yield 四级六级考研GMAT

The fertile valley yields abundant harvests each autumn.

肥沃的山谷每个秋天都出丰收。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

This method of cultivation produces higher yield.

这种耕作方法可提高量。

The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively.

反应条件温和,周期短,缩合反应的率达96.2％,环化反应的率达97.6％.

The clastic nodulus, yield stress and stress-strain relationship of two-phase particle composites can be predicted.

该模型由两个简单模型组成，它可以方便地预测不同体积的两相材料的弹性模量、应力—应变响应。

The quality per legumen and yields of Zaoyou No.1 was tiptop.

早优-号单荚质量和总量最高。

It suggested that illumination with sulfur lamp rendered cotton photomorphogenesis more favorable to yield formation.

应硫灯照射更有利于棉花植株的形态建成及量的形成。

The total yield of oryzalin was over 55%.

安磺灵的总收率在55％以上。

These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.

【文摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.

Effect of little-plants of Welsh onion (Alliums fistulosum L.) on yield was studied.

摘要对秋大葱不成株成因及其时量影响分析表明，遗传和栽培因素同时影响大葱不成株的生。

The brave soldier would as soon die as yield to such an enemy.

那位英勇的军人宁死也不肯屈服于这样的敌人。

Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.

以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%。

This treatise introduces the physicochemical property,reaction mechanisim,synthesis method and the yield of benzyl pyridin benzimidazolone.

对苄基吡啶基苯并咪唑酮的物化性质、反应原理、合成方法及收率作了详细叙述。

Yield and N uptake response by non-nodulated soybean to increased P availability is marginal.

不结瘤大豆对有效磷增加在量和氮吸收上的反应也不大。

East Indian tree with oily seeds yield chaulmoogra oil used to treat leprosy.

东印度的一种树，种子含油，可大风子油，于医治麻风。

Catabolite repression is considered as a main factor controlling yield of cellulases.

降解物阻遏是菌株控制其酶量的主要调节机制。

The tree yields an abundance of fruit.

这树结果甚多。

Yielding himself to his feelings of worthlessness, he tried to kill himself.

他总是觉得自己一无是处, 便企图自杀。

Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先，以甲苯和乙酸酐为原料，在催化剂三氯化铝存在下合成对甲基苯乙酮，并确定甲苯，乙酸酐和三氯化铝的最佳摩尔为4: 1: 2，收率为86.2%。

The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid. The method was characterized by fewer equipments, simple operation, low cost and quick yield.

采硝酸分解法可制取纯度高于99%的三氧化二铟.本法具有设备少、操作简单、成本低、见效快等优点.