英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

rachitis    
n. 佝偻病,脊柱炎

佝偻病,脊柱炎

rachitis
n 1: inflammation of the vertebral column
2: childhood disease caused by deficiency of vitamin D and
sunlight associated with impaired metabolism of calcium and
phosphorus [synonym: {rickets}, {rachitis}]

Rachitis \Ra*chi"tis\ (r[.a]*k[imac]"t[i^]s), n. [NL., fr. Gr.
"rachi^tis (sc. nosos), fr. "ra`chis, -ios, the spine.]
[Written also {rhachitis}.]
1. (Med.) Literally, inflammation of the spine, but commonly
applied to the rickets. See {Rickets}.
[1913 Webster]

2. (Bot.) A disease which produces abortion in the fruit or
seeds. --Henslow.
[1913 Webster]


Rickets \Rick"ets\, n. pl. [Of uncertain origin; but cf. AS.
wrigian to bend, D. wrikken to shake, E. wriggle.] (Med.)
A disease which affects children, and which is characterized
by a bulky head, crooked spine and limbs, depressed ribs,
enlarged and spongy articular epiphyses, tumid abdomen, and
short stature, together with clear and often premature mental
faculties. The essential cause of the disease appears to be
the nondeposition of earthy salts in the osteoid tissues.
Children afflicted with this malady stand and walk
unsteadily. Called also {rachitis}.
[1913 Webster]

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • SILVER SUPPLY DEMAND - The Silver Institute
    More than 5,000 years after ancient cultures first began to mine in relatively small amounts, silver mine production has now grown to almost 800 million ounces in 2019
  • Silver Industry Statistics, Facts Trends and Data for 2026
    26,000 metric tons of silver are produced globally every year That is 917,123,759 ounces or 26,000,000 kg of silver produced annually The global silver production rises by ~2% YoY so more silver will be mined and produced globally next year than the year before
  • How Much Silver is Mined Each Year? - GovMint. com
    In 2023, approximately 26,000 metric tons of silver were mined globally, with annual production continually increasing since 2020 The leading countries of silver output include Mexico, China, and Peru
  • How Much Silver Is There on Earth? - ScienceInsights
    The flow rate of silver from the Earth, known as the annual mining output, provides a measure of its current availability Global mine production was estimated to be around 26,000 metric tons in 2023
  • Global silver production per year 2024| Statista
    How much silver is mined each year? Despite having remained relatively stable over the past two decades, global silver mine production has increased recently
  • Why the World Needs More Silver Than It Can Mine
    Moz = million troy ounces To put that in context: total global silver mine production in 2024 was approximately 819 7 million ounces Industrial use alone consumed more than 80% of everything mined that year — before accounting for jewelry, investment demand, or coins
  • How Much Silver is Mined Each Year? - American Bullion
    According to a report by BullionByPost, the total amount of silver mined throughout history is estimated to be around 1 5 million metric tons However, it’s important to note that this estimate is based on incomplete data and may need more accuracy
  • How much Silver is mined, and how much is left on Earth?
    Each year, miners mine and produce silver in significant quantities This article will discuss the annual silver mining, reserves, and the global silver quantity
  • How Much Silver Is on Earth? From Crust to Reserves
    The flow of silver from the Earth is measured by annual mine production, which reached an estimated 26,000 metric tons globally in 2023 This production rate is not driven solely by silver demand because a large majority, roughly 70 to 80 percent, is extracted as a byproduct of mining for base metals
  • Silver Production by Country 2026 - World Population Review
    According to the Silver Institute, the global mine production fell for the fourth year in a row in 2019 by 1 3% and primary silver production declined by 3 8% The largest declines were in Peru, followed by Mexico and Indonesia





中文字典-英文字典  2005-2009