pla关键词检索结果

如何申请 RAP:分步指南

How to Apply for RAP: A Step-by-Step Guide

还款援助计划 (RAP) 现已开放申请,您现在就可以注册。我们将解释如何操作并让您知道哪些问题可能会让您陷入困境。请注意,这些步骤的编号并不具有任何正式意义。这只是一个有用的方法来打破你将要做的事情......如何申请 RAP:分步指南首先出现在 Student Loan Planner 上。

白尾矛头鱼 (Bothrops leucurus) 的粗毒液及其两种酶成分在体外对神经胶质瘤细胞具有选择性细胞毒性

The Crude Venom of the Whitetail Lancehead, Bothrops leucurus, and Two of Its Enzymatic Components Are Selectively Cytotoxic for Glioma Cells In Vitro

白尾矛头 (Bothrops leucurus) 的粗毒液及其两种酶成分在体外对神经胶质瘤细胞具有选择性细胞毒性摘要恶性神经胶质瘤是最常见的原发性脑肿瘤,而多形性胶质母细胞瘤 (GBM) 仍然是其最具侵袭性且无法治愈的形式。蛇毒含有生物活性化合物,对多种癌症具有良好的抗肿瘤特性。本研究研究了白鳢粗毒液对大鼠和人神经胶质瘤细胞的体外抗肿瘤活性,并鉴定了两种活性毒液酶。粗毒液表现出浓度依赖性细胞毒性,72小时后,大鼠神经胶质瘤细胞的EC50值为2.66 μg/mL,人U251神经胶质瘤细胞的EC50值为3.60 μg/mL。在 3.0 μg/mL 浓度下,毒液会诱导神经胶质瘤细胞坏死,而星形胶质细

2026年如何在手机上侧载Android应用——以及背后的变化

How to sideload Android apps on your phone in 2026 - and what's behind the changes

如果你喜欢在Google Play商店之外安装Android应用,你应注意该流程已更改,现在包含一个等待期。

你可能有可兑换成礼品卡的Google Play积分——如何查看

You probably have Google Play points you can turn into gift cards - how to check

我有七年的积分自己都不知道,现在换到了一张星巴克卡。

你对世界的经济怪癖了解多少?参加Planet Money暑期学校测验

How well do you know the world's economic quirks? Take the Planet Money Summer School quiz

每个国家都讲述着不同的经济故事。现在是时候测试你对我们在世界巡游中收集的大想法的了解了。八道题决定你能否获得暑期学校文凭。

海军曾估算660亿美元用于航母载F-22‘海猛禽’战斗机。取而代之的是以33亿美元开发了F/A-18超级大黄蜂

The Navy Estimated $66,100,000,000 for an Aircraft Carrier-based F-22 ‘Sea Raptor’ Fighter. It Developed the F/A-18 Super Hornet for $3,300,000,000 Instead

F-22 Raptor Fighter U.S. Air Force.

12,000辆M48巴顿坦克被建造:原版M48使用汽油,仅能行驶135英里。柴油版续航里程翻倍以上

12,000 M48 Patton Tanks Were Built: The Original M48 Ran on Gasoline and Could Only Go 135 Miles. The Diesel Version More Than Doubled It.

M48 Patton Tank早期的M48装备

中国歼-16战斗机首次与法国达索阵风战斗机正面交锋,发生在埃及上空

A Chinese J-16 Fighter Went Head-to-Head With a French Dassault Rafale for the First Time in History, and It Happened Over Egypt

Dassault Rafale Overhead

空军需要300亿美元的新型F-22猛禽轰炸机版本FB-22,速度可达1.8马赫

The Air Force Needed $30,000,000,000 for a New Type of F-22 Raptor as a Bomber That Would Fly Mach 1.8 Named the FB-22

FB-22 Stealth Bomber Artist Rendering

82,000吨对8,957吨:当美国海军航母以25节速度撞击巡洋舰时发生了什么,核武器可能引爆

82,000 Tons Against 8,957: What Happened When a US Navy Aircraft Carrier Hit a Cruiser at 25 Knots and Nuclear Weapons Could Have Detonated

USS John F. Kennedy在

美国陆军依赖加拿大生产155毫米炮弹

The US Army Is Dependent on Canada for 155mm Artillery Shell Production

155mm like the ones used in Ukraine. Image Credit: Creative Commons.

7万磅弹药轰炸伊朗:美国空军B-52H同温层堡垒轰炸机早在1961年服役,至今仍在飞行的魔力

70,000 Pounds of Ordinance and It Bombed Iran: The US Air Force B-52H Stratofortress Bomber Went Into Service All the Way Back in 1961 and There Is a Certain Magic That Keeps It Still Flying Today

B-52 Bomber最简单的原因是

中国歼-36战斗机设计者称AI编造了虚假战斗机规格:长度、载荷、速度、作战半径

China’s J-36 Fighter Designers Say AI Invents Fake Fighter Jet Specifications: Length, Payload, Speed, Combat Radius

J-36 Fighter X Screenshot

2,077年后,尤利乌斯·凯撒关于痛苦的23个词仍然是关于士兵的最真实文字

2,077 Years Later, Julius Caesar’s 23 Words About Pain Are Still the Truest Thing Ever Written About Soldiers

Julius Caesar PBS Series Promo Handout

F-22猛禽隐形战斗机永远不会加入以色列空军:这意味着新型3亿美元的F-47 NGAD隐形战斗机也可能不会

The F-22 Raptor Stealth Fighter Won’t Ever Join the Israeli Air Force: That Means the New $300,000,000 F-47 NGAD Stealth Fighter Might Not Either

NGAD artist concept from Northrop Grumman.

81年后,乔治·巴顿在凡尔登的48小时承诺仍是美国陆军将军在简报室中说过的最胆大妄为的话

81 Years Later, George Patton’s 48-Hour Promise at Verdun Is Still the Most Audacious Thing Any US Army General Said in a Briefing Room

General George Patton这位

价值3.5亿美元的美国空军F-22猛禽无所不能:2.25马赫速度,能击败地球上任何战斗机如歼-20或苏-57,但有一个永远无法解决的问题

The $350,000,000 US Air Force F-22 Raptor Can Do It All: Mach 2.25 Speeds, Can Beat Any Fighter on Earth Like the J-20 or Su-57 But Has 1 Problem That Can’t Ever Be Fixed

An F-22 Raptor releases flares during an aerial demonstration at Naval Air Station Oceana, Virginia, Sept. 21, 2025. The display highlights the aircraft’s defensive systems and advanced capabilities, demonstrating both its agility and readiness i

“无法解决的问题”:美国空军F-22隐形战斗机作战半径仅410英里,中国和俄罗斯乐于利用

‘Unfixable Problem’: The US Air Force F-22 Stealth Fighter Has a Combat Range of Only 410 Miles That China and Russia Would Love to Exploit

F-22坦率地说,美利坚合众国