At the end of last century it was limited to the refining of gold, silver and copper, and to the production of a small amount of aluminum.

  • 上世纪末,电解法只限于用来精炼金、银、铜以及生产少量的铝。
  • 来源:互联网摘选更新时间:2026-07-14 20:53:05

  • 重点词汇
  • aluminumn.<美>铝;
  • atprep. 在(某时间或时刻);在(学习或工作地点);在(某处);在…岁时;向;以,达;处于最佳(或最差等)状态;在…方面;以…的方式;从事于,忙于;因为,由于;应…(而)
  • of last的最后一个
  • itpron.它;他;正好是所需的;事实[情况];
  • silvern.银;银币;银器;银色;
  • centuryn.世纪;一百年;
  • small amount小批量;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • 相关例句
1、

Combined with the power distribution factor method, a power flow calculation method, a real-time power flow software is developed and applied in a practical distribution system.

将首末节点定向法和潮流计算的功率分布系数法结合编制了配电网实时潮流计算软件,用于配电自动化工程中,取得了满意的效果。

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2、

Later on, the concept of jus cogens was introduced into public international law and was codified in 1969 Vienna Convention on the Law of Treaties.

20世纪60年代末,罗马法中的强行法概念被引入进1969年的《维也纳条约法公约》。

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3、

At the end of the 19th century, Otto Mayer, Scholar of German administrative law, firstly created principle of law reservation.

19世纪末德国行政法学者奥托·梅耶首创法律保留原则,意指一些特定事项必须由法律予以规定,行政行为若无法律依据,不得为之。

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4、

Charcoal driving in small intestine was used to observe the percentage of pushing carbonic powder in small intestine.

选用小肠炭末推进试验法,观察小鼠小肠炭末推进率;

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5、

Results Among 103 gelatinase-producing strains, 77 strains were positive with nutrition gelatin method, 60 strains were positive with x-ray film method, 91 strains were both positive with the routine charcoal powder gelatin method and charcoal powder gelatin microtube method respectively.

结果103株产明胶酶的细菌,营养明胶法77株阳性反应,X线胶片法60株阳性反应,常量炭末明胶法及炭末明胶微量管法均有91株阳性反应。

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6、

In this article, the mathematical model of compartmental analysis method is introduced, the three compartment model of protein metabolism is set up and the way to solve out the related index by single dose end product method is also presented.

介绍了用房室分析方法研究蛋白质动态代谢规律的数学模型,建立了蛋白质动态代谢的三室模型并给出了用单剂量终末产物法求解改模型参数的具体方法。

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7、

Methods Gelatin liquefaction tests were performed on 145 strains of 31 species of bacteria with the nutrition gelatin method, x-ray film method, routine charcoal powder gelatin and charcoal powder gelatin microtube method, the results of each method were compared.

方法对31种、145株细菌,采用营养明胶法、X线胶片法、常量炭末明胶法及炭末明胶微量管法进行明胶液化试验,并进行对比。

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8、

In this paper, with the fundamentals of econometrics systematically put forward and expound the comprehensive method of growth rate calculation, which is illustrated by calculating a example and compared with the usual first and last term method.

运用计量经济学的基本原理,系统地提出并阐明了增长率计算的综合法,结合实例进行计算,并与通常的首末项法进行了比较。

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9、

The economic reason for the basic standard of value of economic law is the large-scale social production and its theoretical bases are the philosophy of law and modern economics at the end of the 19th century.

经济法基本价值取向形成的经济原因是社会化大生产,其形成的理论基础是19世纪末的法哲学和现代经济学理论。

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10、

Based on types of tea there is "way for dust tea"," way for cake tea"," way for coin tea" and "way for leaves tea".

如按名茶类型区分,即有“末茶法”、“饼茶法”、“钱茶法”、“叶茶法”四种。

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11、

MET-HODS: The effects on movement of charcoal powder in mice and secretion of digestive enzyme and absorption of D-xylopyranose into serum in rats were studied.

方法:应用小鼠炭末推进法、大鼠消化酶分泌试验及大鼠血清D-木糖吸收试验进行研究。

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12、

Designating the cross sections of river and setting their corresponding ecological environmental function;

划分河流断面并设定相应的生态环境功能,设计段首控制法和段末控制法;

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13、

Methods and results: Using LD_50 of acute toxicity, methyl orange colorimetry of gastric emptying and charcoal propulsion of small intestine, to research the mice's general and target organ toxicity on stomach and intestines between Crude and Honey-stir-baked Radix Polygalae.

方法:采用急性毒性LD50法、胃排空甲基橙比色法及小肠炭末推进法,对比远志不同蜜炙品与生品对小鼠全身毒性及胃肠靶器官的毒性。

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14、

The average days of gelatin liquefaction were 3.3 days with nutrition gelatin method, 2.5 days with routine charcoal powder gelatin method and 1.5 days with charcoal powder gelatin microtube method.

明胶液化平均天数,营养明胶法3.3d,常量炭末明胶法2.5d,而炭末明胶微量管法仅为1.5d。

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15、

Methods: 36 COPD patients were studied through end expiratory blocking method.

方法:应用呼气末阻断法测定了36例COPD患者机械通气时的PEEPi。

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17、

Because you know this degenerated time, the world is becoming so material, people don't see the value of spiritual path.

因为,众所周知,在这个末法时期,全世界都变得如此物质主义,人们不再看重灵修的价值。

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18、

The speed of small intestine moving forward was measured by charcoal powder mothed.

用炭末法测定小肠的推进速度;

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19、

People walking out very far in the Dharma Ending Period.

人们在末法时代走得很远。

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20、

The estradiol receptor ( ER) level of 42 biopsies in human breast cancer tissue was estimated by the DCC method. Each of the tumor biopsies in 42 cases was simultaneously assayed by using both a single point and a multiple point assay of DCC method.

用单一饱和剂量分析法(下称单点法)检测了42例人乳腺癌组织雌二醇受体(ER)的容量,每例肿瘤组织同时用葡聚糖包裹炭末法(下称多点法)作对照检查。

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