microgram

简明释义

英[ˈmaɪkrəʊɡræm]美[ˈmaɪkroʊɡræm]

n. 微克；微观图，显微照片

英英释义

单词用法

同义词

反义词

例句

1.A new small-scale interfacial voltaic cell is shown to be satisfactory for potassium permanganate Oxidation-Reduction potentiometric titration in milligram and microgram amounts of the samples.

首次提出了一种新的氧化还原电位滴定的终点指示器界面伏打电化学池。

2.While concentrations varied daily, typical concentrations of lead particles ranged from 0.6 to 1 microgram per cubic meter of air, Bell and her thesis adviser Catherine Cahill found.

Bell和她的论文导师CatherineCahill发现，尽管浓度含量每天都发生变化，铅浓度含量一般在0.6到1微克每平方米空气之间。

3.Combined with the design of a math coprocessor, the paper dis-cusses how to determine microinstruction format and write microgram code. Multiplication code is presented as an example.

文章以某数值协处理器的设计为例，研究了微指令格式的确定以及微程序代码的编写，并给出了编制的乘法微代码的实例。

4.A single 15 microgram dose of swine flu vaccine is enough for kids 10 and older, while children under 10 will need two doses, 21 days apart.

对于10岁和10岁以上的孩子们，单个15微克剂量的猪流感疫苗就足够了，而10岁以下的孩子们将需要二个剂量，间隔21天。

5.The more-widely used 25-microgram patch is prescribe mainly for lower-weight patients, children and patients just starting on the medicine.

处方使用的25微克剂型主要广泛应用于低体重患者，儿童和刚开始使用这种药物的患者。

6.About 25% of the food items, including spices such as cardamom, fenugreek and chili powder, contained more than 1 microgram of lead per gram of product.

大约25%的食品，每1克食品含有多于1微克的铅，包括豆蔻、葫芦巴和胡椒粉等。

7.The researchers found that the long-term death rate from lung cancer rose by 8 per cent for every 10-microgram increase in the average concentration of PM2.5s per cubic meter.

他们发现，每立方米PM2.5的平均浓度每增加10微克，在长期的作用之下，肺癌导致的死亡率就会增加8％。

8.Patients receiving daily doses of 400 micrograms were more likely to experience relief of sinusitis symptoms, than were patients receiving 200-microgram doses.

每日接受四百毫克剂量治疗的患者与每日接受两百毫克剂量治疗的患者相比较，其鼻窦炎症状似乎得到更好地缓解。

9.A new small-scale interfacial voltaic cell is shown to be satisfactory for potassium permanganate Oxidation-Reduction potentiometric titration in milligram and microgram amounts of the samples.

首次提出了一种新的氧化还原电位滴定的终点指示器界面伏打电化学池。

10.The lab test showed that the sample contained 1.5 micrograms of lead.

实验室测试显示样本中含有1.5微克铅。

11.The recommended daily intake of folate is about 400 micrograms for adults.

成年人推荐的每日叶酸摄入量约为400微克。

12.The supplement contains 500 micrograms of vitamin B12 per serving.

该补充剂每份含有500微克维生素B12。

13.For accurate results, the scale must measure down to the microgram level.

为了获得准确结果，天平必须能够精确到微克级别。

14.A single dose of the medication is prescribed at 250 micrograms for adults.

成年人处方的单次剂量为250微克。

作文

In the field of science, particularly in chemistry and biology, precise measurements are essential for accurate results. One such measurement unit that is often used is the microgram, which is a metric unit of mass equal to one millionth of a gram. Understanding the significance of the microgram is crucial for researchers and professionals who work with substances that require careful dosage. For instance, many medications are prescribed in micrograms because even a slight variation in dosage can lead to significant differences in efficacy or safety. The microgram is particularly important in pharmacology, where the potency of drugs can be incredibly high. Some drugs are effective in doses as low as a few micrograms, making it necessary for pharmacists to measure these quantities with extreme precision. This is why many laboratories use analytical balances that can measure down to the microgram level. Moreover, the importance of the microgram extends beyond pharmaceuticals. In environmental science, for example, the concentration of pollutants in air or water is often measured in micrograms per liter or cubic meter. This allows scientists to detect trace amounts of harmful substances that could pose risks to health and the environment. For example, the presence of heavy metals or toxins in drinking water may be reported in micrograms per liter, highlighting the need for stringent monitoring and regulation. In nutrition, the microgram is also a vital unit when discussing vitamins and minerals. Certain vitamins, such as vitamin B12 and vitamin K, are required by the body in microgram quantities. Understanding these requirements helps individuals maintain a balanced diet and avoid deficiencies that could lead to serious health issues. For instance, the recommended daily allowance (RDA) of vitamin B12 for adults is around 2.4 micrograms, which showcases how critical even this tiny amount is for bodily functions. Furthermore, the measurement of micrograms plays a significant role in research studies. When conducting experiments, scientists must be able to replicate their findings accurately, which often involves measuring substances in micrograms. The ability to quantify results in such small units ensures that conclusions drawn from studies are reliable and valid. In conclusion, the microgram is a fundamental unit of measurement that holds great significance across various fields, including medicine, environmental science, nutrition, and research. Its role in ensuring precise measurements cannot be overstated, as even the smallest deviation can have profound implications. Whether it is in the formulation of life-saving medications or the assessment of environmental pollutants, the microgram serves as a reminder of the intricacies of science and the importance of accuracy in our measurements. As we continue to advance in technology and understanding, the microgram will undoubtedly remain a key player in our quest for knowledge and improvement in health and safety.

在科学领域，尤其是化学和生物学中，精确的测量对于获得准确的结果至关重要。其中一个常用的测量单位是微克，它是质量的公制单位，相当于一克的百万分之一。理解微克的重要性对于从事需要仔细剂量的物质的研究人员和专业人士来说至关重要。例如，许多药物的处方以微克为单位，因为即使是剂量的轻微变化也会导致疗效或安全性的显著差异。微克在药理学中尤为重要，因为药物的效力可能非常高。一些药物在仅需几微克的剂量下就能产生效果，因此药剂师必须极其精确地测量这些数量。这就是为什么许多实验室使用可以测量到微克级别的分析天平。此外，微克的重要性超越了药物领域。在环境科学中，例如，空气或水中污染物的浓度通常以每升或每立方米的微克为单位进行测量。这使得科学家能够检测出可能对健康和环境构成风险的有害物质的微量。例如，饮用水中重金属或毒素的存在可能以每升微克的形式报告，突显了严格监测和监管的必要性。在营养学中，微克也是讨论维生素和矿物质时的重要单位。某些维生素，如维生素B12和维生素K，身体所需的量是以微克计量的。了解这些需求有助于个人保持均衡饮食，避免可能导致严重健康问题的缺乏。例如，成人的维生素B12每日推荐摄入量（RDA）约为2.4微克，这显示出即使是这个微小的数量对身体功能的重要性。此外，微克的测量在研究中也发挥着重要作用。在进行实验时，科学家必须能够准确复制他们的发现，这通常涉及以微克为单位测量物质。在如此小的单位中量化结果的能力确保了从研究中得出的结论是可靠和有效的。总之，微克是一个基本的测量单位，在医学、环境科学、营养和研究等多个领域具有重要意义。它在确保精确测量中的作用不容小觑，因为即使是最小的偏差也可能产生深远的影响。无论是在生命救助药物的配方中，还是在环境污染物的评估中，微克都提醒我们科学的复杂性以及我们在测量中准确性的重要性。随着我们在技术和理解上的不断进步，微克无疑将继续在我们追求知识和改善健康与安全的过程中扮演关键角色。