In what direction should the pilot head in order to travel due north?

They headed due north.

他们朝正北方向行进了。

Activity coefficient Number expressing the ratio of a substance's chemical activity to its molar concentration.

活度系数:化学术语,活度系数指物质的化学活度对其浓度之比.

A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied.

介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法.

The main catalysts used are PTC, strong acidic ion-exchanging resin, solid super acid, etc.

主要的催化剂有季铵盐 、 强酸性离子交换树脂 、 固体超强酸等.

Solid super acid had advantages in using industry.

认为固体超强酸具有工业化优势.

His total heat output was measured and compared with the calorific content the food he ate.

量出他的总热量输出,并与他吃进去的食物的含热量作了比较.

Determine total heat removing volume of the system.

确定系统的总排热量.

Food additive -- Vitamin D 2 ( Ergocalciferol )

GB14755 -1993 食品添加剂维生素D2 ( 麦角钙化醇 )

JBL, JBT, JB-TL Specific forms parallel groove clamp is suitable for unendure force splicing and branch on the aerial wire, being used with insulation cover. It's action is insulation protection.

TL系列异型并沟线夹适用于架空电力线路中导线的非承受力接续与分支，与绝缘罩配套使用起防护绝缘作用。

JBL said that after all of the beatings Rey had endured, he didn't look so well.

歌说，在所有的殴打雷伊已经忍受了，他没看过这么好。

The Burning Loss Analysis of the Insulating Parallel Groove Clamps of JBL series& Measures for Improvement

JBL系列绝缘并沟线夹烧损分析及改进措施

The grocer of whom she bought these apples gave her a baker's dozen.

杂货店老板卖给予一打苹果,另外还多加了一个.

There're a baker's dozen of eggs.

有十三个鸡蛋.

Although we had ordered only twelve, the shopkeeper gave us a baker's dozen.

我们只订购十二个, 但店老板却给了我们十三个.

He bought a baker's dozen of biscuits.

他买了13块饼干.

When he saw us Tom jumped up and took half a dozen steps in our direction.

汤姆一看见我们就跳了起来,朝我们的方向迈了五六步.

I've had half a dozen unimportant affairs.

我琐事缠身.

Brazilian meatpacker JBS SA JBSS3.BR-0.43% and Thailand's Charoen Pokphand Foods PCL, CPF.TH-2.61% known as CP Foods, have also looked at Smithfield, according to a statement by CP Foods last week and people close to JBS.

巴西肉类加工企业JBS SA和泰国的Charoen Pokphand Foods PCL（即卜蜂食品（CP Foods））也对Smithfield有兴趣。这一消息来自卜蜂食品上周发布的一份声明以及接近JBS的人士。

Shuanghui's side didn't learn that CP Foods and JBS were interested until about a week before Shuanghui signed its deal, said a person familiar with the matter.

据知情人士透露，大约在签署这宗交易的一周前双汇才得知卜蜂食品和JBS也有兴趣。

Others are private firms, like Gerdau, a steelmaker, or JBS, soon to be the world's biggest meat producer.

其他则是私有公司，像钢铁制造商盖尔道（Gerdau），或即将成为世界上最大的肉制品生产商JBS。