室温

This paper studied competing reaction parameters of isocyanate with alcohol and water at room temperature based on its independent reaction.

摘 要：本文基于异氰酸酯分别与醇和水的独立反应，研究求解了异氰酸酯在室温下与醇和水的竞争反应参数。

The theoretical deduction and many experiments discovered that reaction of isocyanate with water is second order in room temperature, and the water and isocyanate are first order to the rate respectively.

通过理论推导和大量实验证明，室温下异氰酸酯与水的反应可以使用准二级方程描述，水和异氰酸酯基的分级数都是1。

Judson room temperature PbSe provides exceptional performance with minimum peak D* two to three times what other manufacturers offer as standard specifications.

judson室温pbse提供优异的性能与最低峰d * 2时58倍，其它的制造商提供，作为标准规格。

Second, we investigated the aldol reactions of the specialα-oxo ketene dithioacetals with aromatic aldehydes under the mild conditions in good yields.

在温和的条件(室温、30℃)下，高产率地实现了α-羰基二硫缩烯酮与芳香醛的缩合反应。3。

No reactions were observed for reactions of benzodiazepines with ketene atroom temperature; but the reaction of benzothiazepines with monochloroketene gave[2+2] cycloadducts .

发现在室温下苯甲酰基苯并二氮杂卓与烯酮没有反应，而苯并硫氮杂卓与一氯烯酮形成了正常的β-内酰胺环产物。

The kumquat were coating by different concentration of chitosan.

用不同浓度的壳聚糖作为涂膜剂对金柑进行涂膜处理，在室温条件下贮藏保鲜。

Aiming at the laigh thermal conductivity of magnetic refrigerant materials, this paper presents a new technical scheme named vacuum diffusion bonding, which can improve its thermal conductivity. The results indicate that under the condition of temperature ranging from 550℃ to 620℃ in holding time ranging from 30 min to 120 min and a pressure ranging from 12 Mpa to 20Mpa, both Gd and Cu can effectively bond together.

针对室温磁制冷材料Gd本身导热系数低特点，提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案，在温度为550~620℃，压强为12~20Mpa，保温时间为30~120min条件下，实现了扎和铜异种材料连接，并比较了在锐基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。

Aiming at the laigh thermal conductivity of magnetic refrigerant materials,this paper presents a new technical scheme named vacuum diffusion bonding,which can improve its thermal conductivity.

针对室温磁制冷材料Gd本身导热系数低特点，提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案，在温度为550~620℃，压强为12~20Mpa，保温时间为30~120min条件下，实现了钆和铜异种材料连接，并比较了在钆基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。

Lamination will achieve best bond strength in about 24 hours.

复合后在室温24小时左右达到最佳的复合强度。

The absorption and reflection properties of the sublimated BTN-SubPc thin film are pretty good at 500 nm～650 nm, which matches well with the wavelength of semiconductor laser used in digital versatile disk systems.

在室温下测试了该亚酞菁染料在溶液和薄膜态的吸收光谱、薄膜态的反射和透过光谱，发现该薄膜在500nm～650nm波长范围内具有优良的吸收和反射特性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐