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【医】【=a compound structurally related to l-glyceraldehyde】（化学前缀）左型（与d-相对构型），碳水化合物中表示具有与l-甘油醛同样的构型者为l-构型族
双语例句
- Calcareous soil-Alkaline soil with high levels of calcium and Magnesium carbonate.
l石灰性土-含有大量碳酸镁和钙质的碱性土壤。 - Synthesis and Crystal Structure of cis-( Bisethylenediamine) dinitro cobalt(ⅲ) tartrate
顺式-二（乙二胺）二硝基合钴（Ⅲ）（d，l）酒石酸盐的合成与晶体结构 - Analysis through infrared spectrum, melting point determination, and paper chromatography, the crystal was identified as 2-keto-gluconic acid.
通过对所获晶体的红外光谱分析、熔点测定、纸层析鉴定，证明所获晶体确为维生素C前体2－酮基－L－古龙酸（2－KGA）。 - By use of the specially designed testing devices, the P-f ( acoustic emission rate) curve, P-Δ l_v and P-Δ l_n curves of such a material have been drawn simultaneously throughout the process of longitudinal and latitudinal extension.
使用了专门设计的试验装置，能同时绘出该材料在经、纬向拉伸全过程的P～f（声发射率）、P～Δl纵和P～Δl横曲线。 - Zinc above 10-4 could inhibit osteoblast differentiation and reduce ALP activity and protein synthesis.
当锌浓度超过10－4mol／L，达到10－3mol／L时，可抑制成骨细胞的分化，使ALP活性下降，蛋白质合成减少。 - Objective To investigate effects of different dialyzed membrane on transforming growth factor ( TGF-β 1) and monocyte chemoattractant protein ( MCP-1) plasma levels in maintenance hemodialysis ( MHD) patients.
目的研究不同透析膜对维持性血液透析（MHD）患者外周血转化生长因子β1（TGF－β1）及单核细胞趋化蛋白－l（MCP－1）水平的影响。 - L_9 ( 3~ 4) orthogonal design was adopted to screen out the optimal treatment group, which was characterized by the optimal ratio of cellulose, β-glucanase, xylanase and a-amylase.
采用L9（3~4）正交设计筛选出最佳配比的纤维素酶、β-聚糖酶、木聚糖酶和a-淀粉酶处理组； - The other is that a reactive element is connected with the input cavity to change its resonance frequency f0 and QL and then to improve the gain-frequency characteristics of the klystron.
另一是在输入腔外接&电抗元件，用来改变输入腔的谐振频率f0和QL，以达到改善速调管增益-频率特性的目的。 - The finite element method is presented for solving the nonlinear evolution Cahn-Hilliard equation. Optimal order error estimates is derived in L_2 norms by means of a finite element biharmonic projection approximation.
建立了求解非线性发展型Cahn-Hilliard方程的有限元方法，借助于一个双调和问题的有限元投影逼近，给出了最优阶L2模误差估计。 - We start our discussion with the introduction of the basic theory such as the definition, algebraic properties and theorems of the a-stable distribution.
本文首先介绍了有关非高斯α-稳定分布的研究意义及有关定义、性质、定理等基本理论，讨论了在α-稳定假设下使用最小离差误差估计准则，即等价于最小Lp范数估计。 - This paper gives a kind of modified discrete interpolating integrable op-erators of exponential type, studies its properties of approximation and gives the rate of convergence with the help of Cauchy principle value of integral.
本文给出一类离散指数型线性积分修正插值算子，而且借助Cauchy主值积分给出了其在Lp（-∞，∞）中的收敛速度。 - Visible Photoluminescence has been observed in crystallized a-Si: H/ a-SiNx: H multilayer structures at room temperature.
在晶化的α-Si：H/α-SiNx：H多层膜结构中，当α-Si：H子层厚度Ls≤40A时，我们首次观察到室温下可见光致发光现象。 - The ( 0,1)-labeling numbers of some special graphs are given. The definition of ( 0,1)-edge span is proposed and some precise values of several famous graphs are listed.
给出几种特殊图的L（0,1）-标号数，L（0,1）-边跨距的定义以及几类特殊图的L（0,1）-边跨距的具体值。 - The determination of manganese by MIP-AAS was studied systematically in this paper.
本文分别研究了以L形和T形放电-吸收管进行锰的MIP-AAS测定的情况。 - Inhibition effect of tea polyphenol on the activity of DNA primase-polymerase α complex from tumor L_2 cells in mice
茶多酚对小鼠肿瘤L2细胞DNA引物酶-多聚酶α复合体活性的抑制作用 - Special properties of malic acid by biosynthesis method have been introduced in this paper, and its preparating and seperating ways were discussed. Malic acid application and developing trends were also pionted out.
介绍了生物法苹果酸L（-）-苹果酸的特殊性质，讨论了其生产方法和分离方法，指出了L（-）-苹果酸应用的发展方向。 - Based on the adoption of l_ ∞-norm in structure risk to control model complexity, linear programming based support vector machine ( SVM) are presented, and the speed of simplex method is increased by solving dual programming problem.
在结构风险中采用l∞-范数来控制模型复杂性的基础上，提出基于线性规划的支撑向量机，并通过求解对偶规划来提高单纯形学习算法的计算速度。 - This paper surveys some methods for solving minimum L1-norm Estimation through mathematical programming, which include ( 1) simplex method, ( 2) dual linear programming, ( 3) gradient projection method and ( 4) active set method.
本文就最小L1-模估计的计算，介绍几种求解的数学规划方法，它们包括：（1）单纯形方法；（2）L1-模估计的对偶规划方法； - The Asymptotic Variance-covariance Matrix in L_q-norm Estimate and Its Characteristic
Lq估计的渐近方差-协方差矩阵及其特点 - L_ ∞ error bounds for some nonlinear integrodifferential equations by finite element approximations
非线性积分微分方程有限元逼近的L∞-模误差界 - Thirdly, we study the a-invariant Radon measures for random walks and Levy processes and give some nice ratio limit theorems that is relative to the a-invariant Radon measures.
同时我们研究了随机游动和Lévy过程的α-过分函数和α-过分测度，并给出过程沿着矩母函数的次微分方向趋于α-不变Radon测度的一些比例极限定理。 - Auger electron emission from Si, Al and Si_2N_4 excited by low-energy(≤ 4 keV) Ar~+ bombardment as well as the relationship between the L_ ( 2,3) MM peak-to-peak ampli-tude and Ar~+-excited energy have been studied.
研究了Si、Al和Si3N4等材料的低能（≤4keV）Ar~+激发的俄歇电子谱及其L（2,3）MM峰-峰值与Ar~+离子激发能量的关系。 - Concentrations of TNF-α, IL-1 β and IL-6 in plasma, ultrafiltrate and dialysate were measured 0, 1, 2, 4, 6 and 8 hours after HVHF and HD by ELISA.
酶联免疫法检测治疗前和治疗1h、2h、4h、6h和8h时血、超滤液及透析液中TNF－α、IL－lβ、IL－6的浓度（单位均为ng／L）。 - (-) Some measures should be taken in order to avoid the Incident ( 1) Two kinds of contradictions with different qualities must be distinguished and dealt with.
（一）为防止波匈事件在中国出现而采取的措施：l、必须正确区分和处理两类不同性质的矛盾； - Therefore, the paper takes the frame-shear wall structure located in high seismic intensity region as research object, emphatically discussing the comprehensive impact of layout of shear walls on horizontal earthquake effects of both overall structure and shear walls.
因此，本文以高烈度区的平面L形框架-剪力墙结构为研究对象，重点探讨剪力墙的布置对整体结构的水平地震作用效应和剪力墙受力的综合影响。 - This paper proposed the probability model of satisfactory communication and established the probability satisfactory communication model of the rxlev, the distance between BS and MS, the speed of train.
l本文提出了满意通信概率模型，对接收信号电平、基站-移动台的距离、列车运行速度等越区切换事件的强关联参数建立了满意通信概率模型。