氨化

Calcium cyanamide is poisonous and irritating to the skin .

氰氨化钙是毒性物质，对皮肤有刺激性。

This method can exactly determine calcium fluoride in the calcium cyanamide charging.

该方法可以准确测定出氰氨化钙炉料中氟化钙的含量。

Through the test in the field, the influences of the different concentration gradient of Calcium cyanamide on peanut's yield and economic benefit were studied in the same environmental condition.

方法］通过田间试验，在相同环境条件下，研究不同浓度梯度的氰氨化钙肥对花生产量和效益的影响。

A new process,urea- calcium cyanamide method,for producing thiourea from urea and hydrogen sulfide is proposed.

利用尿素和硫化氢等原料制备硫脲，提出了尿素-氰氨化钙法新工艺。

This Calcium cyanamide made by Germany was perfect fertilizer to peanut.

结论］德国产新型氰氨化钙肥是花生较为理想的肥料。

Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.

采用氟离子选择电极法测定氰氨化钙炉料中氟化钙的含量，进行了条件和应用试验。

"Cyanamidealsocyanamid:a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid."

"氨基氢：一种腐蚀性的酸性晶体化合物，NHCNH，可通过硫酸作用于氢氨化钙制取。"

"Cyanamidealsocyanamid:a caustic acid ic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid ."

"氨基氢：一种腐蚀性的酸性晶体化合物，NHCNH，可通过硫酸作用于氢氨化钙制取。"

Dimethyl N-cyanodithioiminocarbonate was facilely synthesized from calcium cyanamide, sodium carbonate and carbon disulfide, using dimethyl sulfate as a methylating agent in aqueous phase with an overall yield of 72% and purity of 99%.

用氰氨化钙、碳酸钙和二硫化碳等为原料，硫酸二甲酯为甲基化试剂，采用水相合成工艺制得荒酸二甲酯，总收率72%，纯度99%。

The present experiment was conducted to investigate the influence of urea-saline- calcium hydroxide compounded disposal on maize straw nutrition value.

试验旨在探讨玉米秸秆的氨化－碱化－盐化复合处理对其营养价值的影响。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。