
化學結構;化學組成
The microstructure of a hard metal affects its properties to a considerable de- gree, besides the chemical constitution of the hard metal.
硬質合金材質的好壞,除受成分支配外,在很大程度上還受其顯微組織的影響。
Squeeze casting can not only improve the gravity segregation and distribution of the chemical constitution of the cast but also the microsegregation of bar-shaped ZA27 alloy.
擠壓鑄造使棒狀ZA27合金鑄件的比重偏析有所改善,鑄件成分分布更加均勻。 擠壓鑄造可以明顯改善棒狀ZA27合金鑄件的顯微偏析。
Through integrated study of crystallinity of authigenic illite and chemical constitution of authigenic chlorite, it is concluded that the Cenozoic paleogeothermal gra***nt is from 37.
綜合應用自生伊利石結晶度和自生綠泥石化學成分,得出濟陽坳陷新生代古地溫梯度為37。
The practice proves that chemical constitution of molten steel has stabilization and the deviation is very small.
實踐證明:采用此方法配料與調整,鋼液成分穩定, 偏差小。
The results show that the gastrodia elata from six different areas have similar chemical constitution, but the content of the available composition is not the same.
結果表明:六個不同産地天麻藥材在化合物組成方面有明顯的相似性,但在具體有效成分及含量上仍有差别。
High yield strength IF steel with Nb and Ti microalloying is developed through chemical constitution design, refining, hot and cold rolling technological operation.
通過化學成分設計和冶煉、熱軋及冷軋工藝的控制,研制出铌钛微合金化高屈服強度IF鋼。
Study has been carried out on the chemical constitution and physical properties of the building sand made from the heavy slag from the blast furnace and its application to concrete.
研究了用冶煉高爐重礦渣制造的建築用砂的化學成分、物理性能以及在混凝土中的應用情況。
The effect of the chemical constitution and the parameter of the control rolling and cooling technique to the mechanical property is analyzed after which the idea is determined.
在确定了工藝思想後,分析化學成分、控制軋制和控制冷卻工藝參數對鋼筋性能的影響。
The chemical constitution and mineral composition were analysed with a hard kaolin(kaolinite) of the Carboniferous-Permian coal measures strata, in Baishan region of Jilin province as the sample.
以吉林白山地區石炭、二疊煤系高嶺土(或高嶺石)為試樣,進行了礦物成分、含量分析和研磨、 煅燒、添加不同漂白劑加工工藝實驗。
The changes in chemical structure of residual lignin in reed kraft pulp were investigated by chemical analysis, element constitution and NMR spectroscopies.
從元素組成、功能基含量、結構單元三種基的比例和分子量及其分布等方面研究了葦漿殘餘木素的性質,并與蘆葦木素進行了比較。
Immune system is a important assurance for health, and perform normal function of physiology, biochemistry. Immune system is also a target constitution assaulted by chemical poison.
免疫系統是維護機體健康、正常執行生理生化功能的重要保證,也是化學毒物經常攻擊的靶組織。
After analyzing the chemical composition and physical phase constitution, the form course and mechanism of different kinds of scaling were subsequently analyzed;
根據對其化學成份及物相組成的分析,研究了各種結疤的形成過程、形成機理;
We know the constitution of mineral through chemical analysis.
經過化學分析,我們知道了礦石的構成。
Introduce constitution and realization of automatic control of automatic chemical-adding unit of SY system, and develop result evaluation of the application.
結合工程實例,闡述了SY系統自動控制加藥裝置的組成和自動控制的實現,并對該裝置的使用狀況作出了效果評價。
Based on the probability specimen, the classification of chemical compositions in weak interlayers not only basically reflects their mineral constitution, but also structures.
在隨機取樣的基礎上,進行化學成份分類不僅基本反映了軟弱夾層的礦物成份,而且反映了其宏觀構造和微觀結構特征;
AIM:To investigate the present state of physical constitution of students in Liaoning University of Petroleum and Chemical Technology, and to evaluate their health level scientifically.
目的:了解遼甯石油化工大學學生的體質現狀,對其健康水平做出科學評價。
The chromosomal constitution and stability in parthenogenic maize plants induced by chemical treatment were stu***d.
對化學藥劑誘導玉米孤雌生殖獲得的植株的染色體組成及其穩定性進行了研究。
According to career feature and teaching laws of professional education, we introduce the necessity, constitution and practice of bilingual teaching system of fine chemical engineering in this paper.
結合行業特點,按照高職教學規律,說明了高職學生進行雙語教學的必要性,并進行了高職精細化工專業雙語教學體系的構建和實踐。
The constitution of D3C temperature control system and operation principle were introduced, as well as the application on FDY production line in chemical fiber factory.
文章介紹了D3C溫度控制系統的組成部分及其原理,以及系統在化纖廠FDY生産線上的具體應用。
DNA molecular constitution is damaged to result in the inductive variation of base structure in female breast tissue under the influence of physical factors and chemical factors.
在物理因素和化學因素的影響下,乳腺組織中DNA分子結構發生改變而出現損傷,導緻堿基結構的誘發變異。
The foundry technology for resistant pressure base seat of submarine motor were discussed from some respects of chemical constitution, analysis of casting structure, modeling materials etc.
從化學成分、鑄件結構、造型材料等幾個方面探讨了潛水電機耐高壓機座的鑄造工藝。
Objective: To review the research advances in the chemical constitution and pharmacological activities of the Gelsemium elegans.
目的:綜述馬錢科胡蔓藤屬鈎吻植物化學成分及藥理作用的研究進展。
Chemical constitution of Pinus kesiya oleoresin from Burma was analyzed by GC-MS.
采用GC-MS聯用技術對産自緬甸的卡西亞松松脂化學成分進行了分析和鑒定。
|chemical structure/chemical composition;化學結構;[化學]化學組成
"Chemical Constitution"(化學組成)指的是一個化學物質中原子或離子的種類、數量以及它們之間相互連接的方式(即原子間的鍵合關系)。它描述的是物質最基本的、靜态的構成框架,而不涉及原子在空間中的具體三維排列(這屬于"化學結構"或"構型/構象"的範疇)。
其核心含義包括:
重要性: 化學組成是理解物質化學性質的基礎。它決定了:
與"化學結構"的區别:
簡單來說,化學組成定義了物質中原子"誰是誰"、"有多少"以及"誰和誰直接相連"。它是物質化學身份的最基本标識。
參考來源:
“Chemical constitution”是一個化學領域的專業術語,其核心含義是物質的化學成分組成方式,具體可從以下方面理解:
如需更深入探讨化學組成與結構的關系,可參考化學教材或專業文獻。
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