A research team tests a guinea pig's reaction to smog in a 1964 L. A. experiment.
1964年，一个研究小组在洛杉矶进行实验，测试豚鼠对于烟雾的反应。
The existence of L-Cysteine resulted in prolonging the lag time of the enzyme reaction, while the steady-state rate of the enzyme activity decreased with the increase of concentration of L-Cysteine.
实验发现L-半胱氨酸对该酶有明显的抑制作用，它的作用可以导致马铃薯多酚氧化酶的酶促反应的迟滞时间延长，同时使稳态酶活力下降。
The controlling step of the ageing reaction for the directing agent of zeolite L is directional polymerization between aluminosilicate oligomers or between aluminosilicate and silicate oligomers.
沸石导向剂陈化反应的控制步骤是低聚态硅铝酸根离子之间或低聚态硅铝酸根离子与低聚态硅酸根离子之间的定向聚合反应。
L-sorbose has inhibitory effect to the reaction.
山梨糖对该反应有抑制作用。
Methods Some significant parameters of DALP reaction procedure were investigated and optimized by taking the DNA genome for the plants of Rhodiola L. as template.
方法以红景天基因组dna为模板，对DALP反应程序的一些重要参数进行摸索和优化试验。
The mesomeric reaction of L-cystine is greatly affected by the neutralizing temperature and rate as well as the basicity of neutral agent.
中和温度中和速率和中和剂的碱性强弱对L-胱氨酸的消旋化反应影响极大。
Results The results showed that there were obvious stone cells of testa characteristics, alkaline reaction, and different UV in the seeds of Datura stramonium L. var. tatula Turrey.
结果紫花曼陀罗子种皮石细胞特征明显，具生物碱的化学反应特性，并且两者紫外光谱差异大。
The kinetic equations obey the L-H mechanism of triangular reaction of isomerization of butene.
动力学方程服从丁烯异构化三角反应的L - H机理。
Objective Direct amplification of length polymorphism (DALP) as a new molecular marker was used to establish a set of stable DALP reaction system for the plants of Rhodiola l.
目的利用直接扩增片段长度多态(DALP)这一新分子标记技术建立一套稳定的红景天属植物的DALP反应体系。
This paper reports on oscillatory reaction using L-leucine as unitary organic compound.
本文报导了白氨酸—乙酸丁酯为复合有机底物的化学振荡反应。
Levetiracetam was prepared from L-methionine via reduction-dethiomethylation, esterification, ammonolysis, amidation and intramolecular cyclocondensation reaction with 44.6% overall yield.
以蛋氨酸为原料经还原脱硫甲基化、酯化、氨解、酰胺化及分子内缩和成环4步反应合成得到了左乙拉西坦，总收率44.6%。
Colorimetry of chromatic acid may be used to determine the concentrations of L-serine and formaldehyde in the reaction solution.
铬变酸比色法可用于测定酶反应液中甲醛浓度。
To improve significantly the biosynthesis of isovaleryl-L-carnitine catalyzed by lipase needs to select an efficient and suitable reaction medium that is not only polar but also hydrophobic.
异戊酰- L -肉碱的酶催化合成需要选择疏水、极性的溶剂作为反应介质。
Poly(succinimide)(PSI) was synthesized by polycondensation of L-aspartic acid in a solvent. The effects of the catalyst, reaction time and solvent on the reaction were studied.
以L 天冬氨酸为原料，采用溶剂法合成聚琥珀酰亚胺，并研究了催化剂、反应时间和混和溶剂配比对反应的影响。
The effects of reaction temperature, time, ratio of liquid to solid (L/S), atmosphere and catalysts on liquefaction of microcellulose and bagasse were investigated in detail.
探讨了反应温度、时间、液固比、液化气氛、催化剂等因素对微晶纤维素、蔗渣液化转化率以及各相产物分布的影响。
Objective: To investigate the characteristics of adverse drug reaction (ADR) in children caused by L-asparaginase (L-ASP) from clinical practice, and to provide reference for rational use of drugs.
目的：以临床实例出发探讨左旋门冬酰胺酶不良反应在儿童的发生特点，为临床用药安全提供依据。
It explained that reformed CTAB method could extract the genomic DNA of Pyrus successfully, and the optimum RAPD reaction system could amplificate RAPD in Pyrus L…
说明改良的CTAB法能成功用于梨属植物DNA提取，建立的最佳反应体系可用于梨属植物RAPD扩增。
Effects of carbon sources, nitrogen sources and growth factors on the bioactivity inhibition of non-enzymatic glycation reaction of biotransformation products of Ginkgo biloba L.
试验以抑制非酶糖基化反应活性为指标，通过单因素试验筛选了适宜碳源、氮源、无机盐以及复合营养因子，通过正交试验进一步优化培养基组成。
First we select a Pt(IV) model drugs Na_2PtCl_6 to oxidate L- cysteine and L- cysteine hydrochloride, and study the kinetics of the reaction.
对L-半胱氨酸及其盐酸盐是一级反应的实验结果，建立了半光氨酸一个前期平衡的化学动力学机理，根据该机理圆满解释了实验现象和结果。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
研究了D,L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
In the batch reaction with high ratio of substrate to catalysts, the rate? Controlling step was determined by measuring the concentration variation of produced L-alanine in solution.
在近似无限浴的条件下，通过测量间歇拆分反应产生的L -丙氨酸的浓度变化规律，判断反应过程中的速率控制步骤。
The HPLC analysis of L-ascorbic acid-2-phosphate in the phosphorylation reaction mixture was studied.
磷酸化反应是合成的关键步骤，建立了磷酸化反应的高效液相色谱分析方法。
The process diagnosis for synthesizing reaction of N-acetyl-L-cysteine (NAC) was established by thin layer chromatography (TLC) and TLC-scanning.
建立了用薄层层析和薄层扫描法对N-乙酰-L-半胱氨酸合成进行流程诊断的方法。
This text studied the technology about sodium sulfite and L-ascorbic acid restrain Maillard reaction which produces pigment accompanied with hydrolysis of casein.
本文探讨了亚硫酸钠和L-抗坏血酸抑制酪蛋白在水解过程中发生褐变的技术。
Objective: to approve there are common antigen epitopes and cross-reaction lying between oilseed rape Brassica campestris l.
目的：证实油菜花粉和蒿草花粉存在共同抗原决定簇和交叉反应。
Two new complexes of L-lysine, L-threonine and Arsenic triiodide were synthesized by the solid phase reaction and characterized by elemental analysis, XRD, UV spectra and IR spectra.
以L-赖氨酸、L-苏氨酸和三碘化砷为原料，采用室温固相合成法合成了两种新型氨基酸砷配合物。
The reaction conditions of producing the chelate of L-Aspartic acid with calcium from L-Aspartic acid were studied.
以甘氨酸和氢氧化钙为原料、用固相化学法合成了甘氨酸钙络合物，用正交实验选择了最佳合成条件。
The reaction conditions of producing the chelate of L-Aspartic acid with calcium from L-Aspartic acid were studied.
以甘氨酸和氢氧化钙为原料、用固相化学法合成了甘氨酸钙络合物，用正交实验选择了最佳合成条件。
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