英:[ˈsəʊdiəm]
美:[ˈsoʊdiəm]
英:[ˈsəʊdiəm]
美:[ˈsoʊdiəm]
so·di·um
so di m
sodium hydroxiden. [化]氢氧化钠
sodium silicate[化]硅酸钠
sodium chloride氯化钠,食盐
sodium carbonate碳酸钠
sodium salt钠盐;氯化钠
sodium sulfate硫酸钠;芒硝
sodium alginate[医]海藻酸钠
sodium bicarbonate碳酸氢钠;小苏打
sodium hypochlorite[化]次氯酸钠
sodium aluminate铝酸钠
sodium sulfide[化]硫化钠
sodium nitrite亚硝酸钠
sodium benzoate苯甲酸钠
sodium sulfite亚硫酸钠
sodium citrate柠檬酸钠
sodium bisulfate硫酸氢钠
sodium dodecyl sulfate[化]十二烷基硫酸钠
sodium nitrate硝酸钠
sodium tripolyphosphate三聚磷酸钠;三磷酸钠
sodium acetate[化]乙酸钠,醋酸钠
金属碱性元素,1807年,由英国化学家汉弗里·戴维从soda(苏打(soda))加-ium后缀构造而成的词。之所以这样命名,是因为这个元素是从烧碱(氢氧化钠)中分离出来的。化学符号Na源自natrium,该元素的一个早期名字,这个名字是由贝采利乌斯提出并以natron(纳特龙)(natron,一种苏打的名称)来构造的。
钠:所有格为sodii。一种轻软的银白色碱金属元素,符号为Na,原子序数11,原子量22.990,比重0.971,原子价1,对氧和其他非金属有强亲和力。钠为细胞外体液中的主要阳离子。另见pump项下的sodium pump。钠盐是医药上应用最广的盐
未列于后的钠盐见各活性成分处
钠空穴效应
sodium-void effect
New Latin, from English soda
The first known use of sodium was in 1807
soft1 of 2adjective
having a pleasing, comfortable, or soothing effect : gentle, mild
soft breezes
not bright or glaring
soft lighting
pleasing to the ear : quiet in pitch or volume
soft voices
smooth or delicate in appearance or feel
a soft silk
demanding little effort : easy
a soft job
sounding as in ace and gem—used of c and g
gently or gradually curved or rounded : not harsh or jagged
soft hills
having a mild gentle disposition : docile
showing sympathetic understanding
took a soft stand toward the rebels
lacking in strength : feeble
soft from easy living
mentally weak
yielding to physical pressure soft metals such as lead
a soft mattress
not as hard as others of its kind
free from substances (as calcium and magnesium salts) that prevent lathering of soap
soft water
occurring at such a speed and in such a way that a destructive crash is avoided
a soft landing on the moon
soft2 of 2adverb
in a soft manner
softynoun
weakling
a silly or sentimental person
softenverb
to make or become soft or softer
to lessen the strength of
softenverb
to make or become soft or softer
to lessen the strength of
softenverb
to make or become soft or softer
to lessen the strength of
softenverb
to make or become soft or softer
to lessen the strength of
softballnoun
baseball played on a small diamond with a ball that is larger than a baseball and that is pitched underhandalso: the ball used in this game
sofanoun
a long upholstered seat usually with arms and a back and often convertible into a bed
sodiumnoun
a soft waxy silver-white metallic element that is chemically very active and is common in nature in combined form see element
sodiumnoun
a silver white soft waxy ductile element of the alkali metal group that occurs abundantly in nature in combined form and is very active chemically—symbol Na see Chemical Elements Table
1 A combination of icky additives, calories galore, and excess fat and sodium is the name of the game when it comes to most frozen pizza roll snacks.
2 Those who have systematically analysed TV chefs’ recipes find that they tend to be much higher in fat, saturated fat and sodium than is recommended by the World Health Organisation’s nutritional guidelines.
3 In 2015, it acquired the rights to Seconal, the trade name of secobarbital sodium, the most commonly prescribed drug used by terminally ill patients to end their lives under the law.
4 But modern diets often have too much sodium.
5 At worst, it can cause the sodium and electrolyte levels in your body to drop to dangerously low levels.
6 The standard school lunch for an American child often contains dishes brimming with preservatives and sodium.
7 The poetry on the package helps me forget I’m still eating fat, carbs and sodium.
8 It only became obvious in retrospect: the sodium, potassium, magnesium and sugars referenced were the same nutrients as in diet books or on food labels.
9 Mr. Leckey lit the overpass with motorway sodium street lamps to create a sickly, yellow glow.
10 Kamen soon was drafted by the physicist Jackson Laslett to help with the chemical separation of sodium isotopes, and the chemist Glenn Seaborg was absorbed into a team working with uranium.
11 "So I'll add salt and sodium nitrate and make a kind of prosciutto out of it, which is aged, or I'll just cure it and smoke it, which is absolutely delicious."
12 The powder contains a precise ratio of sodium, sugars and electrolytes that, its creators claim, is a portable defense “against long lines, high altitude, jet lag and misadventures in unfamiliar cuisine.”
13 Back in 2001, the National Institutes of Health published an oft-cited study called the DASH-sodium study, which found that participants who consumed less sodium than the control group ended up with lower blood pressure.
14 The dishes were limited to less than 800 milligrams of sodium and chefs were expected to enhance the flavor, taste and appearance of their dishes.
15 What we are learning is that the key may not lie in any absolute amounts, but in the ratio between sodium and potassium—the goal being to achieve a ratio ≤ 1.
16 In the realm of additives, substances like tartrazine and sodium benzoate emerge as potential instigators of urticaria and asthma.
17 More people are also consuming too much added sugars, saturated fat and sodium, which increases the risk of heart disease, cancer, and diabetes — the leading causes of death in the United States.
18 Under the guidelines announced last month, school cafeterias would be required to cut the sodium in subsidized lunches by more than half, use more whole grains and serve low-fat milk.
19 "The flavor of distilled water is very bland because it doesn’t contain any calcium, sodium, magnesium or potassium."
20 It was later determined that she had hyponatremia, extremely low levels of sodium in her blood, and was near death when she reached the hospital.