quaternary的例句大全

Determination of quaternary phosphonium salt tributyl tetradecyl

季粦盐三丁基十四烷基氯化粦（TTPC）的测定

互联网摘选

An improvement of volumetric method for determination of potassium with sodium tetraphenylboron and quaternary ammonium salt

四苯硼酸钠季铵盐容量法测定钾的改进

互联网摘选

In the Quaternary formation and Upper-Tertiary formation of Yinggehai Basin, except for abnormal pressure and compaction, there are mainly four factors affecting acoustic time, which are lithology variation, cementation, gas in the formation and crack.

莺歌海盆地第四系和上第三系地层内除异常压力和压实作用外，影响声波时差的因素主要有岩性变化、成岩胶结作用、地层含天然气及裂缝的存在。

互联网摘选

The tectogenesis in the Quaternary period of the Dongting Basin

洞庭盆地的第四纪构造活动

互联网摘选

Late Quaternary tectonic deformation and earthquake hazard in continental China

中国大陆岩石圈最新构造变动与地震灾害

互联网摘选

The method of tectonic geomorphology was used to study tectonic activity and geomorphological features of Su-Lu segment in late Quaternary.

应用构造地貌学方法分析了断裂带晚第四纪构造活动及地貌特征；

互联网摘选

Analysis of the data about strata, tectonic geomorphology and fault activity indicate that newest activity of the south of Nujiang fault is early-middle Pleistocene, namely, there is no obvious signs of activity since late Quaternary.

综合地层、构造地貌和断层活动的资料认为怒江断裂带南段在早-中更新世有过活动，而晚第四纪以来没有明显的活动迹象。

互联网摘选

Offset features and earthquakes on the median tectonic line in southwestern Japan in Late Quaternary

西南日本中央剪切构造带晚第四纪以来位错特征与地震

互联网摘选

The essential characteristic and determination method of two types of phase diagrams for the multicomponent systems were studied. One is pseudo ternary phase diagram, and the other is n-tetrahedroid quaternary phase diagram.

以四组分为主，探讨了多组分体系两类相图的基本特征与制作方法，第一为伪三组分相图，第二为正四面体相图。

互联网摘选

The discussion centers on ternary and quaternary logic.

文章着重讨论了三值逻辑与四值逻辑的纠错。

互联网摘选

Flocculation of kaolin suspensions using ternary polymerization flocculant ( CAS) synthesized by chitosan ( CTS), acrylamide and ethyl acrylate quaternary ammonium salt was investigated in lab-scale.

采用烧杯混凝实验研究了壳聚糖（CTS）、CTS与丙烯酰胺和丙烯酸乙酯季铵盐三元接枝共聚阳离子絮凝剂（CAS）对高岭土悬浊液的絮凝特性。

互联网摘选

Thermoluminescence Dating of the Late Quaternary Loess Sequence along the Huining Section

末次间冰期以来会宁黄土剖面的热释光测年

互联网摘选

Based on the satellite images, combined with field surveys and thermoluminescence dating of Quaternary sediments, the authors explain and analyze the step-like landform system of the Gonghe basin.

利用卫星遥感影像，结合实地调查和测年结果，对共和盆地层状地貌系统进行了解译、分析。

互联网摘选

Methods Chloroacetic acid was treated with thionyl chloride, amines and triphenylphosphine to provide quaternary phosphonium salts, which were treated with phthalic anhydride to get the target compounds by the Wittig reaction. The pure products were obtained by silica gel column chromatography.

方法以氯乙酸为起始原料，依次与氯化亚砜、胺、三苯膦反应制得季磷盐，再与邻苯二甲酸酐经Wittig反应制得目标化合物，硅胶柱色谱得纯品。

互联网摘选

The Features of Quaternary Sedimentary Strata in the Region of Lianyungang

连云港地区第四纪沉积地层特征

互联网摘选

The important technique of dating quaternary: uranium series dating technique by thermal ionization mass spectrometry

第四纪年代学的利器：热电离质谱铀系定年技术

互联网摘选

New technique of the DATING QUATERNARY materials: the development of the thermal ionization mass spectrometry-u series method

第四纪年龄测定的新技术&热电高质谱铀系法的发展近况

互联网摘选

Thus dynamic features of geothermal water table in thermal storage layer of quaternary period and bedrock and funnel distribution were compared and analyzed according to exploitation intensity and space-time distribution of thermal water level.

针对这一状况，从开采量及热水水位时空分布的角度，对比分析了第四系热储层及基岩热储层中水位的动态波动特征及漏斗展布状况。

互联网摘选

Stratigraphic subdivision and climatic change of the Quaternary of the center Taklimakan Desert

塔克拉玛干沙漠腹地第四纪地层划分与环境变迁

互联网摘选

The ionic liquids formed from anhydrous AlCl 3 with low-carbon-chain quaternary ammonium salt such as tetrabutylammonium bromide or triethylamine hydrochloride exhibit the advantage of easy separation from reaction mixture. The isolated yield of 1,2-bis ( 3,4-dimethylphenyl) ethane is in the range of 40%~ 60%.

短碳链季铵盐四丁基溴化铵或三乙胺盐酸盐与无水AlCl3形成的离子液体具有与产物易于分离的优点，1,2-双（3,4-二甲基苯基）乙烷的分离产率为40%～60%。

互联网摘选