phosphine

简明释义

英[ˈfɒsfiːn]美[ˈfɑsfin]

n. 磷化氢；三氢化磷

英英释义

单词用法

同义词

反义词

例句

1.The use of the water-soluble Rh-phosphine complexes for catalytic hydroformylation of 1-hexene in two-phase system was studied.

研究了水溶性铑膦络合催化剂两相催化1 -己烯氢甲酰化反应。

2.The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container.

磷化氢和砷化三氢对紫外光的吸收比硅烷强烈得多，因此，它们就沉积在容器的器壁上。

3.The method provided by the invention realizes high added value utilization of the phosphine by-product, and greatly reduces the production cost of the trialkyl phosphine.

本发明提供的方法实现了副产物磷化氢的高附加值利用，并大幅度降低三烷基膦的生产成本。

4.Also provided are methods for making compounds of formula (I) and their corresponding phosphine intermediates.

本发明还提供了制备式(i)的化合物及其相应的膦中间体的方法。

5.Salinity of artificial seawater has weak inhibition effects on phosphine transformation due to its effects on gas dissolvability.

在人工海水介质中，通过对气体溶解性质的影响，盐度因素对磷化氢转化有微弱抑制作用。

6.Thermodynamic considerations indicate that the reduction of phosphate to phosphine is endergonic.

热力学分析，磷酸盐还原成磷化氢是一种吸能反应。

7.It also protects against carbon monoxide, smoke, hydrogen cyanide, sulfur dioxide, other gases, particulates, fumes, soot, ammonia, chlorine, phosphine, and radiant heat.

它还可以防止一氧化碳，烟雾，氰化氢，二氧化硫，其他气体，颗粒，烟雾，烟尘，氨，氯，磷，和辐射热的危害。

8.The presence of phosphine in the atmosphere of Venus has intrigued scientists for decades.

金星大气中存在的磷化氢几十年来一直吸引着科学家的兴趣。

9.Farmers use phosphine as a fumigant to protect stored grains from pests.

农民使用磷化氢作为熏蒸剂来保护储存的谷物免受害虫侵害。

10.Exposure to high concentrations of phosphine can be deadly to humans.

高浓度的磷化氢对人类可能是致命的。

11.Researchers are studying the potential of phosphine as a biofuel.

研究人员正在研究磷化氢作为生物燃料的潜力。

12.In laboratories, phosphine is often produced by reacting metal phosphides with water.

在实验室中，磷化氢通常通过将金属磷化物与水反应生成。

作文

Phosphine, a colorless and flammable gas with the chemical formula PH3, is an important compound in both industrial applications and scientific research. Its unique properties make it a subject of interest in various fields, including agriculture, chemistry, and even astrobiology. In this essay, we will explore the significance of phosphine (磷化氢) in different contexts, and its implications for our understanding of both Earth and extraterrestrial environments. One of the primary uses of phosphine (磷化氢) is as a fumigant in agriculture. Farmers often utilize this compound to protect stored grains from pests. The effectiveness of phosphine (磷化氢) in controlling infestations is due to its ability to penetrate grain kernels and eliminate insects without leaving harmful residues. This property is particularly beneficial for maintaining the quality of food products. However, the use of phosphine (磷化氢) also raises concerns about safety, as it is highly toxic to humans and animals. Proper handling and application protocols are essential to minimize risks associated with its use. In addition to its agricultural applications, phosphine (磷化氢) is also significant in the field of chemistry. It serves as a precursor to various phosphorus-containing compounds and is used in the synthesis of pharmaceuticals and other organic chemicals. The reactivity of phosphine (磷化氢) allows chemists to create a wide range of derivatives that are useful in different chemical processes. Research continues to uncover new applications for phosphine (磷化氢), making it a valuable compound in the development of innovative materials and technologies. Moreover, the discovery of phosphine (磷化氢) in the atmosphere of Venus has sparked excitement and debate within the scientific community. In 2020, researchers detected traces of phosphine (磷化氢) in the clouds of Venus, leading to speculation about the possibility of microbial life existing in such extreme conditions. While the presence of phosphine (磷化氢) does not definitively indicate biological activity, it raises important questions about the potential for life beyond Earth. Scientists are now investigating the origins of phosphine (磷化氢) on Venus, considering both abiotic and biotic processes that could explain its presence. The implications of phosphine (磷化氢) detection extend beyond Venus, as they encourage further exploration of other celestial bodies. If phosphine (磷化氢) is found elsewhere in the solar system, it could provide crucial insights into the conditions necessary for life. This line of inquiry highlights the importance of studying not only the chemical properties of phosphine (磷化氢) but also its role in astrobiology. In conclusion, phosphine (磷化氢) is a compound with diverse applications and significant implications across multiple fields. From its use as an agricultural fumigant to its role in chemical synthesis and astrobiological research, phosphine (磷化氢) continues to be a topic of interest for scientists and researchers. As we deepen our understanding of this compound, we may unlock new possibilities for innovation and exploration, both on Earth and beyond.