Results 221 to 230 of about 833,358 (231)

[Deep eutectic solvent and improved needle filter-based liquid-membrane microextraction combined with high performance liquid chromatography for the determination of sulfonamide and fluoroquinolone residues in milk]. [PDF]

Se Pu
Xu RM, Wu YY, Gu ZH, Wei W, Lu XY, Xia ZH.   +5 more
europepmc   +1 more source

OMDS 标准入库样本 · 第026号 OMDS Standard Archival Sample · No.026欧拉幂和猜想的公理级顶层证伪:测度叠加的维度禁戒边界与项数外推的过度约束判定Axiom-Level Top-Level Disproof of Euler's Conjecture on Power Sums: Dimensional Forbidden Boundaries of Measure Superposition and Over-Constraint Judgement for Term Number Extrapolation

洋洋 郭
openalex   +1 more source

[Case-based teaching with both positive and negative examples in undergraduate analytical chemistry laboratory： determination of six nitrogen-containing pesticides in environmental samples by solid-phase microextraction-high performance liquid chromatography]. [PDF]

Se Pu
Zhang J, Zhang XZ, Zhang Z, Liu JW, Wang XM.   +4 more
europepmc   +1 more source

OMDS 标准入库样本 · 第022号 OMDS Standard Archival Sample · No.022费马大定理的公理级顶层演绎:整数维测度的阶跃约束与二元叠加的维度临界阈值证明Axiom-Level Top-Down Deduction of the Three-Dimensional Poincaré Conjecture: Proof of the Duality of Topological Degrees of Freedom of Closed Cross-Sections Under Dimensional Constraints and the Topological Uniqueness of Simply Connected Manifolds

洋洋 郭
openalex   +1 more source

[Quantitation of cow's milk allergen in hypoallergenic infant formulas using ultra-high performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Xu DK, Yang Y, Huang HL, Sun XJ, Hu WY, Liu XM, Yang J.   +6 more
europepmc   +1 more source

I-S01波函数、测量、不确定性、纠缠与经典极限的结构重写

汉 罗
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[Establishment and application of a UPLC-MS/MS method for the determination of tiletamine and its metabolite in biological samples]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Cai Z, Yan W, Li J, Ding Y, Ling J.
europepmc   +1 more source

SAE Black Hole Series, Paper 3 Exclusion of Uniform Strict Potentials and Stratified Monotonicity in Discrete Black-Hole Interiors: Refuting the Same-Shell Bridge, Nested Observation Kernels, and the Release-Order Fork / SAE 黑洞系列 Paper 3 离散黑洞内区的势定界与分层单调:同壳桥之否决、观测核之嵌套,与释放序之分岔

Han Qin
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基于安徽黄山森林生态系统定位观测研究站的固碳增汇机制与关键技术研究

懿苒 蔡, 士永 黄, 晶晶 王, Su ShouXiang, 学雨 宋   +4 more
openalex   +1 more source