An electron held in a chemical bond in the cell absorbs a photon (a particle of light) and, thus energised, breaks free.(被化學(xué)鍵束縛的電子吸收光能，而活化，釋放。)

A new catalytic mechanism is proposed: the catalytic effect of a catalyst is attributed to the change of CC chemical bond by catalyst.(提出了一種新的微觀催化機(jī)理：堿金屬鹽的催化作用在于催化劑能改變CC化學(xué)鍵的作用程度，從而加速反應(yīng)的進(jìn)行。)

The pulling flat contains a sintered compressed product having a chemical bond between a colloidal component and a fiber component.(牽引壓板包含在膠狀部件和纖維部件之間具有化學(xué)交聯(lián)的燒結(jié)壓縮產(chǎn)品。)

It is also determined by such factors as the kind of crystal lattice, the characteristics of chemical bond, the features of chemical composition, ionic radius and the others.(同時(shí)又受晶體的晶格類型、化學(xué)鍵的簡(jiǎn)繁程度，化學(xué)成份的特性及其復(fù)雜程度、離子半徑等多種因素制約。)

Regarding harmonic oscillator as a model of chemical bond, the energy transfer processes between water molecules can be described as a system of harmonic oscillators.(用諧振子作為化學(xué)鍵的模型，水分子之間的能量轉(zhuǎn)移過(guò)程可以描述為耦合諧振子系統(tǒng)。)

Sometimes when two certain planets travel together, like Venus and Mars, they create a chemical bond that is stronger than each planet could ever be separately.(有時(shí)當(dāng)兩個(gè)特定的行星，例如金星和火星，行進(jìn)至同處，他們之間產(chǎn)生的化學(xué)反應(yīng)將強(qiáng)于單個(gè)行星所能產(chǎn)生的能量。)

According to the chemical bond theory, the new function of bond parameters, which provides theoretical basis for the selection of alloying elements, has been derived.(根據(jù)化學(xué)鍵理論，推導(dǎo)出新的鍵參數(shù)函數(shù)圖，為合金化元素的選擇提供了依據(jù)。)

Using a semi-empirical theory, the chemical bond properties of Y-124 superconductor were calculated.(利用一種半經(jīng)驗(yàn)方法研究了高溫超導(dǎo)體Y124的化學(xué)鍵性質(zhì)。)

The chemical bond water, tar, partial sulfur and gas escape from coal during rapid pyrolysis.(煤在快速熱解過(guò)程中脫除熱解水、焦油、部分的硫和煤氣。)

The bottom glue and surface material are compounded by one time's high temperature, without any chemical bond, which is safe, healthy and environment friendly.(底膠和面料經(jīng)過(guò)高溫一次性熱復(fù)合而成，不含化學(xué)粘合劑，真正安全、健康、環(huán)保。)