化工专业英语求翻译

annealing at 800 C under a nitrogen atmosphere, a yellow-colored
powder was obtained as a B-N-O intermediate product, which might
have the formula B4N3O2H [21a]. The yellow powder was further cal-
cined at 600 C in air for 2 h to give a white B-N-O product containing
more oxygen. The as-prepared B-N-O precursor was put into a big
graphite crucible. A small BN crucible containing AlCl3 was placed
above this crucible. The components were enclosed in a graphite sus-
ceptor and heated in an induction furnace. The furnace was evacuated
and introduced into a pure Ar gas flow. The furnace was heated step
by step. When the temperature was about 950 C the gas flow was
switched to pure NH3/N2 (N2 100 mL min±1, NH3 200 mL min±1).
After that the temperature was increased to, and maintained at,
1200 C for about 1.2 h. The temperature was then increased further.
The position of the big graphite crucible containing the B-N-O precur-
sor was adjusted to ensure that the B-N-O precursor was heated at
1600 C. The atmosphere was a N2/NH3 flow with the same rate as in
the first stage. After about an hour coaxial tubular single-crystalline
cubic-AlN nanotubes with a BN coating were obtained. The products
were examined on an X-ray diffractometer (RINT 2200HF) and a
high-resolution transmission field emission electron microscope
(HRTEM) (JEM-3000F) attached to an X-ray energy dispersive spec-
trometer (EDS).

退火在800 ?C在氮气气氛下,一个黄色的色
得到的粉末作为BNO中间产品,这可能
具有下式B4N3O2H 〔21a〕 。黄色粉末是进一步校准
在600 cined下于空气中2小时,得到白色BNO含产物的
更多的氧气。所制备的英国国民(海外)前体投入一个大
石墨坩埚。含有氯化铝被放在一个小的BN坩埚
该坩埚以上。这些组件被封闭在石墨悬浮
受体,在感应炉中加热。然后将该炉抽空
引入一个纯Ar气流。将炉子加热步骤
一步。当温度为约950℃ C的气流量为
切换到:纯NH3/N2 ( N2 100毫升分钟±1 ,氨氮200毫升分钟±1) 。
之后,使温度上升,并保持在
1200 C的约1.2小时。然后将温度进一步提高。
大石墨坩埚中的英国国民(海外)前体的位置
感器的调整,以确保BNO前驱体的混合物加热
C. 1600 ?的气氛是N2/NH3的流动具有相同的速度,如
的第一阶段。经过大约一个小时的同轴管状单结晶
立方氮化铝纳米管与一个BN涂层。该产品
上的X-射线衍射仪( 2200HF RINT )和检查
高分辨透射场致发射电子显微镜
( HRTEM ) ( JEM - 3000F )连接到的X射线能量色散规范
谱仪( EDS ) 。
温馨提示:内容为网友见解,仅供参考
第1个回答  2013-11-16
退火800 C在氮气氛,一个黄色的
粉是取得b n o中间产品,这可能
有公式B4N3O2H[21]。黄色粉末进一步cal -
在600 C在空气cined 2 h给白b n o产品包含
更多的氧气。这个是准备b n o前体被放进一个大
石墨坩埚。一个小BN坩埚包含三氯化铝被放置
以上这坩埚。这些组件被封闭在一个石墨前缀
受体和加热在一个感应炉。炉被疏散
并引入一个纯Ar气体流量。炉加热步骤
一步的。当温度是950摄氏度气体流动
切换到纯NH3 / N2(N2 100毫升分钟±1、NH3 200毫升min±1)。
之后,温度增加,维持在,
1200 C约1.2 h。温度然后进一步增加。
这个职位的大石墨坩埚含有b n o precur -
法师是调整以确保b n o前体被加热在
1600 c .大气是N2 / NH3流相同的速度
第一阶段。大约一小时后同轴管单结晶
与十亿年cubic-AlN纳米管涂层了。产品
考一个x射线衍射仪(无线电侦察2200高频)和一个吗
高分辨率透射场致发射电子显微镜
(HRTEM)(jem - 3000 f)附加到一个x射线能量色散规范-
trometer(译)。

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