light demander是什么意思

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用法例句

A simple, rapid and sensitive method for the determination of contents of camptothecin (CPT) and 10-hydroxycamptothecin (HCPT) in Camptotheca acuminata Decne.

样品制备以60%的乙醇作溶剂,在60℃下超声波提取喜树种子50min。

For knowing the adaptation of karst plants to karst Environment,one-year seedings of 3 Calcicolous trees(Eurycorymbus cavaleriei (Levl.

为了阐明喀斯特植物对喀斯特生境的适应机制,本文选取喀斯特森林喜钙树种——伞花木( Eurycorymbus cavaleriei (Levl。

The preparation of biodiesel from Camptotheca acuminata Decne.

研究了在微波辐射条件下硫酸催化酯交换反应转化喜树种子油制备生物柴油的工艺,同时采用HPLC分析了生物柴油产品中主要脂肪酸甲酯成分及其质量分数。

STUDY ON COMPOSTING THE SEEDS AND LEAVES OF CAMPTOTHECA ACUMINATA DECAISNE AFTER THE CPT EXTRACTED;

提取过喜树碱的喜树种子、树叶堆制肥料的研究

Variation of Camptothecin Content during the Seeds Germination and Seedlings Development of Camptotheca Acuminata;

喜树种子萌发和幼苗发育过程中喜树碱含量的变化

Preparation of biodiesel from Camptotheca acuminata Decne. seed oil by acid catalysis under microwave irradiation

微波辐射酸催化喜树种子油制备生物柴油工艺

Effect of Environmental Factors on the Growth and Camptothecin Concentration of Camptotheca Acuminata Seedlings;

环境因子对喜树幼苗生长和喜树碱含量的影响

The beeches, oaks and chestnuts all belong to the same family.

山毛榉树、橡树和栗子树属于同科树种。

Influence of Population Density on Plant Biomass and Camptothecin Content in Camptotheca Acuminata Seedlings;

种群密度对喜树幼苗生物量及喜树碱含量的影响

Effect of Mixed Inoculation with Arbuscular Mycorrhizal Fungi on the Growth and Camptothecin Content in Camptotheca acuminata Seedlings

混合接种菌根真菌对喜树幼苗生长及喜树碱含量的影响

Efficiency of Inoculation with Arbuscular Mycorrhizal Fungi to Camptotheca Acuminata Seedlings;

丛枝菌根真菌对喜树幼苗的接种效应

Synthesis Research of Two Kinds of Water-Soluble Camptothecin Derivatives;

两种水溶性喜树碱衍生物的合成研究

Effect of Elicitors on the Content of Camptothecin and the Activity of Tryptophan Decarboxylase(TDC) in Camptotheca Acuminata Seedlings;

诱导子对喜树细菌中喜树碱含量及色氨酸脱羧酶活性的影响

The children thrilled with joy at the sight of the Christmas tree.

孩子们一看到圣诞树简直欣喜若狂。

an uncultivated plum tree or shrub.

野生的李子树种或灌木。

Seed and seedling of tea plant

GB11767-1989茶树种子和苗木

Tree propagate themselves by seed.

树木藉着种子繁殖。

a disease blackening the leaves of pear and apple trees.

使梨树或苹果树叶子发黑的一种

it is the season for the climbing fig to blossom. I like that flower very much.

又到了木莲树开花的季节, 我特别喜欢这种花。

The fruit grower was surprised by his "almondprune" plants.

那个果园主看到这种“杏梅树”时大为惊喜。

Study on Optimal Process of Same Peak Value of CPT and Hcpt of Seed Bud in Camptotheca Acuminata;

喜树种芽的CPT和HCPT同期峰值最佳工艺条件研究