anatomy and Physiology 2013-06-19T00:00:00Z

单词	nonpolar
例句	nonpolar There are two types of covalent bonds: polar and nonpolar. Concepts of Biology 2013-04-25T00:00:00Z We can use an electrically charged object to attract polar molecules, but nonpolar molecules are not attracted. Chemistry 2019-02-14T00:00:00Z Electrons are equally shared in nonpolar covalent bonds. Biology for AP Courses 2022-06-09T00:00:00Z Water molecules also repel molecules with nonpolar covalent bonds, like fats, lipids, and oils. Anatomy and Physiology 2013-06-19T00:00:00Z Anything oily works, and any nonpolar solvent — meaning the electrons don’t create a positive and negative charge at the ends — can do the trick, Britcher explains. How open spots at a Bellevue alternative school reflect a broken youth mental health system 2022-03-26T04:00:00Z This association is nonpolar because the electrons will be equally distributed between each oxygen atom. Concepts of Biology 2013-04-25T00:00:00Z Classify each of the following molecules as polar or nonpolar. Chemistry 2019-02-14T00:00:00Z When protein folding takes place, the hydrophobic R groups of nonpolar amino acids lie in the interior of the protein, whereas the hydrophilic R groups lie on the outside. Biology for AP Courses 2022-06-09T00:00:00Z You can demonstrate this with a simple kitchen experiment: pour a teaspoon of vegetable oil, a compound formed by nonpolar covalent bonds, into a glass of water. Anatomy and Physiology 2013-06-19T00:00:00Z In the new analysis, however, scientists detected a drop in the amount of ozone in recent years at lower levels of the stratosphere over the Earth’s nonpolar regions, where most of the population lives. Ozone Layer May Be Thinning Over Earth’s Heavily Populated Areas 2018-02-06T05:00:00Z Figure 2.8 As this macroscopic image of oil and water show, oil is a nonpolar compound and, hence, will not dissolve in water. Concepts of Biology 2013-04-25T00:00:00Z For the trans isomer, each ligand is directly across from an identical ligand, so the bond dipoles cancel out, and the molecule is nonpolar. Chemistry 2019-02-14T00:00:00Z Passage through the channel allows polar compounds to avoid the nonpolar central layer of the plasma membrane that would otherwise slow or prevent their entry into the cell. Biology for AP Courses 2022-06-09T00:00:00Z Instead of instantly dissolving in the water, the oil forms a distinct bead because the polar water molecules repel the nonpolar oil. Anatomy and Physiology 2013-06-19T00:00:00Z Oil molecules, in contrast, are nonpolar and hydrophobic. Making Liquids Go Bipolar 2012-02-10T14:45:02.257Z Lipids are a class of macromolecules that are nonpolar and hydrophobic in nature. Concepts of Biology 2013-04-25T00:00:00Z Hexane is a nonpolar liquid with a dipole moment of zero and, therefore, does not significantly interact with the ions of the NaCl crystals. Chemistry 2019-02-14T00:00:00Z These elements share the electrons equally among the carbons and the hydrogen atoms, creating a nonpolar covalent molecule. Biology for AP Courses 2022-06-09T00:00:00Z The result is a molecule with polar and nonpolar regions. Anatomy and Physiology 2013-06-19T00:00:00Z In general, stranding reports suggest that goosebeaked whales are sparsely but widely distributed in nonpolar latitudes. Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification When protein folding takes place, the hydrophobic R groups of nonpolar amino acids lay in the interior of the protein, whereas the hydrophilic R groups lay on the outside. Concepts of Biology 2013-04-25T00:00:00Z Each of the bonds is polar, but the molecule as a whole is nonpolar. Chemistry 2019-02-14T00:00:00Z Figure 2.12 Whether a molecule is polar or nonpolar depends both on bond type and molecular shape. Biology for AP Courses 2022-06-09T00:00:00Z Bonding readily occurs between nonpolar and polar molecules. Anatomy and Physiology 2013-06-19T00:00:00Z All of these compounds are nonpolar and only have London dispersion forces: the larger the molecule, the larger the dispersion forces and the higher the boiling point. Chemistry 2019-02-14T00:00:00Z In contrast, the interior of the membrane, between its two surfaces, is a hydrophobic or nonpolar region because of the fatty acid tails. Concepts of Biology 2013-04-25T00:00:00Z Substances consisting of larger, nonpolar molecules have larger attractive forces and melt at higher temperatures. Chemistry 2019-02-14T00:00:00Z This is because they are hydrocarbons that include mostly nonpolar carbon–carbon or carbon–hydrogen bonds. Biology for AP Courses 2022-06-09T00:00:00Z Molecules with nonpolar covalent bonds are electrically balanced, and have a linear three-dimensional shape. Anatomy and Physiology 2013-06-19T00:00:00Z Also, polar solvents are better at dissolving polar substances, and nonpolar solvents are better at dissolving nonpolar substances. Chemistry 2019-02-14T00:00:00Z In a diatomic molecule with two identical atoms, there is no difference in electronegativity, so the bond is nonpolar or pure covalent. Chemistry 2019-02-14T00:00:00Z Likewise, nonpolar liquids are miscible with each other because there is no appreciable difference in the strengths of solute-solute, solvent- solvent, and solute-solvent intermolecular attractions. Chemistry 2019-02-14T00:00:00Z Amino acids such as valine, methionine, and alanine are nonpolar or hydrophobic in nature, while amino acids such as serine, threonine, and cysteine are polar and have hydrophilic side chains. Biology for AP Courses 2022-06-09T00:00:00Z This is why covalently bonded molecules that are electrically balanced in this way are described as nonpolar; that is, no region of the molecule is either more positive or more negative than any other. Anatomy and Physiology 2013-06-19T00:00:00Z Explain how a molecule that contains polar bonds can be nonpolar. Chemistry 2019-02-14T00:00:00Z The dipole-dipole attractions between CO molecules are comparably stronger than the dispersion forces between nonpolar N2 molecules, so CO is expected to have the higher boiling point. Chemistry 2019-02-14T00:00:00Z Relatively weak attractive forces between the polar water molecules and the nonpolar liquid molecules are not adequate to overcome much stronger hydrogen bonding between water molecules. Chemistry 2019-02-14T00:00:00Z The nonpolar head faces towards other fatty acid tails and the polar fatty acid tails face towards water. Biology for AP Courses 2022-06-09T00:00:00Z This group can vary in size and can be polar or nonpolar, giving each amino acid its unique characteristics. Anatomy and Physiology 2013-06-19T00:00:00Z The solubility of polar molecules in polar solvents and of nonpolar molecules in nonpolar solvents is, again, an illustration of the chemical axiom “like dissolves like.” Chemistry 2019-02-14T00:00:00Z These nonpolar molecules contain boron with sp2 hybridization and a trigonal planar molecular geometry. Chemistry 2019-02-14T00:00:00Z Since bromine is nonpolar, and, thus, not very soluble in water, the water layer is only slightly discolored by the bright orange bromine dissolved in it. Chemistry 2019-02-14T00:00:00Z The polar head faces towards water and the nonpolar fatty acid tails face towards other fatty acid tails. Biology for AP Courses 2022-06-09T00:00:00Z The lipid tails, on the other hand, are uncharged, or nonpolar, and are hydrophobic—or “water fearing.” Anatomy and Physiology 2013-06-19T00:00:00Z Because both gases are small, nonpolar molecules, they freely travel across the phospholipid bilayer of the plasma cell membrane. Biology for AP Courses 2022-06-09T00:00:00Z Solubility: As discussed earlier, nonpolar or lipid-soluble materials pass through plasma membranes more easily than polar materials, allowing a faster rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z Note that the shaded area around Cl is much larger than it is around H. Compare this to Figure 7.4, which shows the even distribution of electrons in the H2 nonpolar bond. Chemistry 2019-02-14T00:00:00Z The plasma membrane is permeable to the nonpolar, uncharged carbon dioxide molecule. Biology for AP Courses 2022-06-09T00:00:00Z Although almost all absorption takes place in the small intestine, the stomach does absorb some nonpolar substances, such as alcohol and aspirin. Anatomy and Physiology 2013-06-19T00:00:00Z Recall that many ions cannot diffuse through the nonpolar regions of phospholipid membranes without the aid of ion channels. Biology for AP Courses 2022-06-09T00:00:00Z The polar head faces towards water and the nonpolar fatty acid tails face towards other fatty acid tails. Biology for AP Courses 2022-06-09T00:00:00Z When the difference is very small or zero, the bond is covalent and nonpolar. Chemistry 2019-02-14T00:00:00Z Molecules that are nonpolar, such as steroids, diffuse across the cell membrane and bind to internal receptors. Biology for AP Courses 2022-06-09T00:00:00Z Large particles cannot fit in between the individual phospholipids that are packed together, and polar molecules are repelled by the hydrophobic/nonpolar lipids that line the inside of the bilayer. Anatomy and Physiology 2013-06-19T00:00:00Z
随便看	visionary visit visitant visitation visitation right visiting visiting card visiting fireman visiting nurse visiting professor visitor visor visored vista Vistaril Vistula Vistula River visual visual acuity visual agnosia visual aphasia visual area visual aspect visual cell visual communication