The applications and production of 4,4 ′-diphenylmethane diisocyanate are described.

Synthesis of Diphenylmethane Catalyzed by Activated Carbon Modified with H_2SO_4

H2SO4改性活性炭催化合成二苯甲烷

Diphenylmethane would have a two proton peak.

二苯甲烷必定有一个二质子的峰。

Solution thermodynamics of alcohols in diphenylmethane by gas liquid chromatography

气相色谱法研究醇类在二苯甲烷中的溶液热力学

Production and Application of Diphenylmethane Diisocyanate in the World and its Market Analysis

国内外二苯基甲烷二异氰酸酯生产应用及市场分析

Study of Reproductive and Developmental Toxicity on Male Mice Caused by Fetal Exposure to Diphenylmethane Diisocyanate

二苯基甲烷二异氰酸酯胎儿期暴露对雄性小鼠的生殖发育毒性研究

The colours were an exact match.

颜色极为协调。

I've found a vase that is an exact match of the one I broke.

我找到了一只花瓶，和我打碎的那个一模一样。

Require exact match between source and destination ( data type, size, precision, scale, nullability)

要求在源和目的之间完全匹配（数据类型、大小、精度、小数位数和为空性）

Finally, design the matching algorithms with the matching fields, which contains the exact match algorithm and incremental matching algorithm.

最后，利用筛选出的患者身份匹配字段设计出患者身份匹配的具体算法，包括完全匹配算法和增量式匹配算法。

You can also define your own matcher or use an exact value.

你还可以定义自己的匹配器或者使用一个确定的值。

We would like to know the difference between the estimation accuracy of the theoretical exact value.

因此我们想知道上述兩种參數估计的差距。

The exact value of two-dimensional bandwidth for unit-interval graph is produced.

通过引进矩形链这一概念，给出单位区间图的二维带宽精确值。

Much effort has been put on getting the exact value of the performance ratio of the algorithm.

本文侧重给出一个论证方法，以得到该算法性能比的精确值。

But it is still incapable of exact search, because of its massive disadvantages.

但是，由于这种分类系统局限性较大，仍然难以实现精确的查找。

How to deal with the relation, of "exact search" and "fuzzy search".

网络数据库查询时的模糊查询与精确查询相结合的问题等等。

Through the harmonizing mechanism between master and slave level, and special translation function designed for the slave level, the algorithm could execute global exact search without relying on complex coding and complex genetic operators.

通过主-从协调机制和从级转换函数设计，使算法不依赖复杂的编码方式和复杂的遗传算子进行全局精确搜索。

First, the majority of the current SE schemes are limited to handling an exact search, not a similarity search; but the latter is an important need for all the current information retrieval systems.

首先，当前大多数可搜索加密方案局限于处理精确搜索，而非相似搜索；后者对于所有的信息检索系统来说是一个重要的需求。

Objective: To discuss the principles of perioperative management of gynecological surgery in diabetic patients.

前言：目的：探讨妇科疾病并糖尿病患者的围手术期处理。

111 this paper we discuss the principles, designs of SAW torque sensor and its wireless measurement system'

文章阐述了声表面波扭矩传感器的设计、结构及相应的无线测量系统。

【 Objective 】 To discuss the principles of diagnosis and treatment of early postoperative intestinal obstruction.

【目的】探讨术后早期肠梗阻的特点和诊断、治疗原则。