查询词典 approximate partial derivative

Here we show that a TH derivative, triiodothyroacetic acid, induces metamorphosis in the cephalochordate amphioxus.

科学家通过研究发现，甲状腺激素的衍生物，一种叫做TRIAC的物质，在头索动物文昌鱼中诱导了变态。

Three analysis methods were used in this study to analyze the content of amygdalin , and the effective components in bitter apricot kernel, namely, HPLC method, UV-Spectrophotometric method and Second-derivative spectra method.

苦杏仁的有效成分苦杏仁苷经提取、处理后，用HPLC法、紫外分光光度法、二阶导数光谱法测定其含量。

We show that a 1-D signal and its derivative at different scales can be represented by one analytic function defined on the unit disc in the complex plane.

我们证明一个一维信号及其微分在所有尺度下可以用复平面上的单位圆上的解析函数来表示。

NS equation ; rotation ; rolling moment ; roll angular velocity ; roll-damping moment coefficient derivative

NS方程；旋转；滚转力矩；滚转角速度；滚转阻尼力矩系数导数

Mean angular acceleration and the increment of angular coordinate as well as the first and second derivative of angular with respect to time is not only the physical quantities which often being used but also important physical quantities.

无限小角位移、有限大角位移、角速度、平均角速度、角加速度、平均角加速度和角坐标的增量以及角坐标对时间的一阶和二阶导数不仅是物理学中常用的物理量，而且也是很重要的物理概念。

Toosendanin, a triterpenoid derivative isolated from the bark of Melia toosendan Sieb et Zucc, has been as an anthelmintic vermifuge against ascaris for more than 50 years in China.

川楝素（Toosendanin，TSN，〓，FW 574）是一种从楝属植物川楝的根皮中提取的化合物，是传统中药中用于驱蛔的川楝的有效成分。

Toosendanin (TSN, C30H38O11, FW 574), a triterpenoid derivative isolated from the bark of Melia toosendan Sieb et Zucc, has been used as an anthelmintic vermifuge against ascaris in China.

川楝素Toosendanin， TSN， C_(30H_(38)O_(11)， FW 574是一种从楝属植物韧皮部分离提取出来的含呋喃环的四环三萜类化合物，是传统驱蛔中药的有效成分。

Toosendanin, a triterpenoid derivative isolated from the bark of Melia toosendan Sieb et Zucc, has been as an anthelmintic vermifu...

川楝素（Toosendanin，TSN，〓，FW 574）是一种从楝属植物川楝的根皮中提取的化合物，是传统中药中用于驱蛔的川楝的有效成分。

Toosendanin (〓, FW 574, TSN), a triterpenoid derivative, is an active ingredient extracted from the bark of Melia toosendan Seib et Zucc which is used in Chinese traditional medicine as an anthelmintic vermifuge against ascarids. It was demonstrated to be a selective presynaptic blocker in neuromuscular junction and central synapses.

从驱蛔中药楝属植物根皮中提取的三萜化合物川楝素（toosendanin，〓，FW 574，TSN），是一种选择性影响神经递质释放，阻遏神经肌肉和中枢突触传递。。。

"According to the fundamental theorem of calculus, a definite integral can be calculated by using its antiderivative (a function whose rate of change, or derivative, equals the function being integrated)."

根据微积分基本原理，利用函数的反导数可以算出定积分。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48