shorten a ladder是什么意思

网络释义

用法例句

t has been found for the first time that ethanol can be conveiedmainly into 1-botanol by a bimolecular condensation on alkali zeolites.

首次发现在碱金属Ｘ沸石上乙醇能够发生以正丁醇为主产物的双分子缩合反应。

Basic Catalysis of Zeolites-Bimolecular Condensation of Ethanol

沸石的碱性催化——乙醇双分子缩合反应

intermolecular condensation

分子间缩合[作用]

LEAKAGE ANALYSIS OF CO_2 TWO STAGE ROLLING PISTON COMPRESSOR

CO_2双级滚动转子压缩机泄漏分析

Dipole squeezing of a Λ-type three-level atom interacting with two-mode entangled coherent field

双模纠缠相干光场与Λ型原子耦合系统中原子的偶极压缩效应

intra-molecular condensatio

分子内缩合[作用]，成环[作用]

Knoevenagel-type Condensation Reactions Promoted by Organocatalyst;

有机小分子促进的Knoevenagel类缩合反应

Study on the Lewis Acidic Ionic Liquids Catalyzed Synthesis of Bisphenol A Via Condensation of Phenol with Acetone;

酸性离子液体催化苯酚与丙酮缩合合成双酚A反应的研究

Squeezing of the field in the system of two-mode entangled coherent states interacting with a Λ-type three-level atom

双模纠缠相干光场与Λ型原子耦合系统中光场的压缩效应

The Calculation of the Boltzmann Bilinear Operator for Maxwellian Molecules of Gas-Mixture;

混合气体Maxwell分子双线性Boltzmann算子的计算

Synthesis of Polymericial Amphiphilic Polymer by Using Macromonomer;

大分子单体法合成反应性双亲聚合物

The Scaling Behavior of the Molecular Parameters of the Hyperbranched Polymers Made by Self-Condensing Vinyl Polymerization;

自缩合乙烯基聚合反应分子参数的标度研究

Development of Polymerizable Rosin-Based Monomer Used for Step Polymerization

可缩合聚合松香基高分子单体的研究进展

Study on features of squeezed state two photron in absoption medium;

压缩态光场在双光子吸收介质中传播的时空特性分析

RAFT Dispersion Polymerization of Methyl Methacrylate and Tripropylene Glycol Diacrylate

甲基丙烯酸甲酯与三缩丙二醇双丙烯酸酯的RAFT分散聚合研究

Research on Catalytic Activity of Modified HZSM-5 Catalyst on Aldehyde-ammonia Condensation;

改性HZSM-5分子筛催化醛氨缩合反应活性的研究

Study on Supramolecular Chemistry Characteristics of Some Thiosemicarbazones and Derivatives;

某些缩氨基硫脲类化合物超分子化学特性研究

Complexes with Strong Two Photon Absorption: Synthesis, Structure and Properties of Complexes Derived from the Ligands S-Methylenedithiocarbazates;

强双光子吸收配合物——缩肼基硫代酸酯类配合物的合成、结构与性质研究

Manufacture of Double Draught Canister Composite Molecule Pump

双筒牵引复合型分子泵的研制(英文)