what is the difference between b and h?
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B is magnetic flux density, whereas H is magnetic field intensity. H has units of amp-turn/meter, whereas B has units of weber/turn-meter^2. In non-ferrous materials they have a simple inter-relation given by B = mu*H.
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Matt says that the only difference between the two tags is that that <strong> tag refers to presentation, while the <b> tag is a semantic label. But he reminds us that in practice they both do the same thing, every browser just uses the tags to make text bold. Matt ends the video by reassuring us not to worry about it.
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What is the difference between p, hr and br tag? ... hr tag in HTML is used to insert the 'horizontal rule' in a line. This is an empty tag means does not need any external closing tag. br produces a 'line break' between the text, it is used at those places where the division by a line is of significant use.
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What is the difference between an acid and a base? Give examples. Acids are substance that give off hydrogen ions to form hydronium (H30) ions when dissolved in water. ... Bases are substances that contain or form hydroxide (OH) ions when in water.
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The actual answer to this question is "H", which is the 7th letter within the words "the alphabet".
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What is the difference between haemophilia A and B in terms of treatments? The main difference is that they need injections to replace different clotting factors. In haemophilia A, factor VIII (8) is missing. In haemophilia B, it is factor IX (9) that is missing.
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How are AHAs and BHAs different? AHA stands for alpha hydroxy acid. BHA stands for beta hydroxy acid. AHAs are water-soluble acids made from sugary fruits. They help peel away the surface of your skin so that new, more evenly pigmented skin cells may generate and take their place.
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SH- is less basic than OH-, but is a FAR GREATER nucleophile. Sulfur is large, and the electronegativity is less than Oxygen, hence the electrons are more loosely held. This renders it a greater nucleophile.
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Hemoglobin (American English) or haemoglobin (British English) (Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in) (/ˈhiːməˌɡloʊbɪn, ˈhɛ-, -moʊ-/), abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells (erythrocytes) of almost ...
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The difference, though, lies in the hydrogen atoms. In ordinary water, each hydrogen atom has just a single proton in its nucleus. In heavy water, each hydrogen atom is indeed heavier, with a neutron as well as a proton in its nucleus.
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This is basic transfusion science. Basically AB-positive and AB-negative blood types have one important difference. AB-positive and AB-negative blood types both contain A and B antigens on their red cell surfaces. ... AB-positive and AB-negative blood types both contain A and B antigens on their red cell surfaces.
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The most obvious difference is the way the letter r is pronounced. In British English, when r comes after a vowel in the same syllable (as in car, hard, or market), the r is not pronounced. In American English the r is pronounced.
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Elements are the alphabet in the language of molecules. ... In English, you know that “B” is different from “C.” In chemistry, “B” is also different from “C” because boron (B) and carbon (C) are different elements with atoms that have different structures.
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Most pencil manufacturers outside of the U.S. use this scale, using the letter “H” to indicate a hard pencil. ... Today, however, most pencils using the HB system are designated by a number such as 2B, 4B or 2H to indicate the degree of hardness. For example, a 4B would be softer than a 2B and a 3H harder than an H.
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The "b" means to bend the note for example "7b" (bend the note on the 7th fret upwards) The "h" means a hammer on from one note to the other like "7h9" (strike the note on the 7th fret and without striking the note again put your finger on the 9th fret.)
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When trying to decide between an X-pipe and H-pipe, the main variable to consider is sound. X-pipes tend to be higher-pitched and more raspy while H-pipes have a lower pitch and sound more like a deep growl. ... X-pipes tend to have better power while H-pipes have better torque, comparatively speaking.
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Yes, 2H is harder than HB. The HB pencil is the middle of the road pencil in that it is in the middle of the scale measuring hardness and blackness. The blacker the pencil, the softer it is. The harder the pencil, the lighter the marks it will make.