quaternary
美 [kw?'t?ner?]
英 
- n.四;【地】第四紀(jì);【數(shù)】四進(jìn)制;四個(gè)一組的東西
- adj.【地】第四紀(jì)[系]的;四個(gè)一組的;由四部份組成的;第四的
- 網(wǎng)絡(luò)四元的;季;四級(jí)的
詞形變化
復(fù)數(shù):quaternaries
英漢解釋
adj. | 3. 【化】四元的;四價(jià)的;季的;【數(shù)】四進(jìn)制的 |
n. | |
英英解釋
例句
Forests in the Yellow River region have already decreased a great deal in Quaternary age, and the Loess Plateau began to be formed.
在黃河流域,第四紀(jì)時(shí)森林已大量減少,黃土高原已開始形成。
Quaternary structure The pattern in which two or more polypeptide chains are linked together to form a protein molecule.
由兩條或更多的多肽鏈結(jié)合在一起形成的蛋白質(zhì)的分子結(jié)構(gòu)。
the Quaternary Period in which human beings began to appear on the earth went into Ice Age again, it was the last time.
在人類出現(xiàn)在地球上的第四紀(jì)再一次進(jìn)入了冰河期,也就是最后一次。
Polymerizable quaternary ammonium surfactants are easy to modify the materials through the polymerization reactions.
因其具有可聚合雙鍵結(jié)構(gòu),使其易于通過聚合反應(yīng)對(duì)材料進(jìn)行修飾。
Around the world, a variety of climatic proxies demonstrate late Quaternary climate instability in a wide range of global significance.
世界各地多種代用指標(biāo)顯示晚第四紀(jì)氣候不穩(wěn)定性影響廣泛,具有全球意義。
The upper boundary of the model is phreatic surface, the bottom boundary is the base of the Quaternary.
模型的上邊界為潛水自由表面,下邊界為第四系底界;
An early form called Panel Call Indicator Pulsing used quaternary pulses to set up calls between a panel switch and a manual switchboard.
早期的一種形式叫做配電盤呼叫指示脈沖,它使用一些非標(biāo)準(zhǔn)格式的脈沖來設(shè)置兩臺(tái)配電盤交換機(jī)之間的呼叫。
The cool temperatures of the Quaternary may have allowed our brains to become much larger than those of our of hominid ancestors.
第四紀(jì)的涼爽氣溫或許讓我們的大腦比人類遠(yuǎn)祖的大腦更大。
The deposit concealed under Quaternary system, and with plenty of underground. water.
鐵礦床隱伏于第四系之下,地下水豐富,絕大部分賦存于第四系地層中。
In these thick-Quaternary-covering areas, does the date of the upper layers dislocated by the buried faults represent the latest faulting?
在這些第四系較厚覆蓋區(qū)發(fā)育的隱伏斷裂的上斷點(diǎn)是否代表了斷裂的最新活動(dòng)時(shí)代?
The moisture absorption humectant adopts trehalose quaternary ammonium salt as a moisture absorption moisturizing agent.
采用海藻糖季銨鹽的吸濕保濕劑,以海藻糖季銨鹽作為吸濕保濕劑。
Therefore, seismic shear wave detection can be used to divide Quaternary unconsolidated strata.
因此,可以選擇地震橫波勘探進(jìn)行第四紀(jì)松散層層序劃分及厚度探測(cè)。
It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary.
很明顯,在第四紀(jì),冰層已經(jīng)歷過生長(zhǎng)和消融的多個(gè)階段。
The pullulan aminoalkyl ether according to claim 1, wherein the pullulan aminoalkyl ether is in a form of a quaternary alkylamine salts.
根據(jù)權(quán)利要求1的普魯蘭氨基烴基醚,它應(yīng)該為季烷基胺鹽形式。
Quaternary Lixian sag is northwestern one of the secondary tectonic units of the Dongting basin.
第四紀(jì)澧縣凹陷為洞庭盆地西北部的一個(gè)次級(jí)凹陷。
Main compositions : double strands quaternary amine salt , solubilizing agent , softener and natural antibacterial essential oil .
主成份:新型無毒抗菌劑雙鏈季胺鹽、增溶劑、柔軟劑、天然抗菌芳香精油。
Transparent hair shampoo was prepared using poly siloxane quaternary ammonium salt microemulsion as a conditioner.
以聚硅氧烷季銨鹽微乳液為調(diào)理劑制備透明洗發(fā)香波。
Results of this study: groundwater, structures, collapse of the Quaternary are factors.
本文研究結(jié)果:地下水、構(gòu)造、第四系都是塌陷影響因素。
Computational experiments have shown that protein primary sequence contains quaternary structure information.
計(jì)算實(shí)驗(yàn)表明蛋白質(zhì)一級(jí)結(jié)構(gòu)包含著四級(jí)結(jié)構(gòu)信息。
The experimental results show that the vanadium-substituted P-Mo-V quaternary ammonium salts showed excellent catalytic oxidation capacity.
實(shí)驗(yàn)結(jié)果表明,釩取代的磷鉬釩雜多季銨鹽顯示出優(yōu)秀的催化氧化能力。
a great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
很多蛋白質(zhì)尤其是酶類,是低聚物,因此擁有四級(jí)結(jié)構(gòu)。
About 7~8 times of large-scale seawater invasions have taken place due to the neotectonic movement and climate change since the Quaternary.
自第四紀(jì)以來,由于新構(gòu)造活動(dòng)與氣候變遷,約有7~8次大規(guī)模海侵。
At the same time, the standard Quaternary stratigraphic system of the North China Plain had been established on the basis of previous study.
與此同時(shí),結(jié)合前人的研究成果,建立了華北平原第四紀(jì)地層的標(biāo)準(zhǔn)模式地層層系。
Storage-stable organosilane quaternary compounds are provided in the form of adducts with urea (clathrates).
本發(fā)明以與脲的加合物(籠形物)的形式提供儲(chǔ)存穩(wěn)定的有機(jī)硅烷季銨化合物。
The fast growth of the salt structure took place from the middle-late Pliocene to Quaternary, featuring quick and differentiated growth.
上新世中晚期一第四紀(jì)進(jìn)入快速生長(zhǎng)期,晚期鹽構(gòu)造生長(zhǎng)速率高且差別大。
The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.
依據(jù)實(shí)驗(yàn)測(cè)定的平衡溶解度數(shù)據(jù)及對(duì)應(yīng)的平衡固相,繪制了該四元體系的平衡相圖及其密度-組成圖。
Several Quaternary faults have been found in the Yangtze River estuary by high resolution multi-trace seismic surveying.
高分辨率多道地震調(diào)查表明,在長(zhǎng)江口及其附近海域發(fā)現(xiàn)數(shù)條第四紀(jì)斷層。
Underground water consists of Quaternary pore water, bedrock fissure water and ve in fissure water in structure zones.
礦區(qū)地下水類型有第四系孔隙水、基巖裂隙水和構(gòu)造帶脈狀裂隙水等三類。
Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.
莫高窟巖體在地質(zhì)學(xué)上屬第四紀(jì)沙泥質(zhì)、鈣質(zhì)半膠結(jié)礫巖,結(jié)構(gòu)十分松散。
Turning endlessly back upon itself, it was eventually lost in the fossilized ice of the Quaternary.
由于不斷地轉(zhuǎn)向自身,這艘船最后迷失在遠(yuǎn)古第四紀(jì)的化石冰原。
The quaternary system piezoelectric ceramic with good properties and suitable for stationary wave ultrasonic motor is prepared.
制備了性能優(yōu)良、適合于駐波超聲馬達(dá)的四元系壓電陶瓷材料。
These dating methods have made great progress in the quaternary geochronology and isotopic geoscience.
這些定年方法在第四紀(jì)地質(zhì)年代學(xué)和同位素地質(zhì)科學(xué)中獲得了很大進(jìn)展。
China's Datong group of volcanic Quaternary volcanic one of the group.
大同火山群是我國第四紀(jì)火山群之一。
Rock occurrence flat, vertical joints of the development, the missing Quaternary glacial were good for the formation of this landform.
巖層產(chǎn)狀平緩,垂直節(jié)理發(fā)育,第四紀(jì)冰期的缺失都為巖柱群地貌的形成提供了有利的條件。
Preferred cationic sequestrants are quaternary nitrogen compounds including medium or long chain alkyl groups.
首選季銨鹽陽離子螯合劑的氮化合物,包括中型或長(zhǎng)鏈烷基。
Previous research has concluded that biogenic gas of the Sanhu region is generated from Quaternary humic source rock.
在以前的研究中柴達(dá)木盆地三湖地區(qū)生物氣一直被認(rèn)為是完全由第四系腐殖型有機(jī)質(zhì)所生成的。
Quaternary Glacier played very important role in formation of mountain genera and species, endemic genera and species in southern China.
第四紀(jì)冰川對(duì)我國南部高山昆蟲屬、種及特有種的形成起到了重要的作用。
The Quaternary strata of Anhui Province are developed mainly in Huaibei Plain, Jianghuai Undulating Plain and Yanjiang Hilly Plain.
安徽省第四紀(jì)地層主要發(fā)育于淮北平原、江淮波狀平原和沿江丘陵平原。
Studies show that the formation of the ice bodies in the ice cave is related mainly to Quaternary glaciation.
初步研究表明,冰洞洞體的形成,主要與該區(qū)第四紀(jì)早期冰川作用有關(guān)。
We introduced one simple method of synthesizing quaternary ammonium fluoride and compared its reaction character as a fluridizer.
介紹了制備氟代季銨鹽的簡(jiǎn)便方法,并用其作為反應(yīng)的氟離子源比較了其反應(yīng)性。